4.5.5 M800 1-Channel: TB2 – pH/ORP Analog Sensors _______________________________________________ 36
4.5.6 M800 1-Channel: TB2 – Oxygen Analog Sensors ________________________________________________ 37
4.5.7 M800 2- and 4-Channel: TB2 and TB4 – Terminal Assignment for Optical Oxygen, CO
d4e and 5000TOCi ISM Sensors ____________________________________________________________________ 38
4.5.8 M800 2- and 4-Channel: TB2 and TB4 – Terminal Assignment for pH, Amp. Oxygen, Cond 4e, CO
Sensors 39
4.5.9 M800 1-Channel: TB3 – Terminal Assignment for Optical Oxygen, CO
hi, UniCond2e and UniCond4e ISM Sen-
2
sors 40
4.5.10 M800 1-Channel: TB3 – Terminal Assignment for pH and Turbidity ISM Sensors ________________________ 41
4.5.11 M800 2- and 4-Channel Water:
TB3 – Terminal Assignment for Flow Sensors ___________________________________________________________ 41
4.6 Connection of Flow Sensor _________________________________________________________________________ 42
13.1 Cond (resistive) Error messages /
Warning- and Alarm list for analog sensors _________________________________________________________________131
13.2 Cond (resistive) Error messages /
Warning- and Alarm list for ISM sensors ____________________________________________________________________ 132
13.3 pH Error messages / Warning- and Alarm list __________________________________________________________132
Statement of Intended Use – The M800 Multi-parameter transmitter is an online process instrument for measuring various properties of fluids and gases. These include conductivity, dissolved
oxygen, O2 gas, dissolved ozone, dissolved carbon dioxide, pH / ORP, flow and turbidity. The
M800 is available in different versions. The version indicates the amount of measurement parameters which can be covered and the kind of parameter. The version are indicated through
there part numbers on the label of the transmitter.
The M800 version with hygienic, polished stainless steel housing allows application in the field
of biotechnology, food processing and in the pharmaceutical industry.
M800 parameter fit guide for 2-channel and 4-channel version
These versions are compatible with the following (digital) ISM and flow sensors.
1) Process models are provided with PC housing or stainless steel housing
2) INGOLD sensors
A colored touch screen conveys measuring data and setup information. The menu structure allows the operator to modify all operational parameters by using the touch screen. A menu-lockout feature, with password protection, is available to prevent the unauthorized use of the meter.
The M800 Multi-parameter transmitter can be configured to use up to eight analog and / or up to
eight relay outputs for process control.
TheM800Multi-parametertransmitterisequippedwithaUSBcommunicationinterface.Thisinterface provides up- and download capabilities of the transmitter configuration via a Personal
Computer (PC).
This description corresponds to the firmware release, version 1.2. Changes are taking place
constantly, without prior notification.
– The M800 Transmitter must only be operated under the specified operating conditions
(see chapter 15 “Specifications”).
– Repair of the M800 Transmitter must be performed by authorized, trained personnel only.
– With the exception of routine maintenance, cleaning procedures, as described in this manu-
al, the M800 Transmitter must not be tampered with or altered in
any manner.
– Mettler-Toledo accepts no responsibility for damage caused by unauthorized modifications
to the transmitter.
– Follow all warnings, cautions, and instructions indicated on and supplied with this product.
– Installequipmentasspecifiedinthisinstructionmanual.Followappropriatelocalandna-
tional codes.
– Protective covers must be in place at all times during normal operation.
– Ifthisequipmentisusedinamannernotspecifiedbythemanufacturer,theprotectionpro-
NOTE: This is a 4-wire-product with an active 4–20 mA analog output.
h
theM800Transmitterrelayswillalwaysde-energizeonlossofpower,equivalenttonormal state, regardless of relay state setting for powered operation. Configure any control
system using these relays with fail-safe logic accordingly.
Because process and safety conditions may depend on consistent operation of this transmitter, provide appropriate means to maintain operation during sensor cleaning, replacement, or sensor or instrument calibration.
Please do not supply power to terminal 3 to 10 of TB1 and terminal 1 to 8 of TB3.
2.2 Correct disposal of the unit
When the transmitter is finally removed from service, observe all local environmental regulations
for proper disposal.
– in 1/2 DIN case size in polycarbonate
– in stainless steel.
The M800 1/2 DIN polycarbonate versions are suitable for panel-, wall- or pipe mount. The
M800 stainless steel versions are suitable for wall- or pipe mount.
3.1 Overview
3.1.1 1-Channel Version
1
METTLER TOLEDO
M800
TB1
66
5
TB2
2
7
RECEIVER
TB3
TB4
EMITTER
TB5
3
4
Fig. 1: Overview 1-channel version
1 Housing, polycarbonate or stainless steel
2 VGA screen
3 Power supply terminals
4 Relay output terminals
5 Analog output / Digital input terminals
6 Sensor input terminals
7 Connection Turbidity sensor (InPro8000 Series)
After starting the M800, the following Start Screen (logout screen) is shown automatically. To re-
turn form the Menu Screen to the Start Screen press s. The M800 will return automatically after
240 seconds from the Menu Screen or any configuration screen to the Start Screen if the user
has not pressed the touch screen.
3.2.2 Activation Menu Screen
While the M800 shows the Start Screen (logout screen) touch the display to activate the Menu
Screen. To return to the Menu Screen from other menus press H.
Any single measurement may be displayed as a trend measurement over time. Measurement
values will be indicated by a value on the Y-axis and time elapsed on the X-axis of the graph
displayed. An actual measurement for the selected value will also be displayed numerically
above the graphic trend display. The measurement value is refreshed once per second.
Graphic trending will only display the data within maximum/minimum range. Out of range values or invalid values will not be displayed. The Y-axis will display the maximum value unit with
its range; X-axis unit uses “mins” for minutes for measurements less than one hour and “hrs” for
one day. 4 scales for X/Y-axis. The maximum value on Y-axis is one decimal place.
3.3.1 Activation Trend Display Screen
While the M800 displays the Menu Screen, touch any measurement value line of the display
screen twice (1-chan, 2-chan, 4-meas, 8-meas) to activate the trend display for that measurement.
If a sensor is disconnected/connected a pop-up window come up; after closing the window, it
will go back to the Menu Screen.
Red/yellow bar on top line will display for any message occurring during trending. ‘H’, ‘P’,”AB”
will display when this channel is in hold or process.
For setting configurations, touch any area of the graphic trend display to go to the pop-up window of this measurement parameter. Settings are at the default values. However, these settings
may be changed when options are available, as needed.
Time: Option button. For graphic display time (X-axis)
1-h (default value)
1-day
NOTE: 1 h means: 1 meas storage/15 seconds, totally 240 measurements for 1h. 1 day
When “Default” modes are set for the maximum or minimum value, this indicates the full measurement range for this unit. A Max or Min button is not displayed. If setting is selectable, the
user can set maximum and minimum settings manually.
Max: Edit button.
Maximum value of this unit on Y-axis. xxxxxx, floating decimal point.
Min: Edit button.
Minimum value of this unit on Y-axis. xxxxxx, floating decimal point.
Max Value > Min Value
NOTE: Settings for Y-and Y-axis and the corresponding measurement values are stored the trans-
h
mitters memory. A power down returns to default settings.
3.3.3 Deactivation Trend Display Screen
Press H in activated graphic trend screen to return to Menu Screen.
NOTE: If a sensor is disconnected/connected a pop-up window come up; after closing the win-
The M800 displays a keypad for modifying values. Press the e button and the transmitter will
store the value. Press the ESC button to exit the keypad without changing data.
NOTE: For some values, the units can be modified. In this case the keypad shows a button with
h
NOTE: For some entries letters and/or numbers can be used. In this case the keypad shows a
h
a U. To select another unit for the entered value on the keypad press the U button. To return
again press the 0–9 button.
button ‘A,a,0’. Press this button to change between capital letters, small letters and numbers on
the keypad.
pop up window. Press the according field to select the value. The pop-up window will be closed
and the selection will be stored.
3.4.5 ”Save changes” Dialog
If the M800 brings up the ”Save changes” dialog there are the following options. No will discard
the entered values, Yes will save changes made and Cancel will bring you back to continue
configuring.
The M800 Transmitter allows a security lock-out of various menus. If the security lock-out
feature of the transmitter has been enabled, a security password must be entered to allow access to the menu. See chapter 8.15 “User Management”.
3.4.7 Display
NOTE: In the event of an alarm or other error conditions the M800 Transmitter will display a
h
NOTE: During calibrations, clean, Digital In with Analog Output / Relay / USB in HOLD state, a
h
flashing bar graph on the display. This bar graph will remain until the condition that caused it
has been cleared (see chapter 13.5 “Warning- and Alarm Indication”).
flashing ”H” (HOLD) will appear in the upper right corner of the display for the corresponding
channel. This symbol will remain for 20 sec., after end of calibration. This symbol will remain
for 20 seconds until after the calibration or clean is completed. This symbol will also disappear
when Digital In is deactivated.
4.2.2 Mounting Procedure – 1/2 DIN Version (PC housing)
1/2 DIN versions transmitters are designed for the following mounting versions: panal mount,
wall mount or pipe mount. For wall mount the integral rear cover is used.
Optional hardware accessories are available that allow for panel- or pipe-mount.
Refer to section „14.2 Accessories and Spare Parts“.
Assembly
Fig. 4: Assembly – 1/2 DIN version (PC housing)
1 1 piece M25 x 1.5 cable gland
2 4 pieces M20 x 1.5 cable glands
3 4 pieces screws
General:
– Orient the transmitter so that the cable grips face downward.
– Wiring routed through the cable grips shall be suitable for use in wet locations.
– In order to provide IP66 enclosure ratings, all cable glands must be in place. Each cable
gland must be filled using a UL rated cable marked “wet”, “wet location” or “outdoor”, measuring0.36”(6.6mm)orlargerdiameter,employedwithinthespecifiedstrainreliefclamping range. Do not use metal conduit.
4.2.3 1/2 DIN Version (PC housing) – Panel Mounting
To insure a good seal, the panel or door must be flat and have a smooth finish. Textured or
rough surfaces are not recommended and may limit the effectiveness of the gasket seal provided.
1. Make cutout in panel. For dimensions refer to 4.2.1 “Dimensions 1/2 DIN Version (PC
housing)”.
– Be sure surface surrounding cutout is clean, smooth and free of burrs.
2. Slide face gasket around transmitter from the back of the unit.
3. Place transmitter into cutout hole. Be sure there are no gaps between the transmitter
and panel surface.
4. Place the two mounting brackets on either side of the transmitter as shown.
5. While holding transmitter firmly into the cutout hole, push the mounting brackets toward
the backside of panel.
6. Once secure, use a screwdriver to tighten the brackets against the panel. In order to pro-
vide IP66 environmental enclosure rating, the two clamps provided shall be securely tight-
1. Mount wall mounting kit to the housing. Do not exceed maximum screw-in depth.
2. Mount wall mounting kit with the housing to the wall.
Attach to wall using appropriate mounting hardware for wall surface. Be sure it is level and
securely fastened and the installation adheres to any and all clearance dimensions re-
4.3.2 Mounting Procedure – Stainless Steel Version
Stainless steel versions transmitters are designed for the following mounting versions: wall
mount or pipe mount. For wall mount the integral rear cover is used.
Optional hardware accessories are available that allow for pipe-mount.
Refer to section „14.2 Accessories and Spare Parts“.
Assembly
Fig. 9: Assembly – stainless steel version
1 1 piece M25 x 1.5 cable gland
2 4 pieces M20 x 1.5 cable glands
3 4 pieces screws
General:
– Orient the transmitter so that the cable grips face downward.
– Wiring routed through the cable grips shall be suitable for use in wet locations.
– In order to provide IP66 enclosure ratings, all cable glands must be in place. In order to pro-
vide IP66 enclosure ratings, all cable glands must be in place. Each cable gland must be
filled using a UL rated cable marked “wet”, “wet location” or “outdoor”, measuring 0.36”
1. Mount wall mounting kit to the housing. Do not exceed maximum screw-in depth.
2. Mount wall mounting kit with the housing to the wall.
Attach to wall using appropriate mounting hardware for wall surface. Be sure it is level and
securely fastened and the installation adheres to any and all clearance dimensions re-
DANGER! Mortal danger by electric shock:Poweroffinstrumentduringelectricalconnection.
a
NOTE: This is a 4-wire-product with an active 4–20 mA analog output.
h
Do not supply power to the analog output terminals (Aout). These are terminals 3 to 10
of TB1 and additionally, for 2-channel and 4-channel version terminals 1 to 8 of TB3.
Power connections: N (–) for Neutral and L(+) for Line for 20 to 30 VDC. N for Neutral and L for
Linefor100to240VAC.
For stainless steel version: Connect protective earth to the PE terminal according to Fig. 12 on
Page 31.
Terminal numberTB1TB2TB3TB4TB5
L (+)
N (–)
Ground
1DI1+1-WireAI1+Relay1_NC
2DI1–GND5VAI1-Relay1_COM
3Aout1+RS485BDI4+Relay2_NO
4Aout1–RS485ADI4–Relay2_COM
5Aout2+GND5VDI5+Relay3_NO
6Aout2–5VDI5–Relay3_COM
7Aout3+24VDI6+Relay4_NO
8Aout3–GND24VDI6–Relay4_COM
9Aout4+n. a.Relay5_NOn. a.
10Aout4–n. a.Relay5_COM n. a.
11n. a.n. a.Relay6_NOn. a.
12n. a.n. a.Relay6_COM n. a.
13n. a.n. a.Relay7_NOn. a.
14n. a.n. a.Relay7_COM n. a.
15n. a.n. a.Relay8_NCn. a.
16n. a.n. a.Relay8_COM n. a.
For analog
sensors sensorspecific.
For ISM sensors
not used.
TB2
TB1
RECEIVER
TB3
TB4
TB5
EMITTER
NO: normally open (contact open if un-actuated).
NC: normally closed (contact closed if un-actuated).
n.a. not available
NOTE: This is a 4-wire-product with an active 4–20 mA analog output.
Please do not supply power to terminal no. 3 to 10 of TB1.
Page 33
Transmitter M800 33
4.5.1.1 InPro8000 Series Turbidity Sensor
Use the two connections labeled EMITTER and RECEIVER for connecting METTLER TOLEDO
InPro8000sensorsonly.Patchcordsareavailableupto170m(558ft)inlength.Mismatching the two ends of a sensor cable is not possible. Only hand-screwed fixing of the two SMA
connectors of the sensor cable on the transmitter connectors is recommended.
CAUTION: Do not cut or shorten fiber optic cables. Cutting of fiber optic cables and assembly of
Power connections: N (–) for Neutral and L (+) for Line for 20 to 30 VDC. N for Neutral and L
forLinefor100to240VAC.
For stainless steel version: Connect protective earth to the PE terminal according to Fig. 12 on
Page 31.
Terminal
number
1DI1+DI2+Aout5+AI1+Relay1_NC
2DI1–DI2–Aout5–AI1-Relay1_COM
3Aout1+ 1-Wire_Ch1Aout6+DI4+Relay2_NO
4Aout1–GND5V_Ch1Aout6–DI4–Relay2_COM
5Aout2+ RS485B_Ch1Aout7+DI5+Relay3_NO
6Aout2–RS485A_Ch1Aout7–DI5–Relay3_COM
7Aout3+ GND5V_Ch1Aout8+DI6+Relay4_NO
8Aout3–5V_Ch1Aout8-DI6–Relay4_COM
9Aout4+24V_Ch2Ain_Ch3Relay5_NOn. a.
10Aout4–GND24V_Ch2 AJ_Ch3Relay5_COM n. a.
11n. a.1-Wire_Ch25V_Ch3Relay6_NOn. a.
12n. a.GND5V_Ch2GND5V_Ch3Relay6_COM n. a.
13n. a.RS485B_Ch2Bin_Ch4Relay7_NOn. a.
14n. a.RS485A_Ch2BJ_Ch4Relay7_COM n. a.
15n. a.GND5V_Ch25V_Ch4Relay8_NOn. a.
16n. a.5V_Ch2GND5V_Ch4Relay8_COM n. a.
TB1
TB2
(ISM Ch1,2)
TB3TB4 TB5TB6
L (+)
N (–)
Ground
Not installed
TB2 TB3
TB1
TB4
TB5
TB6
NO: normally open (contact open if un-actuated).
NC: normally closed (contact closed if un-actuated).
n.a. not available
NOTE: This is a 4-wire-product with an active 4–20 mA analog output.
h
Please do not supply power to terminal no. 3 to 10 of TB1 and 1 to 8 of TB3.
Power connections: N (–) for Neutral and L (+) for Line for 20 to 30 VDC. N for Neutral and L
forLinefor100to240VAC.
For stainless steel version: Connect protective earth to the PE terminal according to Fig. 12 on
Page 31.
Terminal
number
1DI1+DI2+Aout5+DI3+AI1+Relay1_NC
2DI1–DI2–Aout5–DI3–AI1-Relay1_COM
3Aout1+ 1-Wire_Ch1Aout6+1-Wire_Ch3DI4+Relay2_NO
4Aout1–GND5V_Ch1Aout6–GND5V_Ch3DI4–Relay2_COM
5Aout2+ RS485B_Ch1Aout7+RS485B_Ch3DI5+Relay3_NO
6Aout2–RS485A_Ch1Aout7–RS485A_Ch3DI5–Relay3_COM
7Aout3+ GND5V_Ch1Aout8+GND5V_Ch3DI6+Relay4_NO
8Aout3–5V_Ch1Aout8-5V_Ch3DI6–Relay4_COM
9Aout4+24V_Ch2Ain_Ch524V_Ch4Relay5_NOn. a.
10Aout4–GND24V_Ch2 AJ_Ch5GND24V_Ch4 Relay5_COM n. a.
11n. a.1-Wire_Ch25V_Ch51-Wire_Ch4Relay6_NOn. a.
12n. a.GND5V_Ch2GND5V_Ch5 GND5V_Ch4Relay6_COM n. a.
13n. a.RS485B_Ch2Bin_Ch6RS485B_Ch4Relay7_NOn. a.
14n. a.RS485A_Ch2BJ_Ch6RS485A_Ch4Relay7_COM n. a.
15n. a.GND5V_Ch25V_Ch6GND5V_Ch4Relay8_NCn. a.
16n. a.5V_Ch2GND5V_Ch6 5V_Ch4Relay8_COM n. a.
TB1
TB2
(ISM Ch1,2)
TB3
TB4
(ISM Ch3,4)
TB5TB6
L (+)
N (–)
Ground
TB2
TB3 TB4 TB5
TB1
TB6
NO: normally open (contact open if un-actuated).
NC: normally closed (contact closed if un-actuated).
n.a. not available
NOTE: This is a 4-wire-product with an active 4–20 mA analog output.
h
Please do not supply power to terminal no. 3 to 10 of TB1 and 1 to 8 of TB3.
Not used–––
Not used–––
Anoderedredred
Anode–
Reference–
1)
1)
1)
–
1)
–
–
blue
Not used–––
Not used–––
Guard–greygrey
Cathodetransparenttransparenttransparent
Shield (GND)green/yellowgreen/yellowgreen/yellow
Not used–––
NTC ret (GND)whitewhitewhite
Not used–––
NTCgreengreengreen
Not used–––
5 V output–––
1) Install jumper between 4 and 5 for InPro6800 and InPro6900.
sensors offered by METTLER TOLEDO Thornton for use with this transmitter. Please consult the
factory for assistance if attempting to wire sensors not offered by METTLER TOLEDO Thornton as
some sensors may not be compatible.
4.6.1 Flow Sensor Input Wiring Kit
This kit contains components that may be needed at input terminals to condition sensor signals.
Refer to the following sections or to the instruction manual for wiring details.
200-series and 4000-series sensors, GF Signet 2500-series sensors, Sanitary Turbine-Type
sensors, Fluidyne insertion type sensors and Racine Federated (Formerly Asahi/America) vortex-style sensors.
4.6.3 Flow sensor wiring for Compatible Sensors
The following sections provide wiring information to properly connect various compatible flow
sensors to the M800 Transmitter. When using the Configuration menu of the transmitter to setup
the flow sensor, the first prompt asks to select the TYPE of flow sensor being connected.
There are three choices as follows:
High: All flow sensors described in Section 4.4.4
Low: P515 Signet flow sensors only, described in section 4.4.5
Type 2: Asahi flow sensors, described in Section 4.4.6
The following wiring information is used when connecting (Burkert 8020 and 8030 type) inline
Hall effect 5VDC, flow sensors. THORNTON models 33901 thru 33935.
THORNTON 33901-33935
58 034 601 - 58 034 635
Pulse output
L+
L–
Burkert 8020, 8030
Hall-Effect Sensor
Type: high
0.33uF
10K
Extension cable not provided. Use 2-conductor twisted pair with shield, 22 AWG (Belden 8451
orequivalent),1,000ft(305m)maximumlength.
The following wiring information is used when connecting Badger (formerly Data Industrial
200-Series) forward-swept paddlewheel type flow sensors.
THORNTON models 33142 thru 33145 and 33159 thru 33162 and 33273.
TB 3
9 Ain_Ch5
10 AJ_Ch5
11 5V_Ch5
12 GND5V_Ch5
M800 transmitter
THORNTON 33142-33145
Red
Black
Shield
(formerly Data Industrial 200 Series)
Badger
Flow Sensors
Type: High
58 034 201 - 58 034 204
0.33uF
1K
TB 3
9 Ain_Ch5
10 AJ_Ch5
11 5V_Ch5
12 GND5V_Ch5
M800 transmitter
Extension cable provided with sensor. Use 2-conductor twisted pair with shield 20 AWG
The following wiring information is used when connecting (GF Signet 2500-Series) Hall Effect
paddlewheel type flow sensors. THORNTON models 33282, 33285, 33287, 33298 thru
33305.
THORNTON 33282, 33285, 33287, 33298 - 33305
58 034 227, 58 034 230, 58 034 232 - 58 034 240
TB 3
9 Ain_Ch5
10 AJ_Ch5
11 5V_Ch5
12 GND5V_Ch5
M800 transmitter
Signet 2507, 2536, 2540
Hall-Effect Sensor
Type: high
Red
Black
Shield
0.33uF
10K
25 ft (7.6 m) extension cable provided with sensor. Use 2-conductor with shield,
20 ft (6.1 m) extension cable provided with sensor. Use 3-conductor with shield,
20AWG(Belden9364orequivalent)toextendlengthto3000ft(915m)maximum.
The following wiring information is used when connecting Spirax Sarco/Emco flow (formerly
Fluidyne) insertion type flow sensors. THORNTON models 33358 thru 33375.
THORNTON 33358 - 33375
Spirax Sarco/Emco flow
(formerly Fluidyne)
Insertion Vortex Sensor
Type: High
58 034 285 - 58 034 302
(+)
(–)
Shield
0.33uF
1K
TB 3
9 Ain_Ch5
10 AJ_Ch5
11 5V_Ch5
12 GND5V_Ch5
M800 transmitter
Extension cable not provided. Use 2-conductor twisted pair with shield, 20 AWG (Belden 9320
orequivalent),2000ft(610m)maximumlength.
4.6.5 Wiringfor”LOW”typeowsensors
The following wiring information is used when connecting (GF Signet 515) type flow sensors.
THORNTON models 33189, 33193, 33195, 33196, and 33229.
Extension cable not provided. Use 2-conductor twisted pair with shield, 22 AWG (Belden 8451
orequivalent,200ft(61m)maximumlength.
4.6.6 Wiringfor”TYPE2”owsensors
The following wiring information is used when connecting Racine Federated (formerly Asahi/
America) vortex flow sensors. THORNTON models 33308 to 33335.
THORNTON 33308-33335
58 034 242 - 58 034 265
TB 3
9 Ain_Ch5
10 AJ_Ch5
11 5V_Ch5
12 GND5V_Ch5
M800 transmitter
Racine Federated
(formerly Asahi/America)
Vortex Sensor
Type: 2
Signal
(+)Power
(-)Ground
0.33uF
Extensioncablenotprovided.Use3-conductorwithshield,20AWG(Belden9364orequivalent), 1000 ft (305 m) maximum length.
After connecting the transmitter to power supply circuit, it will be active as soon as the circuit is
powered.
a
5.2 Placing transmitter out of service
First disconnect the unit from the main power source, then disconnect all remaining electrical
connections. Remove the unit from the panel. Use the installations instruction in this manual as
reference for dis-assembling mounting hardware.
All transmitter settings stored in memory are non volatile.
NOTE: Please do not use Guided Setup menu after configuration of the transmitter, because
h
NOTE: If the guided setup for a flow sensor has been selected, the calibration factor of the sensor
h
some of the settings (i.e. analog output configuration) will be set to default values again.
See the following explanation to get more details about the different settings for the guided setup.
Select the desired Channel for the guided setup and in the same line the parameter.
If Auto is selected, M800 Transmitter automatically recognizes the type of sensor. The channel
can also be fixed to a certain measurement parameter, depending on the type of trans mitter. For
detailed information refer to chapter 8.1.1 “Channel Setup”.
Press the corresponding button to measurement M1 to configure the measurement. For detailed
information about the configuration options refer to chapter 8.1.1 “Channel Setup”.
from the sensor label or certificate can be entered. Therefore press the Cal Factor button. For sensor types High and Low slope and offset can be entered. In case of sensor Type 2 the slope followed by a table of K and F values can be entered.
Assign the corresponding output signal Aout’X’ to the measurement by pressing Yes. For detailed information about the configuration of the analog output signal refer to chapter 8.3 “Analog Outputs”.
Enter the MinValue, that corresponds with start point of the analog output range.
Enter the Max Value , that corresponds with end point of the analog output signal.
Additional settings can be done by navigating to the next page of the menu.
Assigning the corresponding Set Point’X’ to the measurement by pressing Yes. For detailed in-
formation about the configuration of the set point refer to chapter 8.4 “Set Points”.
Select the Type for the setpoint.
The type of the setpoint can be High, Low, Between, Outside or Off. An ”Outside” setpoint will
cause an alarm condition whenever the measurement goes above its high limit or below its low
limit. A ”Between” setpoint will cause an alarm condition to occur whenever the measurement is
between its high and low limits.
NOTE: If the type of set point is not Off additional settings can be done. See the following de-
h
scription.
According to the selected type of set point, value(s) according to the limit(s) can be entered.
Select the desired relay that will be activated if the defined conditions are reached through the
parameter SP Relay. If the chosen relay is used for another task, the transmitter shows a message on the screen that there is a Relay Conflict.
To escape the menu of the settings for Guided Setup press p. To return to the Menu Screen (see
chapter 3.2 “Display”) press H. The M800 will bring up the Save Changes dialog.
For the menu structure refer to chapter 3.4.1 “Menu Structure”.
PATH: H \ Cal
NOTE: During calibration, the outputs for the corresponding channel will default to be held at
h
NOTE: ISM sensors: “Adjust” detects deviations and readjusts the sensor. Calibration is per-
h
their current values until 20 seconds after the calibration menu is exited. A flashing H appears in
the upper right corner of the display while outputs are held. Refer to chapter 8.3 “Analog Outputs” and chapter 8.4 “Set Points” to change the HOLD output status.
formed and calculated values are stored in the sensor. “Calibrate” detects deviations and does
not readjust the sensor. Calibration is not performed, but calculated values are stored in the sensor.
Analog sensors: “SaveCal” performs calibration.The actual values can be viewed as long as the
sensor is connected.
7.1 Sensor Calibration
PATH: H \ Cal \ Calibrate Sensor
Select the desired channel (Chan) for calibration.
ter the calibration menu is exited. A flashing H appears in the upper right corner of the display
while outputs are held. Refer to chapter 8.3 “Analog Outputs” and chapter 8.4 “Set Points” to
change the HOLD output status.
See the following explanation to get more details about the calibration options and procedure.
7.2 Calibration of UniCond2e and UniCond4e Sensors
(ISM Sensors only)
7.2.1 Conductivity Calibration of UniCond2e and
UniCond4e Sensors
The M800 provides the ability to perform a one-point, two-point or process conductivity or resistivity calibration for 2e-sensors and 4e-sensors.
NOTE: When performing calibration on a conductivity sensor, results will vary depending on the
NOTE: For measuring tasks the temperature compensation for the application as defined
h
through the parameter settings for conductivity will be considered and not the temperature compensation selected through the calibration procedure (see also chapter 8.1.4.1 “Conductivity
Settings”; PATH: H \ CONFIG \ Meas \ Parameter Setting).
Enter the menu Calibrate Sensor (see chapter 7.1 “Sensor Calibration”; PATH: H \ Cal \ Calibrate
Sensor) and choose the desired channel for calibration.
The following menus can be called up:
Unit: Choose between the units for conductivity (S/cm) and resistivity (Ω-cm).
Method: Select the desired calibration procedure. Available are 1-point, 2-point or process
calibration.
Options: The desired compensation mode for the calibration process can be selected.
Choices are “None”, ”Standard”, “Light 84”, “Std 75 °C”, ”Linear 25°C”, ”Linear
20°C”, “Glycol.5”, “Glycol1”, “Cation”, “Alcohol” and “Ammonia”.
None does not make any compensation of the measured conductivity value. The uncompen-
sated value will be displayed and proceeded.
Standard compensation includes compensation for non-linear high purity effects as well as
conventional neutral salt impurities and conforms to ASTM standards D1125 and
D5391.
Light 84 compensation matches the high purity water research results of Dr. T.S. Light pub-
lished in 1984. Use only if your institution has standardized on that work.
Std 75 °C compensation is the Standard compensation algorithm referenced to 75 °C. This
compensation may be preferred when measuring Ultrapure Water at an elevated temperature (Resistivity of ultrapure water compensated to 75 °C is
2.4818 Mohm-cm.)
Linear 25 °C compensation adjusts the reading by a coefficient or factor expressed as %/°C
(deviation from 25 °C). Use only if the solution has a well-characterized linear temperature coefficient. The factory default setting is 2.0% /°C.
2.4818 Mohm-cm.)
Linear 20 °C compensation adjusts the reading by a coefficient or factor expressed as %/°C
(deviation from 20 °C). Use only if the solution has a well-characterized linear temperature coefficient. The factory default setting is 2.0% /°C.
Glycol.5 compensation matches the temperature characteristics of 50% ethylene glycol in
water. Compensated measurements using this solution may go above
18 Mohm-cm.
Glycol1 compensation matches the temperature characteristics of 100% ethylene glycol.
Compensated measurements may go well above 18 Mohm-cm.
Cation compensation is used in power industry applications measuring the sample after a
cation exchanger. It takes into account the effects of temperature on the dissociation of
pure water in the presence of acids.
Alcohol compensation provides for the temperature characteristics of a 75% solution of iso-
propyl alcohol in pure water. Compensated measurements using this solution may go
above 18 Mohm-cm.
Ammonia compensation is used in power industry applications for specific conductivity
measured on samples using ammonia and/or ETA (ethanolamine) water treatment. It
takes into account the effects of temperature on the dissociation of pure water in the
presence of these bases.
NOTE: If compensation mode ”Linear 25 °C” or ”Linear 20 °C” has been chosen, the coefficient
for the adjustment of the reading can be modified. In this case an additional input field will be
displayed.
The changes are valid until the calibration mode has been escaped. After the values defined in
the configuration menu are valid again.
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Transmitter M800 50
7.2.1.1 One-Point Calibration
Select calibration procedure 1-Point (see chapter 7.2.1 “Conductivity Calibration of UniCond2e
and UniCond4e Sensors”). With 2e-sensors or 4e-sensors a one-point calibration is always performed as a slope calibration. The following procedure shows the calibration with a 2e-sensor.
The calibration with a 4e-sensor works respectively.
Press the button Cal for starting calibration.
Place the electrode in the reference solution and press Next button.
The second value displayed on the screen is the value being measured by the transmitter and
sensor in units selected by the user.
Press the input field for Point1 to enter the value for the calibration point. The M800 displays a
keypad for modifying the value. Press the e button and the transmitter will take over the value.
NOTE: To select another unit for the entered value on the keypad press the U button. To return
h
again press the 0-9 button.
The screen shows the entered value for the reference solution (1st line) and the measured value
of the M800 (2nd line).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
The calibration values are stored in the calibration history and taken over (press button SaveCal)
or discarded (press button Cancel).
Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. In either
case you will see the message ”Please re-install sensor”. After pressing the Done button the
M800 returns to the calibration menu for the sensor.
Select calibration procedure 2-Point. With 4e-sensors a two-point calibration is always
performed as an offset and slope calibration. The following procedure shows the calibration with
a 4e-sensor.
Press the button Cal for starting calibration.
Place the electrode in the first reference solution and press Next button.
CAUTION: Rinse sensors with a high-purity water solution between calibration points to prevent
contamination of the reference solutions.
The second value displayed on the screen is the value being measured by the transmitter and
sensor in the units selected by the user.
Press the input field for Point1 to enter the calibration point. The M800 displays a keypad for
modifying the value. Press the e button to accept the value.
NOTE: To select another unit for the entered value on the keypad press the U button. To return
h
again press the 0-9 button.
The screen shows the entered value for the first reference solution (1st line) and the measured
value of the M800 (2nd line).
Press the Next button to go on with the calibration.
Place the electrode in the second reference solution and press Next button.
The second value displayed on the screen is the value being measured by the transmitter and
sensor in the units selected by the user.
Press the input field for Point2 to enter the calibration point. The M800 displays a keypad for
modifying the value. Press the e button to accept the value.
NOTE: To select another unit for the entered value on the keypad press the U button. To return
The screen shows the entered value for the second reference solution (1st line) and the mea-
sured value of the M800 (2nd line).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
The calibration values are stored in the calibration history. To save (press button SaveCal) or to
discard (press button Cancel).
Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. In either
case you will see the message ”Please re-install sensor”. After pressing the Done button the
M800 returns to the calibration menu for the sensor.
7.2.1.3 Process Calibration
Select calibration procedure Process (see chapter 7.2.1 “Conductivity Calibration of UniCond2e
and UniCond4e Sensors”). With 2e-sensors or 4e-sensors a process calibration is always performed as a slope calibration. The following procedure shows the calibration with a 2e-sensor.
The calibration with a 4e-sensor works respectively.
Press the button Cal for starting calibration.
Take a sample and press the e button to store the current measuring value. To show the ongo-
ing calibration process, P is blinking in the Start and Menu screen if the related channel is selected in the display.
After determining the conductivity value of the sample, press the calibration icon in the Menu
Screen (see chapter 3.4.2 “Operating Elements”) again.
Press the input field for Point1 and enter the conductivity value of the sample. Press the Next
button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
The calibration values are stored in the calibration history. To save (press button SaveCal) or to
discard (press button Cancel).
Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. After press-
ing the Done button the M800 returns to the Menu Screen.
7.2.2 Temperature Calibration of UniCond2e Sensors and
UniCond4e Sensors
The M800 provides the ability to perform a one-point or two-point calibration for the temperature
sensor of the UniCond2e and UniCond4e.
Enter the menu Calibrate Sensor (see chapter 7.1 “Sensor Calibration”; PATH: H \ Cal \ Calibrate
Sensor) and choose the desired channel for calibration.
The following menus can be called up:
Unit: Choose between the units °C and °F.
Method: Select the desired calibration procedure. Available are 1-point and 2-point calibration.
7.2.2.1 One-Point Calibration
Select calibration procedure 1-Point. With 2e-sensors or 4e-sensors a one-point temperature
calibration can be performed as a slope or offset calibration. The following procedure shows the
calibration with a 2e-sensor. The calibration with a 4e-sensor works respectively.
Press the right input field for the parameter Method. Choose Slope or Offset calibration through
Place the electrode in the reference solution and press Next button.
The second value displayed on the screen is the value being measured by the transmitter and
sensor.
Press the input field for Point1 to enter the value for the calibration point. The M800 displays a
keypad for modifying the value. Press the e button to accept the value.
The screen shows the entered value for the reference solution (1st line) and the measured value
of the M800 (2nd line).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
The calibration values are stored in the calibration history. To save (press button SaveCal) or to
discard (press button Cancel).
Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. In either
case you will see the message ”Please re-install sensor”. After pressing the Done button the
M800 returns to the calibration menu for the sensor.
7.2.2.2 Two-Point Calibration
Select calibration procedure 2-Point (see chapter 7.2.2 “Temperature Calibration of UniCond2e
Sensors and UniCond4e Sensors”). With 2e-sensors or 4e-sensor a two-point calibration is always performed as an offset and slope calibration. The following procedure shows the calibration with a 2e-sensor. The calibration with a 4e-sensor works respectively.
Press the button Cal for starting calibration.
Place the electrode in the first reference solution and press Next button.
The second value displayed on the screen is the value being measured by the transmitter and
sensor in the units selected by the user.
Press the input field for Point1 to enter the calibration point. The M800 displays a keypad for
modifying the value. Press the e button and to accept the value.
The screen shows the entered value for the first reference solution (1st line) and the measured
value of the M800 (2nd line).
Press the Next button to go on with the calibration.
Place the electrode in the second reference solution and press Next button.
The second value displayed on the screen is the value being measured by the transmitter and
sensor in the units selected by the user.
Press the input field for Point2 to enter the calibration point. The M800 displays a keypad for
modifying the value. Press the e button and to accept the value.
The screen shows the entered value for the second reference solution (1st line) and the mea-
sured value of the M800 (2nd line).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
The calibration values are stored in the calibration history. To save (press button SaveCal) or to
discard (press button Cancel).
Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. In either
case you will see the message ”Please re-install sensor”. After pressing the Done button the
M800 returns to the calibration menu for the sensor.
through the parameter settings for conductivity will be considered and not the temperature compensation selected through the calibration procedure (see also chapter 8.1.4.1 “Conductivity
Settings”).
The following menus can be called up:
Unit: Between the units for conductivity and resistivity can be chosen.
Method: Select the desired calibration procedure, 1-point, 2-point or process calibration.
Options: Select the desired temperature compensation mode for the calibration process.
NOTE: If compensation mode ”Linear 25 °C” or ”Linear 20 °C” has been chosen, the coefficient
h
for the adjustment of the reading can be modified.
The changes are valid until the calibration mode has been exited. After the values defined in the
configuration menu are valid again.
7.3.1 One-Point Calibration
With 2e-sensors or 4e-sensors a one-point calibration is always performed as a slope calibration. The following procedure shows the calibration with a 2e-sensor. The calibration with a 4esensor works respectively.
Press the button Cal for starting calibration.
Place the electrode in the reference solution and press Next button.
Enter the value for the calibration point (Point1).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
For ISM sensors press the Adjust button to perform the calibration and store the calculated values in the sensor. Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
For analog sensors press the SaveCal button to perform the calibration. The calculated values
can be viewed as long as the sensor is connected to the transmitter. Press the Cancel button to
terminate the calibration.
If ”Adjust”, ”Calibrate” or “SaveCal” is chosen, the message ”Calibration Saved Successfully!” is
displayed. In either case you will see the message ”Please re-install sensor”.
With 2e-sensors or 4e-sensors a two-point calibration is always performed as an offset and
slope calibration. The following procedure shows the calibration with a 2e-sensor. The calibration with a 4e-sensor works respectively.
Press the button Cal for starting calibration.
Place the electrode in the first reference solution and press Next button.
CAUTION: Rinse sensors with a high-purity water solution between calibration points to prevent
contamination of the reference solutions.
Enter the value for the first calibration point (Point1).
Press the Next button to go on with the calibration.
Place the electrode in the second reference solution and press Next button.
Enter the value for the second calibration point (Point2).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
For ISM sensors press the Adjust button to perform the calibration and store the calculated values in the sensor. Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
For analog sensors press the SaveCal button to perform the calibration. The calculated values
can be viewed as long as the sensor is connected to the transmitter. Press the Cancel button to
terminate the calibration.
If ”Adjust”, ”Calibrate” or “SaveCal” is chosen, the message ”Calibration Saved Successfully!” is
displayed. In either case you will see the message ”Please re-install sensor”.
7.3.3 Process Calibration
With 2e-sensors or 4e-sensors a process calibration is always performed as a slope calibration.
The following procedure shows the calibration with a 2e-sensor. The calibration with a 4e-sensor works respectively.
Press the button Cal for starting calibration.
Take a sample and press the e button to store the current measuring value. To show the ongoing calibration process, P is blinking in the Start and Menu screen if the related channel is selected in the display.
After determining the conductivity value of the sample, press the calibration icon in the Menu
Screen again.
Enter the conductivity value of the sample. Press the Next button to start the calculation of the
calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
For ISM sensors press the Adjust button to perform the calibration and store the calculated values in the sensor. Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
For analog sensors press the SaveCal button to perform the calibration. The calculated values
can be viewed as long as the sensor is connected to the transmitter. Press the Cancel button to
terminate the calibration.
If ”Adjust”, ”Calibrate” or “SaveCal” is chosen, the message ”Calibration Saved Successfully!” is
displayed. In either case you will see the message ”Please re-install sensor”.
7.4 pH Calibration
PATH: H \ Cal \ Calibrate Sensor
For pH sensors, the M800 Transmitter features one-point, two-point or process calibration with
9presetbuffersetsormanualbufferentry.Buffervaluesreferto25°C.Tocalibratetheinstrument with automatic buffer recognition, you need a standard pH buffer solution that matches one
of these values. Please select the correct buffer table before using automatic calibration (see
chapter 17 “Buffer tables”). The stability of the sensor signal during calibration can be checked
by the user or automatically by the transmitter (see chapter 8.1.4.2 “pH Settings”).
NOTE: For dual membrane pH electrodes (pH/pNa) only buffer Na+ 3.9M (see chapter 17.2.1
h
“Mettler-pH / pNa buffers (Na+ 3.9M)”) is available.
The following menus can be called up:
Unit: Select pH.
Method: Select the desired calibration procedure, 1-point, 2-point or process calibration.
Options: Thebufferusedforthecalibrationandtherequiredstabilityofthesensorsignaldur-
ing the calibration can be selected (see also chapter 8.1.4.2 “pH Settings”). The
changes are valid until the calibration mode has been escaped. After the values defined in the configuration menu are valid again.
7.4.1 One-Point Calibration
With pH sensors a one-point calibration is always performed as an offset calibration.
Press the button Cal for starting calibration.
Place the electrode in the buffer solution and press the Next button.
The display shows the buffer the transmitter has recognized Point 1 and the measured value.
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
The transmitter shows the value for the slope and the offset as the result of the calibration.
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Transmitter M800 59
For ISM sensors press the Adjust button to perform the calibration and store the calculated values in the sensor. Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
For analog sensors press the SaveCal button to perform the calibration. The calculated values
can be viewed as long as the sensor is connected to the transmitter. Press the Cancel button to
terminate the calibration.
If ”Adjust”, ”Calibrate” or “SaveCal” is chosen, the message ”Calibration Saved Successfully!” is
displayed. In either case you will see the message ”Please re-install sensor”.
7.4.2 Two-Point Calibration
With pH sensors a two-point calibration is always performed as calibration of slope and offset.
Press the Cal button to start calibration.
Place the electrode in buffer solution 1 and press Next button.
The display shows the buffer the transmitter has recognized Point 1 and the measured value.
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
h
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
h
to go on with the calibration.
The transmitter prompts you to place the electrode in the second buffer solution.
Press the Next button to proceed with the calibration.
The display shows the buffer the transmitter has recognized Point 2 and the measured value.
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
to go on with the calibration.
The transmitter shows the value for the slope and the offset as the result of the calibration.
For ISM sensors press the Adjust button to perform the calibration and store the calculated values in the sensor. Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
For analog sensors press the SaveCal button to perform the calibration. The calculated values
can be viewed as long as the sensor is connected to the transmitter. Press the Cancel button to
terminate the calibration.
If ”Adjust”, ”Calibrate” or “SaveCal” is chosen, the message ”Calibration Saved Successfully!” is
displayed. In either case you will see the message ”Please re-install sensor”.
With pH sensors a process calibration is always performed as an offset calibration.
Press the Cal button to start calibration.
Take a sample and press the e button to store the current measuring value. To show the ongoing calibration process, P is blinking in the Start and Menu Screen if the related channel is selected in the display.
After determining the pH value of the sample, press the calibration icon in the Menu Screen again.
Enter the pH value of the sample. Press the Next button to start the calculation of the calibration
results.
The display shows the value for the slope and the offset as the result of the calibration.
For ISM sensors press the Adjust button to perform the calibration and store the calculated values in the sensor. Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
For analog sensors press the SaveCal button to perform the calibration. The calculated values
can be viewed as long as the sensor is connected to the transmitter. Press the Cancel button to
terminate the calibration.
If ”Adjust”, ”Calibrate” or “SaveCal” is chosen, the message ”Calibration Saved Successfully!” is
displayed. In either case you will see the message ”Please re-install sensor”.
7.5 ORP Calibration of pH Sensors
PATH: H \ Cal \ Calibrate Sensor
For pH sensors with solution ground based on ISM technology the M800 Transmitter gives the
option to make, in addition to the pH calibration, an ORP calibration.
NOTE: In case of choosing ORP calibration the parameters defined for pH (see chapter 8.1.4.2
h
“pH Settings”) will not be considered. For pH sensors, the M800 Transmitter features one-point
calibration for ORP.
The following menus can be called up:
Unit: Select ORP through pressing the corresponding field.
Method: 1-Point calibration is displayed.
Press the button Cal for starting calibration.
Enter the value for calibration point 1 (Point1).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
For ISM sensors press the Adjust button to perform the calibration and store the calculated values in the sensor. Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
For analog sensors press the SaveCal button to perform the calibration. The calculated values
can be viewed as long as the sensor is connected to the transmitter. Press the Cancel button to
terminate the calibration.
If ”Adjust”, ”Calibrate” or “SaveCal” is chosen, the message ”Calibration Saved Successfully!” is
displayed. In either case you will see the message ”Please re-install sensor”.
7.6 Calibration of Amperometric Oxygen Sensors
PATH: H \ Cal \ Calibrate Sensor
The M800 provides the ability to perform a one-point or process calibration for amperometric
oxygen sensors.
NOTE: Before air calibration, for highest accuracy, enter the barometric pressure and relative hu-
h
midity, as described in chapter 8.1.4.3 “Settings for Oxygen Measurement Based on Amperometric Sensors”.
The following menus can be called up:
Unit: Between several units for DO and O2 gas can be chosen.
Method: Select the desired calibration procedure, 1-point or process calibration.
Options: In case the method 1-point has been chosen the calibration pressure, relative humidi-
ty and - for slope calibration - the stability mode for the sensor signal during the calibration can be selected. For the method Process the values for the process pressure,
calibration pressure and the parameter ProcCalPress can be modified. See also chapter 8.1.4.3 “Settings for Oxygen Measurement Based on Amperometric Sensors”. The
changes are valid until the calibration mode has been escaped. After the values defined in the configuration menu are valid again.
7.6.1 One-Point Calibration
A one-point calibration of oxygen sensors is always either a one-point slope (i.e. with air) or a
zero (offset) calibration. A one-point slope calibration is done in air and a one-point offset calibration is done at 0 ppb oxygen. A one-point zero dissolved oxygen calibration is available but
not normally recommended since zero oxygen is very hard to achieve. A zero-point calibration is
only recommended if high accuracy at low oxygen level (below 5% air) is needed.
Choose Slope or Offset calibration through pressing the corresponding field.
Press the button Cal for starting calibration.
NOTE: If the polarization voltage for the measuring mode and calibration mode is different, the
transmitter will wait 120 seconds before starting the calibration. In this case the transmitter will
also go after the calibration for 120 seconds to the HOLD Mode, before returning to the measuring mode again.
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Transmitter M800 62
Place the sensor in air or the calibration gas and press Next button
Enter the value for the calibration point (Point1).
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
h
NOTE: For an offset calibration the Auto mode is not available. If Auto mode has been chosen
h
to go on with the calibration.
and afterwards slope calibration has been changed to offset calibration, the transmitter will perform the calibration in Manual mode.
The transmitter shows the value for the slope and the offset as the result of the calibration.
For ISM sensors press the Adjust button to perform the calibration and store the calculated values in the sensor. Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
For analog sensors press the SaveCal button to perform the calibration. The calculated values
can be viewed as long as the sensor is connected to the transmitter. Press the Cancel button to
terminate the calibration.
If ”Adjust”, ”Calibrate” or “SaveCal” is chosen, the message ”Calibration Saved Successfully!” is
displayed. In either case you will see the message ”Please re-install sensor”.
7.6.2 Process Calibration
A process calibration of oxygen sensors is always either a slope or an offset calibration.
Choose Slope or Offset calibration through pressing the corresponding field.
Press the Cal button to start calibration.
Take a sample and press the e button to store the current measuring value. To show the ongoing calibration process, P is blinking in the Start and Menu screen if the related channel is selected in the display.
After determining the oxygen value of the sample, press the calibration icon in the Menu Screen
again.
Enter the oxygen value of the sample. Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
For ISM sensors press the Adjust button to perform the calibration and store the calculated values in the sensor. Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
For analog sensors press the SaveCal button to perform the calibration. The calculated values
can be viewed as long as the sensor is connected to the transmitter. Press the Cancel button to
terminate the calibration.
If ”Adjust”, ”Calibrate” or “SaveCal” is chosen, the message ”Calibration Saved Successfully!” is
displayed.
7.7 Calibration of Optical Oxygen Sensors (ISM Sensors
only)
PATH: H \ Cal \ Calibrate Sensor
Oxygen calibration for optical sensors can be performed as a two-point, process or, depending
on the sensor model connected to the transmitter, also as a one-point calibration.
NOTE: Before air calibration, for highest accuracy, enter the barometric pressure and relative hu-
h
midity, as described in chapter 8.1.4.4 “Settings for Oxygen Measurement Based on Optical
Sensors”.
The following menus can be called up:
Unit: Between several units can be chosen. The units are displayed during the calibration.
Method: Select the desired calibration procedure, 1-point, 2-point or process calibration.
Options: In case the method 1-point has been chosen the calibration pressure, relative humidi-
ty and the stability mode for the sensor signal during the calibration can be selected.
For the method Process the values for the process pressure, calibration pressure, the
parameter ProcCalPress and the mode of the process calibration can be modified.
See also chapter 8.1.4.4 “Settings for Oxygen Measurement Based on Optical Sensors”. The changes are valid until the calibration mode has been escaped. After the
values defined in the configuration menu are valid again.
7.7.1 One-Point Calibration
Typically a one-point calibration is done in air. Nevertheless other calibration gases and solutions are possible.
The calibration of an optical sensor is always a calibration of the phase of the fluorescence signal towards the internal reference. During a one-point calibration the phase in this point is measured and extrapolated over the measuring range.
Press the button Cal for starting calibration.
Place the sensor in air or the calibration gas and press Next button
Enter the value for the calibration point (Point1).
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
h
to go on with the calibration.
The transmitter shows the value for the phase of the sensor at 100% air (P100) and at 0% air
(P0) as the result of the calibration.
Press the Adjust button to perform the calibration and store the calculated values in the sensor.
Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration Saved Successfully!” is displayed.
In either case you will see the message ”Please re-install sensor”.
The calibration of an optical sensor is always a calibration of the phase of the fluorescence signal towards the internal reference. A two-point calibration is a combination of first a calibration
in air (100%) where a new phase P100 is measured and then a calibration in nitrogen (0%)
where a new phase P0 is measured. This calibration routine gives the most accurate calibration
curve over the whole measuring range.
Press the Cal button to start calibration.
Place the sensor in air or the calibration gas and press Next button
Enter the value for the first calibration point (Point1).
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
h
to go on with the calibration.
The transmitter prompts you to change the gas.
Press the Next button to proceed with the calibration.
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
h
to go on with the calibration.
The transmitter shows the value for the phase of the sensor at 100% air (P100) and at 0% air
(P0) as the result of the calibration.
Press the Adjust button to perform the calibration and store the calculated values in the sensor.
Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration Saved Successfully!” is displayed.
In either case you will see the message ”Please re-install sensor”.
7.7.3 Process Calibration
Press the Cal button to start calibration.
Take a sample and press the e button to store the current measuring value. To show the ongoing calibration process, P is blinking in the start and Menu Screen if the related channel is selected in the display.
After determining the oxygen value of the sample, press the calibration icon in the Menu Screen.
Enter oxygen value of the sample. Press the Next button to start the calculation of the calibration
results.
The display shows now the values for the phase of the sensor at 100% air (P100) and at 0%
(P0) air.
Press the Adjust button to perform the calibration and store the calculated values in the sensor.
Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
NOTE: If for process calibration Scaling has been chosen (see chapter 8.1.4.4 “Settings for Oxy-
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gen Measurement Based on Optical Sensors”) the calibration values are not stored in the calibration history.
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration Saved Successfully!” is displayed.
7.8 Calibration of Dissolved Carbon Dioxide Sensors
(ISM Sensors only)
For dissolved carbon dioxide (CO2) sensors, the M800 Transmitter features one-point,
two-point or process calibration. For the one-point or two-point calibration the solution with
pH = 7.00 and/or pH = 9.21 of the Mettler – 9 standard buffer can be used (see also chapter
8.1.4.5 “Dissolved Carbon Dioxide Settings”) or the buffer value can be entered manually.
The following menus can be called up:
Unit:Between several units for partial pressure, and dissolved carbon dioxide can be se-
lected.
Method: Select the desired calibration procedure, 1-point or process calibration.
Options: Thebufferusedforthecalibrationandtherequiredstabilityofthesensorsignaldur-
ing the calibration can be selected (see also chapter 8.1.4.5 “Dissolved Carbon Dioxide Settings”). The changes are valid until the calibration mode has been escaped.
After the values defined in the configuration menu are valid again.
7.8.1 One-Point Calibration
With CO2 sensors a one-point calibration is always performed as an offset calibration.
Press the button Cal for starting calibration.
Place the electrode in the buffer solution and press the Next button.
The display shows the buffer the transmitter has recognized Point 1 and the measured value.
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
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to go on with the calibration.
The transmitter shows the value for the slope and the offset as the result of the calibration.
Press the Adjust button to perform the calibration and store the calculated values in the sensor.
Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration Saved Successfully!” is displayed.
In either case you will get the message ”Please re-install sensor”.
With CO2 sensors a two-point calibration is always performed as calibration of slope and offset.
Press the Cal button to start calibration.
Place the electrode in buffer solution 1 and press Next button.
The display shows the buffer the transmitter has recognized Point 1 and the measured value.
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
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to go on with the calibration.
The transmitter prompts you to place the electrode in the second buffer solution.
Press the Next button to proceed with the calibration.
The display shows the buffer the transmitter has recognized Point 2 and the measured value.
The M800 checks the stability of the measuring signal and proceeds as soon as the signal is
sufficiently stable.
NOTE: If option Stability is set to Manual press ‘Next’ after the measuring signal is stable enough
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to go on with the calibration.
The transmitter shows the value for the slope and the offset as the result of the calibration.
Press the Adjust button to perform the calibration and store the calculated values in the sensor.
Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration Saved Successfully!” is displayed.
In either case you will see the message ”Please re-install sensor”.
7.8.3 Process Calibration
With CO2 sensors a process calibration is always performed as an offset calibration.
Press the Cal button to start calibration.
Take a sample and press the e button to store the current measuring value. To show the ongoing calibration process, P is blinking in the Start and Menu Screen if the related channel is selected in the display.
After determining the corresponding value of the sample, press the calibration icon in the Menu
Screen again.
Enter the value of the sample. Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
Press the Adjust button to perform the calibration and store the calculated values in the sensor.
Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration. If ”Adjust” or ”Calibrate” are chosen,
the message ”Calibration Saved Successfully!” is displayed.
7.9 Calibration of Thermal Conductivity CO2 (C02 high)
Sensors (ISM Sensors only)
PATH: H \ Cal \ Calibrate Sensor
The M800 provides the ability to perform a one-point calibration using a reference gas (CO2)
with a known carbon dioxide partial pressure value. It offers also to perform a process calibration based on a analyzed process sample.
NOTE: The sensor is designed to measure CO2 partial pressure or concentration values accurate-
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lyinliquidphaseonly!IngasphasethesensorwillonlyshowcorrectCO2 gas partial pressure
values in the 1-point calibration menu.
The following menus can be called up:
Unit: Between the units of CO2 pressure or concentration can be chosen.
Method/Options: Select the desired calibration procedure, 1-point or process calibration and
stability option (manual/auto).
In case the method 1-point has been chosen only the calibration pressure and the option stability mode for the sensor signal during the calibration can be selected (Sensor expects to be in a
calibration gas).
For the method Process only concentration values can be chosen as pressure or concentration
values(Sensorexpectstobeinliquids).
NOTE: With reference Gas (CO2)use1-pointcalibration.Withliquidsuseprocesscalibration.
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When changing MembraCap always first perform a 1-point gas calibration. The changes are
valid until the calibration mode has been exited. After the values defined in the Configuration
menu are valid again.
7.9.1 One-Point Calibration
With the thermal conductivity sensor a one-point calibration is always performed as a slope cal-
ibration. Press the button Cal for starting calibration.
Expose the TC-Sensor to a reference gas of a known CO2 concentration and press Next button.
Enter the value for the calibration point (Point1) in mbar or hPa.
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the baseline as the result of the calibration. Press
the Adjust button to perform the calibration and store the calculated values in the sensor. Press
the Calibrate button to store the calculated values in the sensor. Calibration is not performed.
Press the Cancel button to terminate the calibration.
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration Saved Successfully!” is displayed.
7.9.2 Process Calibration
With the thermal conductivity sensor a process calibration is always performed as a slope cali-
bration.
Choose process calibration and desired unit in the calibration menu.
Press the button Cal for starting calibration.
Take a sample and press the e button to store the current measuring value. To show the ongo-
ing calibration process, P is blinking in the Start and Menu screen if the related channel is selected on the display.
After determining the CO2 value of the sample, press the calibration icon in the Menu Screen
again. Enter the CO2 value of the sample.
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the baseline as the result of the calibration.
Press the Adjust button to perform the calibration and store the calculated values in the sensor.
Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration Saved Successfully!” is displayed.
7.10 Calibration of O3 Sensors (ISM Sensors only)
The M800 provides the ability to perform a 1-Point or process calibration for O3 sensors. Dis-
solvedOzonemustbeperformedquicklybecauseO3 decays rapidly into oxygen, especially at
warm temperatures.
Enter the menu Calibrate Sensor (see chapter 7.1 “Sensor Calibration”;
PATH: H\Cal\Calibrate Sensor) and choose the desired channel for calibration.
The following menus can be called up:
Unit: Several units for dissolved O3 can be chosen.
Method: Select the desired calibration procedure, 1-Point or process calibration.
Select the 1-Point calibration method. A one-point calibration of O3 sensors is always a zero
(offset) calibration
Press the button Cal for starting calibration.
Place the sensor in the calibration gas, such as air, and press the Next button.
The second value displayed on the screen is the value being measured by the transmitter and
sensor in the units selected by the user.
Press the input field for Point1 to enter the value for the calibration point. The M800 displays a
keypad for modifying the value. Press the e button to accept the value.
The screen shows the entered value for the reference solution (1st line) and the measured value
of the M800 (2nd line).
When the measuring signal is stable, press Next to continue with the calibration
The display shows the value for the slope and the offset as result of the calibration.
Press the Adjust button to perform the calibration and store the calculated values in the sensor.
Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
Use the Back button to go one step back in the calibration procedure
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration Saved Successfully!” is displayed.
In either case you will see the message ”Please re-install sensor”. After pressing the Done button
the M800 returns to the calibration menu.
Select the Process calibration method. A Process calibration of O3 sensors can be performed as
a slope or offset calibration.
Select the desired calibration Method.
Press Cal to start the calibration.
Take a sample and press the e button to store the current measuring value. “P” will blink in the
measurement screen indicating a Process calibration is active.
After determining the O3 value of the sample, press the calibration icon to complete the Process
calibration.
Press the input field for Point1 and enter the O3 value of the sample. Press the e button to ac-
cept the value.
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
Press the Adjust button to perform the calibration and store the calculated values in the sensor.
Press the Calibrate button to store the calculated values in the sensor. Calibration is not performed. Press the Cancel button to terminate the calibration.
Use the Back button to go one step back in the calibration procedure.
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration Saved Successfully!” is displayed.
After pressing the Done button the M800 returns to the Menu Screen
7.11 Calibration of Flow Sensors (ISM Sensors only)
The M800 Transmitter provides the ability to perform a 1-Point or 2-Point Sensor calibration for
flow, Edit of saved calibration constants, and Verify of the flow signal. The most common method of calibration for flow sensors is to enter the calibration constants appropriate for the sensor
using the Edit function. Some users may choose to perform an in-line calibration using a 1-point
an in-line calibration on a flow sensor, results will vary depending on the methods and calibration apparatus used to perform the calibration.
Enter the menu Calibrate Sensor (see chapter 7.1 “Sensor Calibration”; PATH: H\Cal\Calibrate
Sensor) and choose the desired channel for calibration.
NOTE: The channel for Flow Type 2 cannot be selected. The M800 Transmitter allows during the
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Guided Setup (see chapter 6 “Guided Setup”) to enter a table of K and F factors
Select the channel (4-channel models only) and the desired calibration option. Choices are
GPM, liters/minute meters3/hour, ft/sec, or meters/sec (for a 1-Point or 2-Point flow calibration),
Edit and Verify. Press [ENTER].
The following menus can be called up:
Unit: Several units for Flow can be chosen.
Method: Select the desired calibration procedure, 1-point or 2-point calibration.
7.11.1 One-Point Calibration
Select calibration method 1-Point . A one-point calibration of a Flow sensor is always a slope
calibration.
Press Cal to start the calibration.
Set the desired flow rate and press Next.
The second value displayed on the screen is the value being measured by the transmitter and
sensor in the units selected by the user.
Press the input field for Point1 to enter the value for the calibration point. The M800 displays a
keypad for modifying the value. Press the e button to accept the value.
The screen shows the entered value for the reference system (1st line) and the measured value
of the M800 (2nd line).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as result of the calibration.
Selecting Cancel will discard the entered values and the M800 will return to the calibration
menu.
Use the Back button to go one step back in the calibration procedure.
Press SaveCal to save the calibration factors.
If “SaveCal” is chosen, ”Calibration Saved Successfully” and “Please re-install sensor” is dis-
played. After pressing the Done button the M800 returns to the calibration menu.
7.11.2 Two-Point Calibration
Select calibration method 2-Point . A 2-point calibration of a Flow sensor calculates a new slope
and offset.
Press Cal to start the calibration
Set the desired flow rate for the first point and press Next.
The second value displayed on the screen is the value being measured by the transmitter and
sensor in units selected by the user.
Press the input field for Point1 to enter the value for the calibration point. The M800 displays a
keypad for modifying the value. Press the e button to accept the value.
The screen shows the entered value for the reference system (1st line) and the measured value
Set the desired flow rate for the second point and press Next.
The second value displayed on the screen is the value being measured by the transmitter and
sensor in units selected by the user.
Press the input field for Point2 to enter the value for the calibration point. The M800 displays a
keypad for modifying the value. Press the e button to accept the value.
The screen shows the entered value for the reference system (1st line) and the measured value
of the M800 (2nd line).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as result of the calibration.
Selecting Cancel will discard the entered values and the M800 will return to the calibration
menu.
Use the Back button to go one step back in the calibration procedure.
Press SaveCal to save the calibration factors.
If “SaveCal” is chosen, ”Calibration Saved Successfully” and “Please re-install sensor” is dis-
played. After pressing the Done button the M800 returns to the calibration menu.
7.12 Turbidity Calibration (InPro8000 Series)
Enter the menu Calibrate Sensor (see chapter 7.1 “Sensor Calibration”;
PATH: H\Cal\Calibrate Sensor).
The following menus can be called up:
Unit: Several units for Turbidity can be chosen.
Method: Select the desired calibration procedure, Multi-Point, Process or In-Situ calibration.
Select calibration method Multi-Point. Select 2-Point, 3-Point, 4-Point or 5-Point calibration with
the other button in the line. The multi-point calibration is always performed as an offset and
slope calibration.
NOTE: The calibration always starts with the highest concentration e.g. turbidity value.
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The following procedure shows the 2-Point calibration with two reference solutions. The 3-Point,
4-Point or 5-Point calibration works with 3, 4 or 5 reference solutions respectively.
Press the Cal button to start the calibration
Place the sensor in the reference solution with the highest concentration and press Next button.
The second value displayed on screen is the value being measured by the transmitter and sen-
sor in the units selected by the user.
Press the input field for Point2 to enter the calibration point. The M800 displays a keypad for
modifying the value. Press the e button to accept the value.
NOTE: To select another unit for the entered value on the keypad press the U button. To return
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Place the sensor in the reference solution with the lowest concentration and press Next button.
again press the 0-9 button.
The screen shows the entered value for the reference solution (1st line) and the measured value
of the M800 (2nd line).
Press the Next button to start the calculation of the calibration results.
Press the input field for Point 1 to enter the calibration point. The M800 displays a keypad for
modifying the value. Press the e button to accept the value.
NOTE: To select another unit for the entered value on the keypad press the U button. To return
The screen shows the entered value for the reference solution (1st line) and the measured value
of the M800 (2nd line).
Press the Next button to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
Press the SaveCal button to save the calibration. Press the Cancel button to terminate the calibration. Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. In either
case you will see the message ”Please re-install sensor”. After pressing the Done button the
M800 returns to the calibration menu for the sensor.
7.12.2 Process Calibration
Select calibration procedure Process (see chapter 7.12 “Turbidity Calibration (InPro8000 Series)”). A process calibration is performed as a slope or offset calibration.
Press the Cal button for starting calibration.
Take a sample and press the e button to store the current measuring value. To show the ongo-
ing calibration process, P is blinking in the Start and Menu screen if the related channel is selected in the display.
After determining the turbidity value of the sample, press the calibration icon in the Menu Screen
(see chapter 3.4.2 “Operating Elements”) again.
Press the input field for Point1 and enter the turbidity value of the sample. Press the Next button
to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
Press the SaveCal button to save the calibration. Press the Cancel button to terminate the calibration. Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. After press-
ing the Done button the M800 returns to the Menu Screen.
7.12.3 In-Situ Calibration
Select calibration procedure In-Situ (see chapter 7.12.1 “Turbidity Calibration”). Select 2-Point,
3-Point, 4-Point or 5-Point calibration with the other button in the line. The in-situ calibration is
always performed as an offset and slope calibration.
The following procedure shows the 2-Point calibration with two reference solutions. The 3-Point,
4-Point or 5-Point calibration works with 3, 4 or 5 reference solutions respectively
Press Options button to change the gain: Low/Low (default), Low/High or High/High.
The higher the gain the higher the risk that calibration is stopped at higher turbidity due to signal
overload. In this case restart calibration with lower gain.
Press the Cal button for starting calibration.
Take a sample and press the e button to store the current measuring value. To show the ongo-
ing calibration process, C is blinking in the Start and Menu screen if the related channel is selected in the display.
After determining the turbidity value of the sample, press the calibration icon in the Menu Screen
(see chapter 3.4.2 “Operating Elements”) again.
Press the input field for Point1 and enter the turbidity value of the sample. Press the Next button
to start the calculation of the calibration results.
After determining the turbidity value of the sample, press the calibration icon in the Menu Screen
(see chapter 3.4.2 “Operating Elements”) again.
Take another sample and press the e button to store the current measuring value. To show the
ongoing calibration process, C is blinking in the Start and Menu screen if the related channel is
selected in the display.
After determining the turbidity value of the sample, press the calibration icon in the Menu Screen
(see chapter 3.4.2 “Operating Elements”) again.
Press the input field for Point2 and enter the turbidity value of the sample. Press the Next button
to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
Press the SaveCal button to save the calibration. Press the Cancel button to terminate the calibration. Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. After press-
ing the Done button the M800 returns to the Menu Screen.
In the Manual Calibration mode the values for gain, slope and offset are entered directly.
Press Edit button for starting calibration.
Press the input field for Options to change the gain: Low/Low (default), Low/High or High/High.
The higher the gain the higher the risk that calibration is stopped at higher turbidity due to signal
overload. In this case restart calibration with lower gain.
Press the Next button.
Press the input field for Slope to change the slope. Press the input field for Offset to change the
offset.
The third line shows the current measured value.
Press the Save button to save the calibration. Press the Cancel button to terminate the calibration.
If ”Save” is chosen, the message ”Calibration Saved Successfully!” is displayed. After pressing
the Done button the M800 returns to the Menu Screen.
7.13 Turbidity Calibration (InPro8600i)
Enter the menu Calibrate Sensor (see chapter 7.1 “Sensor Calibration”;
PATH: H\Cal\Calibrate Sensor).
The following menus can be called up:
Unit: Several units for Turbidity can be chosen.
Method: Select Process calibration.
Select calibration procedure Process (see chapter 7.13 “Turbidity Calibration (InPro8600i)”). A
process calibration is performed as a slope or offset calibration.
Press the Cal button for starting calibration.
Take a sample and press the e button to store the current measuring value. To show the ongo-
ing calibration process, P is blinking in the Start and Menu screen if the related channel is selected in the display.
After determining the turbidity value of the sample, press the calibration icon in the Menu Screen
(see chapter 3.4.2 “Operating Elements”) again.
Press the input field for Point1 and enter the turbidity value of the sample. Press the Next button
to start the calculation of the calibration results.
The display shows the value for the slope and the offset as the result of the calibration.
Press the SaveCal button to save the calibration. Press the Cancel button to terminate the calibration. Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. After press-
ing the Done button the M800 returns to the Menu Screen.
Enter the menu Calibrate Sensor (see chapter 7.1 “Sensor Calibration”;
PATH: H \ Cal \ Calibrate Sensor) and choose the desired channel for verification
Press the Verify button to start verification.
The measured signal of the primary and the secondary measurement in basic (mostly electrical)
units are shown. The meter calibration factors are used when calculating these values.
Press the e button and the transmitter returns to the calibration menu.
7.15 Edit Calibration Constants for Flow Sensors
This function is the most commonly used calibration method for flow sensors
Enter the menu Calibrate Sensor (see chapter 7.1 “Sensor Calibration”;
PATH: H \ Cal \ Calibrate Sensor) and choose the desired channel.
Press the Edit button.
Press the input field for Slope to modify the slope value. The M800 displays a keypad for modi-
fying the value. Press the e button to accept the value.
Press the input field for Offset to modify the offset value. The M800 displays a keypad for modifying the value. Press the e button to accept the value.
Selecting Cancel will discard the entered values and the M800 will return to the calibration
menu.
Press Save to save the calibration factors.
If “Save” is chosen ”Calibration Saved Successfully” and “Please re-install sensor” is displayed.
After pressing the Done button the M800 returns to the calibration menu.
The M800 provides the ability to calibrate or verify the electronic circuits of Unicond2e conductivitysensors.Unicond2esensorshave3resistancerangecircuitsthatrequireindividualcalibration. These measuring circuits are calibrated using the THORNTON ISM Conductivity Sensor
Calibration Module part number 58 082 305 and supplied Y-connector. Before calibration, remove the sensor from the process, rinse with deionized water and allow to completely dry. Power the transmitter and sensor at least 10 minutes prior to calibration to assure stable operating
temperature of the circuitry.
Press the Cal button.
Enter menu Calibrate Electronics.
Press the Chan_x button and select the desired channel for calibration.
Choose Verify or Cal.
Reference THORNTON ISM Conductivity Sensor Calibration Module (part number 58 082 305)
for detailed calibration and verification instructions.
7.17 Meter Calibration
Although it is not normally necessary to perform meter re-calibration unless extreme conditions
cause an out of spec operation shown by Calibration Verification, periodic verification/re-calibra-
Press the input field in the second line to select Resistance.
Press the Cal button.
Press the Next button to start the calibration process.
Connect source 1 to input terminals. Each resistance range consists of a two-point calibration.
Press the Next button to continue.
Press input field for Point1 to enter the calibration point. The M800 displays a keypad for modi-
fying the value. Press the e button and the transmitter will take over the value.
The second line shows the current value.
Connect source 2 to input terminals.
Press the Next button to continue.
Press input field for Point2 to enter the calibration point. The M800 displays a keypad for modi-
fying the value. Press the e button to accept the value.
The second line shows the current value.
The display shows the value for the slope and the offset as the result of the calibration.
Press the SaveCal button to save the calibration. Press the Cancel button to terminate the calibration. Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. After press-
ing the Done button the M800 returns to the Menu Screen.
Temperature is performed as a three point calibration. The table in section 7.17.1 shows the resistance values of these three points.
Press the input field in the second line to select Temperature.
Press the Cal button.
Connect source 1 to input terminals. Press the Next button to start the calibration process.
Press input field for Point1 to enter the calibration point. The M800 displays a keypad for modi-
fying the value. Press the e button and the transmitter will take over the value.
The second line shows the current value.
Connect source 2 to input terminals.
Press the Next button to continue.
Repeat the calibration procedure for Point2 and Point3 as for Point1.
The display shows the result of the calibration.
Press the SaveCal button to save the calibration. Press the Cancel button to terminate the calibration. Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. After press-
ing the Done button the M800 returns to the Menu Screen.
7.17.3 Voltage
Voltage calibration is performed as a two-point calibration.
Press the input field in the second line to select Temperature.
Connect source 1 to input terminals. Press the Next button to start the calibration process.
Press input field for Point1 to enter the calibration point. The M800 displays a keypad for modi-
fying the value. Press the e button to accept the value.
The second line shows the current value.
Connect source 2 to input terminals.
Press the Next button to continue.
Repeat the calibration procedure for Point2 and Point3 as for Point1.
The display shows the result of the calibration.
Press the SaveCal button to save the calibration. Press the Cancel button to terminate the calibration. Use the Back button to go one step back in the calibration procedure.
If ”SaveCal” is chosen, the message ”Calibration Saved Successfully!” is displayed. After press-
ing the Done button the M800 returns to the Menu Screen.
7.17.4 Current
Current calibration is performed as a two-point calibration.
Perform current calibration according to section 7.17.3 “Voltage”.
7.17.5 Rg
Rg Diagnostic calibration is performed as a two-point calibration.
Perform current calibration according to section 7.17.3 “Voltage”.
7.17.6 Rr
Rr Diagnostic calibration is performed as a two-point calibration.
Perform current calibration according to section 7.17.3 “Voltage”.
Press the input field for Point1 and enter the value for the calibration point. The M800 displays
a keypad for modifying the value. Press e to accept the value.
NOTE: To select another unit for the entered value on the keypad press the U button, to return to
Press the input field for Point2 and enter the value for the second calibration point. The M800
displays a keypad for modifying the value. Press e to accept the value.
The display shows the slope and offset values as the result of the calibration.
SaveCal: Save new calibration values and store in the calibration history
Cancel: Cancel the calibration procedure and return to Calibrate Sensor Menu.
Back: Go one step back in the calibration procedure.
Each analog output can be calibrated at 4 and 20 mA. Select the desired output signal for cali-
bration by pressing the #1 button for output signal 1, #2 for output signal 2, etc.
Connect an accurate milliamp meter to the analog output terminals and then adjust the 5-digit
number in the display until the milliamp meter reads 4.00 mA and repeat for 20.00 mA.
As the 5-digit number is increased the output current increases and as the number is
decreased the output current decreases. Thus coarse changes in the output current can be
made by changing the thousands or hundreds digits and fine changes can be made by changing the tens or ones digits.
After adjusting both values press the Next button to start the calculation of the calibration results.
The display shows the calibration slope and zero point as the result of the output signal calibration.
Selecting Cancel will discard the entered values. Pressing SaveCal will making the entered values the current ones.
If “SaveCal” is chosen, ”Calibration Saved Successfully” is displayed.
Each analog input can be calibrated at 4 and 20 mA. Select the input signal for calibration by
pressing the #1 button.
Connect an 4 mA signal to the analog input terminals. Press the Next button.
Enter the right value for the input signal (Point1).
Press the Next button to go on with the calibration.
Connect an 20 mA signal to the analog input terminals. Press the Next button.
Enter the right value for the input signal (Point2)
Press the Next button to go on with the calibration.
The display shows the calibration slope and zero point as the result of the input signal calibration.
Selecting Cancel will discard the entered values. Pressing SaveCal will making the entered values the current ones.
If “SaveCal” is chosen, ”Calibration Saved Successfully” is displayed.
7.21 Maintenance
PATH: H \ CAL \ Maintenance
The different channels of the M800 Transmitter can be switched manually into HOLD state. Furthermore a cleaning cycle can be started / stopped manually.
Select the channel, which should be set to HOLD manually.
Press Start button for Manual HOLD to activate the HOLD state for the selected channel. To deactivate the HOLD state again, press the Stop button, which is now displayed instead of the Start
button.
Press the Start button for Manual Clean to switch the cleaning relay to the state for starting a
cleaning cycle. To switch back the relay press the Stop button, which is now displayed instead
of the Start button.
For the menu structure refer to chapter 3.4.1 “Menu Structure”.
8.1 Measurement
PATH: H \ CONFIG \ Meas
8.1.1 Channel Setup
PATH: H \ CONFIG \ Meas \ Channel Setup
Select the Channel for the setup through pressing the button #1 for channel 1, #2 for channel 2
etc.
Press the right input field in the line of the setting for Channel. A parameter for the corresponding
channel is chosen through pressing the according field.
If Auto is selected, M800 Transmitter automatically recognizes the type of sensor. The channel
can also be fixed to a certain measurement parameter, depending on the type of trans mitter.
Measurement parameter 2-channel and 4-channel versions
Measurement parameter Type
pH / ORP = pH and ORP Water, Process
pH/pNa = pH and ORP (with pH/pNa electrode) Process
UniCond2e = 2 electrode conductivity Water, Process
UniCond4e = 4 electrode conductivity Water, Process
Cond4e = 4 electrode conductivity Water, Process
O2 hi = Dissolved oxygen or oxygen in gas (ppm) Process
O2 lo = Dissolved oxygen or oxygen in gas (ppb) Process
O2 Trace = Dissolved oxygen or oxygen in gas Process
O2 Opt = Dissolved oxygen optical Process
O2 lo THORNTON = Dissolved oxygen Water
CO2 = Dissolved carbon dioxide Process
CO2 hi = Dissolved carbon dioxide for beverages Process
TOC = Total organic carbon Water
O3 = Dissolved O3 Water
Flow hi, low, Type2 = Flow Water
Measurement parameter 1-channel version, analog sensors
Measurement parameter
pH / ORP = pH and ORP
Cond2e = 2 electrode conductivity
Cond4e = 4 electrode conductivity
O2 hi = Dissolved oxygen or oxygen in gas (ppm)
Turbidity = Turbidity
Measurement parameter 1-channel version, ISM sensors
Measurement parameter
pH / ORP = pH and ORP
pH/pNa = pH and ORP (with pH/pNa electrode)
UniCond2e = 2 electrode conductivity
UniCond4e = 4 electrode conductivity
Cond4e = 4 electrode conductivity
O2 hi = Dissolved oxygen or oxygen in gas (ppm)
O2 lo = Dissolved oxygen or oxygen in gas (ppb)
O2 Trace = Dissolved oxygen or oxygen in gas
O2 Opt = Dissolved oxygen optical
CO2 = Dissolved carbon dioxide
CO2 hi = Dissolved carbon dioxide
Turbidity = Turbidity
Enter the name with a maximum length of 6 characters for the channel through pressing the input field in the line Descriptor. The name of the channel will always be displayed, if the channel
has to be selected. The name will also be displayed on the Start Screen and Menu Screen if the
Display Mode (see chapter 8.1.3 “Display Mode”) has been set to 1-channel or 2-channel.
Choose one of the measurements M1 to M6 (e.g. for measuring value M1 the left button, for
measuring M2 the right button in the corresponding line).
Select in the input field for Measurement the desired parameter to show.
hNOTE: Beside the parameters pH, O
to the measurements.
Choose Range factor of the measuring value. Not all parameters allow a modification of the
range.
The menu Resolution allows the setting of the resolution for the measurement. The accuracy of
the measurement is not effected by this setting. Possible setting are 1, 0.1, 0.01, 0.001.
Selected the menu Filter. The averaging method (noise filter) for the measurement can be selected. The options are None (default), Low, Medium, High and Special.
None = no averaging or filtering
The M800 enables the setup of derived measurements (total, difference, ratio) based on two
measuring values like pH, conductivity, etc. To get the derived measurements, first set up the
two primary measurements, which will be used to calculate the derived measurement. Define the
primary measurements as if they were stand-alone readings. Then choose the corresponding
unit for the derived measurement for the first channel. The M800 Transmitter will display an additional menu Other Channel to select the second channel with the corresponding measurement.
There are three additional derived measurements available for configuration with two conductivity sensors: %Rej (% Rejection), pH Cal (Calculated pH) and CO2 Cal (Calculated CO2).
8.1.2.1 % Rejection measurement
For reverse osmosis (RO) applications, percent rejection is measured with conductivity to determine the ratio of impurities removed from product or permeate water to the total impurities in the
incoming feed water. The formula for obtaining Percent Rejection is:
[1 – (Product/Feed)] X 100 = % Rejection
Where Product and Feed are the conductivity values measured by the respective sensors.
Figure a shows a diagram of an RO installation with sensors installed for Percent Rejection.
Sensor
Reverse Osmosis Membrane
B
FeedProduct
Reject
NOTE: The product monitoring sensor must be on the channel that will measure percent rejec-
h
tion. If the product conductivity sensor is installed in channel 1, then percent rejection must be
measured in channel 1.
Calculated pH may be obtained very accurately from specific and cation conductivity values on
power plant samples when the pH is between 7.5 and 10.5 due to ammonia or amines and
when the specific conductivity is significantly greater than the cation conductivity. This calculation is not suitable where significant levels of phosphates are present. The M800 uses this algorithm when pH Cal is selected as a measurement.
The calculated pH must be configured on the same channel as specific conductivity. For example, set up measurement M1 on CHAN_1 to be specific conductivity, measurement M1 on
CHAN_2 to be cation conductivity, measurement M2 on CHAN_1 to be calculated pH and measurement M3 on CHAN_1 to be temperature. Set the temperature compensation mode to ”Ammonia” for measurement M1 on CHAN_1 and to ”Cation” for measurement M1 on CHAN_2.
NOTE: If operation goes outside the recommended conditions, a glass electrode pH measure-
ment is needed to obtain an accurate value. On the other hand, when sample conditions are
within the ranges noted above, the calculated pH provides an accurate standard for one-point
trim calibration of the electrode pH measurement.
Page 91
Transmitter M800 91
8.1.2.3 Calculated CO2 (Power plant applications only)
Carbon dioxide may be calculated from cation conductivity and degassed cation conductivity
measurements on power plant samples using tables from ASTM Standard D4519. The M800
has these tables stored in memory, which it uses when units of CO2 CAL are selected.
The calculated CO2 measurement must be configured to the same channel as cation conductivity. For example, set up measurement M1 on CHAN_1 to be cation conductivity, measurement
M1 on CHAN_2 to be degassed cation conductivity, measurement M2 on CHAN_1 to be calculated CO2 and measurement M2 on CHAN_2 to be temperature. Set the temperature compensation mode to ”Cation” for both conductivity measurements.
8.1.3 Display Mode
PATH: H \ CONFIG \ Meas \ Display Mode
Press the input field in the line of the setting for Disp Mode and choose the measuring values,
which are displayed on the Start Screen and Menu Screen.
Choose between the display of the measuring values for 1-channel, the measuring values for
2-channel, 4 measuring values (4-meas) or 8 measuring values (8-meas).
NOTE: If 1-channel or 2-channel has been chosen the measuring values, that will be displayed
h
NOTE: Beside the measurement values pH, O2, T, etc. also the ISM values DLI, TTM and ACT can
h
are defined in the menu Channel Setup (see chapter 8.1.1 “Channel Setup”). If 1-channel has
been chosen, M1 to M4 of every channel will be displayed. In case of 2-channel M1 and M2 of
every channel will be displayed.
Additional settings can be done if 4-meas or 8-meas has been selected.
Select the Page of the Start Screen or Menu Screen the measuring value will be displayed.
Choose the Line of the according page the measuring value will be displayed.
Select the Channel which should be displayed in the according line of the page through pressing the corresponding field.
Choose the measured value of the selected channel which should be displayed through the parameter Measure.
Measuring and calibration parameters can be set for the parameters pH, conductivity, oxygen,
and flow
Access the menu Channel and select the channel.
Depending on the selected channel and assigned sensor the measuring and calibration parameters are displayed.
See the following explanation to get more details about the different parameter settings.
8.1.4.1 Conductivity Settings
Select measurement (M1-M6). For more information regarding measurements see chapter 8.1.1
“Channel Setup”.
If the selected measurement can be temperature compensated, the compensation method may
be selected.
NOTE: During calibration, the compensation method must also be selected. (see chapter 7.2
h
“Calibration of UniCond2e and UniCond4e Sensors (ISM Sensors only)” and chapter 7.3 “Calibration of Cond2e Sensors or Cond4e Sensors”).
Press Compen. to select the desired temperature compensation method. Choices are “None”,
”Standard”, “Light 84”, “Std 75 °C”, ”Linear 25°C”, ”Linear 20°C”, “Glycol.5”, “Glycol1”, “Cation”, “Alcohol” and “Ammonia”.
None does not make any compensation of the measured conductivity value. The uncompensated value will be displayed and proceeded.
Standard compensation includes compensation for non-linear high purity effects as well as conventional neutral salt impurities and conforms to ASTM standards D1125 and D5391.
Light 84 compensation matches the high purity water research results of Dr. T.S. Light published
in 1984. Use only if your institution has standardized on that work.
Std 75 °C compensation is the Standard compensation algorithm referenced to 75 °C. This
compensation may be preferred when measuring Ultrapure Water at an elevated temperature
(Resistivity of ultrapure water compensated to 75 °C is 2.4818 Mohm-cm.)
Linear 25 °C compensation adjusts the reading by a coefficient or factor expressed as %/°C
(deviation from 25 °C). Use only if the solution has a well-characterized linear temperature coefficient. The factory default setting is 2.0% /°C.
Linear 20 °C compensation adjusts the reading by a coefficient or factor expressed as %/°C
(deviation from 20 °C). Use only if the solution has a well-characterized linear temperature coefficient. The factory default setting is 2.0% /°C.
Glycol.5 compensation matches the temperature characteristics of 50% ethylene glycol in water.
Compensated measurements using this solution may go above 18 Mohm-cm.
Glycol1 compensation matches the temperature characteristics of 100% ethylene glycol. Compensated measurements may go well above 18 Mohm-cm.
Cation compensation is used in power industry applications measuring the sample after a cation exchanger. It takes into account the effects of temperature on the dissociation of pure water
in the presence of acids.
Alcohol compensation provides for the temperature characteristics of a 75% solution of isopropyl alcohol in pure water. Compensated measurements using this solution may go above 18
Mohm-cm.
Ammonia compensation is used in power industry applications for specific conductivity measured on samples using ammonia and/or ETA (ethanolamine) water treatment. It takes into account the effects of temperature on the dissociation of pure water in the presence of these bases.
NOTE: If compensation mode ”Linear 25 °C” or ”Linear 20 °C” has been chosen, the coefficient
h
for the adjustment of the reading can be modified. In this case an additional input field will be
displayed.
Press the input field for Coef. and adjust the coefficient or factor for the compensation.
8.1.4.2 pH Settings
If a pH sensor is connected to the selected channel while during the channel setup (see chapter
8.1.1 “Channel Setup”) Auto has been chosen the parameters Buffer Tab, Stability, IP, STC and
calibration temperature as well as the displayed units for slope and/or zero point can be set or
adjusted. The same parameters will be displayed if during the channel setup not Auto but
pH/ORP has been set.
Select the buffer through the parameter Buffer Tab.
For automatic buffer recognition during calibration, select the buffer solution set that will be
used: Mettler-9, Mettler-10, NIST Tech, NIST Std = JIS Std, HACH, CIBA, MERCK, WTW,
JIS Z 8802 or None. See 17 “Buffer tables” for buffer values. If the auto buffer feature will not be
used or if the available buffers are different from those above, select None.
NOTE: For dual membrane pH electrodes (pH/pNa) buffer Na+ 3.9M (see chapter 17.2.1 “Met-
h
tler-pH / pNa buffers (Na+ 3.9M)”.
SelecttherequiredStability of the measuring signal during the calibration procedure. Choose
manual if the user will decide when a signal is stable enough to complete the calibration. Select
Low, Medium or Strict if an automatic stability control of the sensor signal during calibration
through the transmitter should be done.
If the parameter stability is set to medium (default) the signal deviation has to be less than
0.8 mV over a 20 second interval to be recognized by the transmitter as stable. The calibration
is done using the last reading. If the criteria is not met within 300 seconds then the calibration
times out and the message ”Calibration Not Done” is displayed.
Adjust the parameter IP pH.
IP is the isothermal point value (Default = 7.000 for most applications). For specific compensa-
STC is the solution temperature coefficient in units of pH / °C referenced to the defined temperature. (Default = 0.000 pH/°C for most applications). For pure waters, a setting of
– 0.016 pH / °C should be used. For low conductivity power plant samples near 9 pH, a setting
of – 0.033 pH / °C should be used.
The value for pH Ref Temperature indicates to which temperature the solution temperature compensation is referenced. The displayed value and the output signal is referenced to this temperature. Most common reference temperature is 25°C.
8.1.4.3 Settings for Oxygen Measurement Based on
Amperometric Sensors
If an amperometric oxygen sensor is connected to the selected channel while during the channel
setup (see chapter 8.1.1 “Channel Setup”) Auto has been chosen the parameters CalPressure,
ProcPressure, ProcCalPress, Stability, Salinity, RelHumidity, UpolMeas and UpolCal can be set
or adjusted. The same parameters will be displayed if during the channel setup not Auto but O2
hi, O2 lo or O2 trace has been set.
Enter the value for the calibration pressure through the parameter CalPressure.
NOTE:For a modification of the unit for the calibration pressure press U on the displayed keypad.
h
Press the Option button for the parameter ProcPressure and select the how to get applying process pressure through choosing the Type.
The applied process pressure can be entered by choosing Edit or measured over the analog input of the M800 by choosing Ain_1.
If Edit has been chosen an input field for entering the value manually is displayed on the screen.
In case that Ain_1 has been selected two input fields are displayed to enter the start value (4
mA) and the end value (20 mA) of the range for the 4 to 20 mA input signal.
For the algorithm of the process calibration the applied pressure has to be defined. Select the
pressure through the parameter ProcCalPress. For the process calibration the value of the process pressure (ProcPress) or the calibration pressure (CalPress) can be used.
SelecttherequiredStability of the measuring signal during the calibration procedure. Choose
Manual if the user will decide when a signal is stable enough to complete the calibration. Select
Auto and an automatic stability control of the sensor signal during calibration through the transmitter will be done.
Additional settings can be done by navigating to the next page of the menu.
The Salinity of the measured solution can be modified.
In addition the relative humidity (button Rel.Humidity) of the calibration gas can also be entered. The allowed values for relative humidity are in the range 0% to 100%. When no humidity
measurement is available, use 50% (default value).
The polarization voltage of amperometric oxygen sensors in the measuring mode can be modified through the parameter UpolMeas. For entered values 0 mV to –550 mV the connected sensor will be set to a polarization voltage of –500mV. If the entered value is less then –550 mV,
the connected sensor will set to a polarization voltage of –674 mV.
The polarization voltage of amperometric oxygen sensors for calibration can be modified
through the parameter UpolCal. For entered values 0 mV to –550 mV the connected sensor will
be set to a polarization voltage of –500mV. If the entered value is less then –550mV, the connected sensor will set to a polarization voltage of –674mV.
NOTE: During a process calibration, the polarization voltage UpolMeas, defined for the measur-
NOTE: If a one-point calibration is executed, the transmitter sends the polarization voltage, valid
h
for the calibration, to the sensor. If the polarization voltage for the measuring mode and calibration mode is different, the transmitter will wait 120 seconds before starting the calibration. In this
case the transmitter will also go after the calibration for 120 seconds to the HOLD Mode, before
returning to the measuring mode again.
8.1.4.4 Settings for Oxygen Measurement Based on Optical
Sensors
If an optical oxygen sensor is connected to the selected channel while during the channel setup
(see chapter 8.1.1 “Channel Setup”) Auto has been chosen the parameters CalPressure, ProcPressure, ProcCalPress, Stability, Salinity, RelHumidity, Sample Rate, LED Mode and Toff can be
set or adjusted. The same parameters will be displayed if during the channel setup not Auto but
Optical O2 has been set.
Enter the value for the calibration pressure through the parameter CalPressure.
Press the button Option for the parameter ProcPress and select the how to get applying process
pressure through pressing the according button in the line Type.
The applied process pressure can be entered by choosing Edit or measured over the analog input of the M800 by choosing AIN_1.
If Edit has been chosen an input field for entering the value manually is displayed on the screen.
In case that AIN_1 has been selected two input fields are displayed to enter the start value
(4mA) and the end value (20 mA) of the range for the 4 to 20 mA input signal.
For the algorithm of the process calibration the applied pressure has to be defined. Select the
pressure through the parameter ProcCal. For the process calibration the value of the process
pressure (ProcPress) and the value of the calibration pressure (CalPress) can be used. Select
between Scaling and Calibration for the process calibration. If Scaling has been chosen, the calibration curve of the sensor will be untouched, but the output signal of the sensor will be scaled.
In case of calibration value <1%, the offset of the sensor output signal will be modified during
scaling, for value >1% the slope of the sensor output will be adjusted. For further information
about scaling refer to the sensor manual.
SelectingtherequiredStability of the measuring signal during the calibration procedure. Choose
Manual if the user will decide when a signal is stable enough to complete the calibration. Select
Auto and an automatic stability control of the sensor signal during calibration through the transmitter will be done.
Additional settings can be done by navigating to the next page of the menu.
The Salinity of the measured solution can be modified.
In addition the relative humidity (button Rel.Humidity) of the calibration gas can also be entered. The allowed values for relative humidity are in the range 0% to 100%. When no humidity
measurement is available, use 50% (default value).
AdjusttherequiredSample Rate of the optical sensor during measurement. The time interval
from one measuring cycle of the sensor to the next can be adjusted i.e. adapted to the application. A higher value will increase the life time of the OptoCap of the sensor.
Select the LED Mode of the sensor. There are the following options.
Off: LED is permanently switched off.
On: LED is permanently switched on.
Auto: The LED is switched on as long as the measured media temperature is smaller then
Toff (see next value) or switched off through a digital input signal (see chapter 8.10
“Digital Inputs”).
NOTE: If the LED is switched off, no oxygen measurement is performed.
h
Enter the limit for the measuring temperature to switch off the LED of the sensor automatically for
the M800 through the parameter Toff.
If the media temperature is higher then Toff, the LED will switched off. The LED will be switched
on as soon as the media temperature falls below Toff –3 K. This function give the option to increase the lifetime of the OptoCap by switching off the LED during SIP or CIP cycles.
NOTE: This function is only active if the LED Mode is set to “Auto”.
h
8.1.4.5 Dissolved Carbon Dioxide Settings
If an dissolved carbon dioxide sensor is connected to the selected channel while during the
channel setup (see chapter 8.1.1 “Channel Setup”) Auto or CO2 has been chosen, the buffer
used for calibration and the parameters stability, salinity, HCO3, TotPres can be set resp. adjusted.
Select the buffer through the parameter Buffer Tab. For automatic buffer recognition during calibration, select buffer solution Mettler-9 if it will be used. If the auto buffer feature will not be used
or if the available buffer are different from Mettler-9 select None.
SelecttherequiredStability of the measuring signal during the calibration procedure. Choose
manual if the user will decide when a signal is stable enough to complete the calibration. Select
Low, Medium or Strict if an automatic stability control of the sensor signal during calibration
through the transmitter should be done.
If the unit for the measured dissolved carbon dioxide is %sat, the pressure during the calibration
resp. measurement has to be considered. This will be done by setting the parameter TotPres.
If another unit then %sat has been selected, the result will not be influenced by this parameter.
The Salinity describes the total amount of solved salts in the CO2 electrolyte of the sensor connected to the transmitter. It is a sensor specific parameter. The default value (28.00 g/L) is valid
for the InPro5000i. Do not change this parameter if the InPro 5000i will be used.
Additional settings can be done by navigating to the next page of the menu.
The parameter HCO3 describes the concentration of hydrogen carbonate in the CO2 electrolyte of
the sensor connected to the transmitter. It is also a sensor specific parameter. The default value
0.050 Mol/L is valid for the InPro5000i. Do not change this parameter if the InPro5000i will be
8.1.4.6 Settings for Thermal Conductivity Dissolved CO2
Measurement (CO
If during the channel setup (see chapter 8.1.1 “Channel Setup”) the parameter CO2 Hi has been
chosen, the parameters stability (manual/auto) and CO2 solubility (CO2-solubility and Temperature Factor), be set resp. adjusted.
SelecttherequiredStability of the measuring signal during the calibration procedure. Choose
manual if the user will decide when a signal is stable enough to complete the calibration. Select
Auto if an automatic stability control of the sensor signal during calibration through the transmitter should be done.
The sensor offers a choice of CO2 Solubility’s for measurement in beer, water and cola. The cola
setting is to be used with carbonated soft drinks. For other beverages the user has the possibility
to enter individual values for CO2 solubility and temperature factors.
Default values for measurement in beer (valid for temperatures – 5 … 50 °C):
CO2 solubility (A): 1.420 g/L
Temp. factor (B): 2485
Values for pure water:
CO2 solubility (A): 1.471 g/L
Temp. factor (B): 2491
Values for cola:
CO2 solubility (A): 1.345 g/L
Temp. factor (B): 2370
hi)
2
NOTE: The sensor is delivered factory calibrated and is set up to measure in beer as the default.
h
For beverages where the user knows the exact CO2 solubility and the temperature factor the
values can be changed individually.
If the user desires to evaluate the solubility (CO2-solub.) and temperature
factors (Temp.-Factor) they can be evaluated with the following formulas.
HCO2 = A * exp (B * (1 / T – 1 / 298.15))
cCO2 = HCO2 * pCO
HCO2 : Calculated CO2 Solubility (Henry constant) at measured process temp.
A: Solubility of CO2 (g / L at 25 °C)
B: Temperature factor (valid for – 5 … 50 °C)
cCO2: Calculated CO2 concentration in g/l or V/V
2
8.1.4.7 Settings for TOC Measurement
For information on how to configure parameter related settings associated with TOC measure-
ment, refer to the 5000TOCi operating manual provided with the 5000TOCi Total Organic Carbon sensor.
(in which the sensor is installed) for calculations. Enter the precise inside diameter in inches.
Press e to accept the value.
To select the low flow cutoff, select Flow Cut. The M800 displays a keypad for modifying the
value. If the measured value is less then the entered value for Flow Cut, the M800 Transmitter
sets the measured value for flow to 0. Press e to accept the value.
8.1.4.9 Settings for Turbidity Sensors (InPro8000 Series)
The following menus can be called up:
Chanel: Turb. for turbidity sensors (InPro8000 Series) is chosen.
Customer unit: Enter customer-specific unit or description with maximum 6 characters. De-
fault is “Turb.”. The entered unit is selectable in the unit measurement list in
the measurement screen in the Channel Setup menu.
Cal Set:Select Cal Set A, B or C for current measurement calculation. In the Cal Set the
calculation factors are stored.
In the Digital Inputs menu you can assign a Cal Set to a digital input using the
Mode and Digital Inputs parameter.
8.1.4.10 Settings for Turbidity Sensors (InPro8600i)
The following menus can be called up:
Chanel: ISM for turbidity sensors (InPro8600i) is chosen.
Concentration: Enter value for Concentration.
Color Corr: Activate (On) or deactivate (Off) the color correction for InPro 8600i/D3 sen-
Totalequivalents,ppm-gallonsorgrains: The M800 can monitor the flow rate and mineral
concentration entering a deionization vessel and infer the extent of resin capacity consumption.
By multiplying the total dissolved solids (TDS) based on conductivity times flow rate and integrating the result over time, total mineral content that has entered the deionization vessel can be
monitored.
TheM800canprovidethisinreal-timebysettingmeasurementunitstoequivalents,ppm-gallons or grains. From this and knowledge of the total ion exchange capacity of the vessel, the “%
of run” and/or anticipated time for next regeneration can be determined. This measurement re-
2. Set up the measurement for the conductivity sensor.
3. Set up an additional measurement for deionization capacity for the flow channel with units of
equiv,ppm-GorGrains.
4. Following the path <Config/Measurement/Parameter Setting> for the flow measurement chan-
nel, select the channel of the conductivity measurement being used for the calculation and
set the TDS factor appropriately for the water being measured as determined below.
Deionization capacity can be reset to zero, similar to total flow, using the path <Config/Reset/
Configure/Chan X/DiCap/Reset>.
Total Dissolved Solids (TDS) may be inferred and displayed based on conductivity/resistivity
data. TDS is the concentration of sodium chloride (or other conductive substance) corresponding to the measured conductivity. Salinity is the same as TDS, specifically for sodium chloride.
Both are given in units of parts per billion (ppb), parts per million (ppm) or parts per thousand
(ppk, as abbreviated on M800).
The default setting of 1.0 for the TDS Factor provides conversion based on the conductivity of
sodium chloride at 0.462 ppm per uS/cm, with non-linear corrections at very low and very high
conductivities. The TDS factor may be changed to provide accurate conversion for other compositions. It is a multiplier on the sodium chloride conversion. Values for other materials are given
in the table below (normalized to NaCl). These values adjust the TDS value for the actual conductivity of the materials in the table. Different values are needed for measurements involving ion
exchange calculations – see below.
Material TDS factor
NaCl 1.0000
KCl 1.0786
CaCl2 0.8839
CaCO3 0.8407
NaOH 0.3480
Total Dissolved Solids for ion exchange calculations are based on the conductivity and weight
defined composition of neutral minerals with conductivity the same as sodium chloride, a TDS
factor of 0.856 will give readout as ppm NaCl expressed as CaCO3. For conditions of strong
base exchange, a TDS factor of 0.435 will give readout as ppm NaOH expressed as CaCO3.
To specify a concentration curve for customer-specific solutions, up to 5 concentration values
can be edited in a matrix together with up to 5 temperatures. To do so the desired values are edited under the concentration curve table menu. Beside the temperature values, the conductivity
and concentration values for the corresponding temperature are edited. The concentration curve
can be selected resp. used in combination with conductivity sensors.
Enter the name with a maximum length of 6 characters for the concentration curve through
pressing the input field in the line Descriptor.
Enter the amount of desired temperature points (TempPoint) and concentration points
(ConcPoint).
The different values can be entered by navigating to the next page of the menu.
Enter the values for temperature (T1...T5), concentration (Conc1...Conc5) and the correspond-
ing conductivity through pressing the according input field. The unit for the value of the conductivity can be adjusted as well in the according input field.
NOTE: The values for the temperature have to increase from T1 to T2 to T3, etc. The values for
h
NOTE: The conductivity values at the different temperatures have to increase or decrease from
h
the concentration have to increase from Conc1 to Conc2 to Conc3, etc.
Conc1 to Conc2 to Conc3, etc. Maxima and/or minima are not permitted. If the conductivity values at T1 are increasing with the different concentrations, they have to increase also at the other
temperatures. If the conductivity values at T1 are decreasing with the different concentrations,
they have to decrease also at the other temperatures.