Rosemount 3200HP pH Sensors Manuals & Guides

Rosemount™ 3200HP
pH Sensors
Reference Manual
0809-0100-3200
0
Rev. AA
hasgkas
Essential Instructions
Read this page before proceeding!
merson designs, manufactures and tests its products to meet many national and international stan-
E dards. Because these sensors are sophisticated technical products, you MUST properly install, use, and maintain them to ensure they continue to operate within their normal specifications. The following instructions MUST be adhered to and integrated into your safety program when installing, using, and maintaining Rosemount products. Failure to follow the proper instructions may cause any one of the following situations to occur: loss of life; personal injury; property damage; damage to this sensor; and warranty invalidation.
Read all instructions prior to installing, operating, and servicing the product.
If you do not understand any of the instructions, contact your Emerson representative for
clarification.
Follow all warnings, cautions, and instructions marked on and supplied with the product.
Inform and educate your personnel in the proper installation, operation, and maintenance
of the product.
Install your equipment as specified in the Installation Instructions of the appropriate
Reference Manual and per applicable local and national codes. Connect all products to the proper electrical and pressure sources.
To ensure proper performance, use qualified personnel to install, operate, update,
program, and maintain the product.
When replacement parts are required, ensure that qualified people use replacement parts
specified by Emerson. Unauthorized parts and procedures can affect the product's performance, place the safe operation of your process at risk, and VOID YOUR WARRANTY. Third-party substitutions may result in fire, electrical hazards, or improper operation.
Ensure that all equipment doors are closed and protective covers are in place, except when
maintenance is being performed by qualified persons, to prevent electrical shock and personal injury.
The information contained in this document is subject to change without notice.
CAUTION
Sensor/Process Application Compatibility
The wetted sensor materials may not be compatible with process composition and operating conditions. Application compatibility is entirely the responsibility of the user.
CAUTION
Special Conditions for Safe Use
1. All pH sensors have a plastic enclosure which must only be cleaned with a damp cloth to avoid the danger due to a build up of an electrostatic charge.
2. All pH sensor models are intended to be in contact with the process fluid and may not meet the 500V r.m.s. a.c. test to earth.
This must be taken into consideration at installation.
Reference Manual Table of Contents
00809-0100-3200 February 2019
Contents
Section 1: Specifications
1.1 Specifications ......................................................................................................1
1.2 Product Certifications..........................................................................................2
Section 2: Installation
2.1 Unpacking and Inspection ...................................................................................3
2.2 Mechanical Installation ........................................................................................3
2.3 Putting the Rosemount 3200HP Sensor in Service................................................4
Section 3: Wiring
3.1 Wiring for Rosemount 3200HP ............................................................................7
Section 4: Calibration
4.1 Calibration.........................................................................................................11
Section 5: Maintenance
5.1 Replacing the Electrolyte Solution (PN 9210391) ...............................................13
5.2 Replacing the Capillary Disc (PN 34142-00)........................................................13
Section 6: Troubleshooting
6.1 Troubleshooting ................................................................................................15
Section 7: Accessories
7.1 Accessories........................................................................................................17
EC Declaration of Conformity ...............................................................................19
Intrinsically Safe Sensor Installation Drawing - FM.....................................21
Table of Contents i
Table of Contents Reference Manual
February 2019 00809-0100-3200
ii Table of Contents
Reference Manual Specifications
00809-0100-3200 February 2019
Section 1: Specifications
1.1 Specifications
Table 1-1: Rosemount 3200HP sensor specifications
Conductivity Range
> 0.4 μS/cm
Sample Temperature
0 °C to 70 °C (32 °F to 160 °F)
Sample Inlet Pressure
5 to 10 psig (134-170 kPa abs); no back pressure allowed; sample must drain to open atmosphere
Accuracy
± 0.05 pH
Noise
< 0.02 pH
Drift
< 0.05 pH per week
Sample Flow Rate
1 to 3 GPH, (60 to 180 mL/min)
Process Connections
1/4 in. FPT
Weight/Shipping Weight
5.4 lbs/7.6 lbs (2.5 kg/3.5 kg)
Wetted Materials
Silicone, polycarbonate/polyester, glass, stainless steel, PVDF, Viton
Description and Specifications 1
Specifications Reference Manual
February 2019 00809-0100-3200
1.2 Product Certifications
Please see online certificates for further details. IECEx
Ex ia IIC T4 Ga (-20 °C ≤ Ta ≤ +60 °C)
Per standards IEC60079-0 : 2011, IEC 60079-11 : 2011
ATEX
II 1 G Ex ia IIC T4 Ga (-20˚C ≤ Ta ≤ +60 °C)
Per standards EN 60079-0: 2012+A11:2013, EN 60079-11:2012
FM
Intrinsically Safe for use in Class I, II, and III, Division 1, Groups A, B, C, D, E, F, and G; Temperature Class T6 Ta = -20 °C to +60 °C
Intrinsically Safe for use in Class I, Zone 0, AEx ia IIC T6 Ta = -20 °C to +60 °C
Nonincendive for use in Class I, Division 2, Groups A, B, C, and D; Temperature Class T6 Ta = -20 °C to +60 °C
Suitable for use in Class II and III, Division 2, Groups E, F, and G; Temperature Class T6 Ta = -20 °C to +60 °C Hazardous (Classified) Locations
IS/I,II,III/1/ABCDEFG/T6 Ta = 60 °C - 1400332; Entity; I/0/AEx ia IIC/T6 Ta = 60 °C - 1400332; Entity; NI/I/2/ABCD/T6 Ta = 60 °C; S/II,III/2/EFG/T6 Ta = 60 °C; Entity Parameters
Per standards 3600:1998, 3610:2010, 3611:2004, 3810:2005
CSA
Intrinsically Safe and Non-Incendive:
Class I, Division 1, Groups ABCD; Class II, Division 1, Groups EFG; Class III; Class I, Division 2, Groups ABCD; Ex ia IIC; T6; Ambient temperature rating -20°C to +60°C: (Simple Apparatus)
Per standards C22.2 No. 142 – M1987, C22.2 No 157 – M1992, CAN/CSA E60079-0:07, CAN/CSA E60079-11:02, UL 50:11th Ed., UL 508:17th Ed., UL 913: 7th Ed., UL 60079-0: 2005, UL 60079-11: 2002
2 Description and Specifications
Reference Manual Installation
00809-0100-3200 February 2019
Section 2: Installation
2.1 Unpacking and Inspection
Inspect the outside of the carton for any damage. If damage is detected, contact the carrier
immediately. Inspect the instrument and hardware. Make sure all items in the packing list are
present and in good condition. Notify the factory if any part is missing.
2.2 Mechanical Installation
1. Refer to Figure 2-1 for dimensions of the mounting plate and the positions and diameter of the mounting holes.
2. Remove the bag containing the diffuser plate from the flow cell. Place the diffuser plate flat in the bottom of the flow cell. See Figure 2-2. Do not install the sensor yet.
3. Connect the sample and drain lines to the flow cell. Process connections are ¼ inch FNPT.
Note: The flow cell must drain immediately to open atmosphere. Do not use a long or convoluted drain line.
Figure 2-1: Dimensional Drawing for Rosemount 3200HP
Installation 3
Installation Reference Manual
February 2019 00809-0100-3200
igure 2-2: Rosemount 3200HP
F
2.3 Putting the Rosemount 3200HP Sensor in Service
1. Wire the cable to the transmitter. See the wiring diagrams in the wiring section.
2. Start the sample flow to fill the flow cell with water.
3. Unscrew the plastic nut on the flow cell and slip the nut over the sensor. See Figure 2-1.
4. Remove the vinyl cap from the end of the sensor and place the sensor in the water in the flow cell.
CAUTION
The solution in the protective cap may cause skin or eye irritation.
Note: Keep the capillary disc wet. See Figure 2-7. If the disc dries out, it cannot be rehydrated, and
it must be replaced.
Note: Do not remove the shipping plug from the tube connected to the sensor.
5. Lift the reservoir bottle out of the clip holding it to the backplate.
6. Unscrew the cap and lay it on its side in a clean place. Do not remove the protective cap attached to the filter.
4 Installation
Reference Manual Installation
00809-0100-3200 February 2019
7. Pour 500 mL of reference solution (PN 9210391) into the reservoir. Replace the reservoir
ap.
c
. Remove the shipping plugs from the reservoir filter and the electrolyte tube.
8
9. Connect the electrolyte tube to the filter by pressing the luer fitting on the tube onto the luer fitting on the filter.
10. Invert the reservoir and slide it back into the clip. A few drops of solution may drip out of the air vent.
11. Bleed air bubbles from the electrolyte tube and sensor.
a. Loosen the bleed screw until it is engaged by only about one thread. Watch for
bubbles flowing down the electrolyte tube and out the bleed port. See
b. Once the last bubble has appeared at the bleed port allow an additional 2 mL of
solution to escape. Use a paper towel to soak up the electrolyte. Tighten the bleed screw. See Figure 2-4.
c. Bubbles may still remain trapped in the sensor. To remove them, take the sensor out of
the flow cell and hold it with the end of the sensor slightly tilted above horizontal. Keep
the capillary disc facing up. Loosen the bleed screw and let about 2 mL of solution
escape. See Figure 2-5.
Figure 2-3
d. Rotate the sensor slightly in the direction shown by the arrow in Figure 2-6 until the
capillary disc is about 60° from vertical. Watch for bubbles leaving the port. Bleed an
additional 2 mL of solution after the last bubble has escaped. Tighten the bleed screw.
Figure 2-3: Rosemount 3200HP
Figure 2-5: Rosemount 3200HP
Figure 2-4: Rosemount 3200HP
Figure 2-6: Rosemount 3200HP
Installation 5
Installation Reference Manual
February 2019 00809-0100-3200
12. Connect the VP cable to the sensor. The sensor connector is keyed to ensure proper mating with the cable receptacle. Once the key has slid into the mating
lot, hand tighten the connection by turning the
s knurled ring clockwise.
13. Place the sensor in the flow cell. Be sure the capillary disc faces forward. Tighten the flow cell nut.
14. Adjust the sample flow until it is between 1 and 3 gph (60 to 180 mL/min). For best results flow should be constant.
Figure 2-7: Rosemount 3200HP
6 Installation
Reference Manual Wiring
00809-0100-3200 February 2019
Section 3: Wiring
3.1 Wiring for Rosemount 3200HP
The Rosemount 3200HP sensor is available with Variopol (VP) quick disconnect cable only.
For other wiring diagrams not shown below, please refer to the Liquid Transmitter Wiring Diagrams.
Table 3-1: VP6 and VP8 Cable
Cable Length VP6 VP8
10 ft. (3.0 m) 23645-10 24281-06
20 ft. (6.1 m) 23645-11 24281-07
30 ft. (9.1 m) 23645-12 24281-08
If the part number is missing or not visible, identify the cable by disconnecting it from the sensor and counting the number of gold contacts on the cable receptacle (not on the sensor). VP6 cable
has six contacts; VP8 has eight contacts.
Figure 3-1: Rosemount 3200HP Sensor Wiring to Rosemount 1056/56 Transmitters
Installations 7
Wiring Reference Manual
February 2019 00809-0100-3200
Figure 3-2: Rosemount 3200HP Sensor Wiring to Rosemount 1057 Transmitter
8 Installation
Reference Manual Wiring
00809-0100-3200 February 2019
Figure 3-3: Rosemount 3200HP Sensor Wiring to Rosemount 1066 Transmitter
Figure 3-4: Rosemount 3200HP Sensor Wiring to Rosemount 5081 Transmitter
Installation 9
Wiring Reference Manual
February 2019 00809-0100-3200
10 Installation
Reference Manual Calibration
00809-0100-3200 February 2019
Section 4: Calibration
4.1 Calibration
1. Select two stable buffer solutions. Ideally, the calibration buffers should bracket the expected pH of the sample and be at least two pH units apart. Use the ring at the bottom of the back plate to hold the beaker containing the buffer.
2. Most pH meters offer automatic buffer recognition. Automatic buffer recognition means the instrument automatically calibrates using the correct pH for the buffer temperature. (The pH of a buffer, particularly one with alkaline pH, changes as the temperature changes.) If the meter does not have automatic buffer recognition, refer to the label on the buffer bottle for a table of pH versus temperature.
3. Remove the sensor from the flow cell and rinse it with deionized water. Immerse it in the first buffer. Be sure the capillary disc is completely submerged. Gently swirl the sensor in the buffer for a few seconds. Allow the sensor and buffer to reach the same temperature. Once pH readings are stable, start the calibration. Follow the procedure in the transmitter Reference Manual.
4. After the sensor has been calibrated in the first buffer, remove and rinse it with deionized water. Place the sensor in the second buffer and complete the calibration.
5. After the calibration is complete, check the slope and intercept of the sensor. The slope should be between 56 and 60 mV/pH and the offset should be between -20 and 20 mV.
Calibration 11
Calibration Reference Manual
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12 Calibration
Reference Manual Maintenance
00809-0100-3200 February 2019
Section 5: Maintenance
5.1 Replacing the Electrolyte Solution (PN 9210391)
The reference electrolyte solution should last two to three months.
To replace the electrolyte solution:
1. Remove the reservoir bottle from the clip on the back plate. Turn the bottle upright.
2. Unscrew the cap without disconnecting the filter or electrolyte tube. To avoid twisting the electrolyte tube, turn the bottle, not the cap. To keep the cap and air inlet tube clean, hang the cap from the reservoir clip using the electrolyte tube.
3. Discard any remaining fill solution.
4. Pour 500 mL of new reference fill solution (PN 9210391) into the reservoir.
5. Replace the cap. Remember to turn the bottle, not the cap.
6. Invert the bottle and reattach it to the clip.
7. Bleed air bubbles from the tube and sensor. Refer to step 11 in the Putting the Rosemount
3200HP Sensor in Service (Section 2.3)
5.2 Replacing the Capillary Disc (PN 34142-00)
The reference capillary is protected by two filters, one on the inside of the disc and the other on the sample side. During normal operation, suspended solids in the sample coat the filter and hinder flow through the capillary. Occasionally, bacterial or fungal growth in the electrolyte solution will coat the inside filter. Eventually, as the coating builds up, the electrolyte flow becomes too low and the capillary disc must be replaced. The typical symptom of a blocked capillary disc is abnormally low use of electrolyte (500 mL of electrolyte should last no more than two months) or pH readings significantly lower (0.5 pH) than expected.
The capillary disc will also become blocked if the filters are allowed to dry out. Dried out filters cannot be rehydrated. They must be replaced.
To replace a capillary disc:
1. Lift the electrolyte reservoir out of the clip on the back plate. Turn the bottle upright and disconnect the electrolyte tube from the filter. Place the shipping plug on the filter.
2. Disconnect the VP cable from the sensor and remove the sensor from the flow cell.
3. Hold the sensor in a horizontal position with the capillary disc pointing up. Use a small screwdriver to gently pry the disc and O-ring out of the gland. Take care not to scratch the gland. See Figure 5-1.
4. Remove the replacement capillary disc and O-ring from the container. Be careful not to touch the white filter membrane portion of the disc with your fingers. Wear latex gloves
if necessary.
5. Place the sealing O-ring on the back side of the replacement capillary disc. See Figure 5-
1. Put the disc aside in a clean place. Keep the capillary disc wet. If the disc dries out it cannot
be rehydrated and must be replaced.
Maintenance 13
Maintenance Reference Manual
February 2019 00809-0100-3200
6. Fill the reference junction port with electrolyte solution or deionized water until the level slightly overflows the port.
7. Place the new capillary disc with the sealing O-ring facing down in the port. Use your finger tips – do not let your bare fingers touch the white filter membrane – to push the capillary disc straight into the port. See Figure 5-1. If inserting the disc is difficult, place the open end of a clean ¼ inch compression fitting nut on the transparent portion of the disc and push the disc into place by gently press straight down on the nut.
8. Reconnect the VP cable to the sensor. Place the sensor back in the flow cell and reattach the electrolyte tube to the reservoir filter.
9. Slide the reservoir back into the clip.
10. Bleed air bubbles from the tube and sensor. Refer to step 11 in the Putting the Rosemount
3200HP Sensor in Service (Section 2.3)
Figure 5-1: Replacing the capillary disc
14 Maintenance
Reference Manual Troubleshooting
00809-0100-3200 February 2019
Section 6: Troubleshooting
6.1 Troubleshooting
Table 6-1: Troubleshooting
Trouble Probable Cause Remedy
pH reading is in error
Noisy reading Sample flow is too high. Adjust sample flow to between 1 and 3 gph (60 to 180 mL/min).
pH readings drift
Electrolyte flow is too low bubbles are blocking flow or the inside membrane on the capillary disc is fouled with biological growth.
Capillary is plugged. Replace capillary.
Sensor was not properly calibrated. Check buffers for freshness and replace if necessary. Pay partic-
Sensor is not properly oriented in flow cell. Orient sensor so that capillary disc faces the front.
Electrolyte flow is too low – bubbles are blocking flow or the inside membrane on the capillary disc is fouled with biological growth.
Sensor is dirty. Clean the outside capillary filter by rinsing with deionized water.
Unstable sample. Fluctuations in sample flow can cause slight changes in pH
1. Remove air bubbles. Refer to step 11 in the Putting the
Rosemount 3200HP Sensor in Service (Section 2.3).
2. Discard the fill solution in the reservoir and sensor. Rinse the reservoir and sensor with fresh fill solution. Replace with fresh solution. Replace reservoir filter.
ular attention to alkaline buffers, which can become contami­nated with atmospheric carbon dioxide. Review calibration procedure and repeat calibration.
1. Remove air bubbles. Refer to step 11 in the Putting the
Rosemount 3200HP Sensor in Service (Section 2.3).
2. Discard the fill solution in the reservoir and sensor. Rinse the reservoir and sensor with fresh fill solution. Replace with fresh solution. Replace reservoir filter.
Clean the pH glass bulb by rinsing with dilute hydrochloric acid. Recalibrate the sensor after cleaning.
reading. Keep sample flow constant. Be sure the sample drains immediately to open atmosphere.
Note: For any repair or warranty inquiries please contact our Customer Care group.
Diagnostics and Troubleshooting 15
Troubleshooting Reference Manual
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16 Troubleshooting
Reference Manual Accessories
00809-0100-3200 February 2019
Section 7: Accessories
7.1 Accessories
Table 7-1: Accessories for Rosemount 3200HP sensor
Part Number Description
24281-00 15 ft. cable with mating VP8 connector
24281-01 25 ft. cable with mating VP8 connector
24281-02 2.5 ft. cable with mating VP8 connector
24281-03 50 ft. cable with mating VP8 connector
24281-04 100 ft. cable with mating VP8 connector
24281-05 4 ft. cable with mating VP8 connector
24281-06 10 ft. cable with mating VP8 connector
24281-07 20 ft. cable with mating VP8 connector
24281-08 30 ft. cable with mating VP8 connector
2001492 Stainless Steel Tag
3200HP-00 3200HP Replacement pH Sensor
3200HP-OEM 3200HP pH System without Panel and without VP Cable
3200HP-OEM-01 3200HP pH System without Panel and without VP Cable, with 10 ft. VP Cable
3200HP-OEM-02 3200HP pH System without Panel and without VP Cable, with 20 ft. VP Cable
3200HP-OEM-03 3200HP pH System without Panel and without VP Cable, with 30 ft. VP Cable
24185-00 HP pH Reservoir Kit
24193-00 Calibration Cup, 100 mL
24212-00 Electrolyte Tubing
33810-00 Calibration Cup Holder
34083-00 Diffuser
34132-00 Flowing Junction Capillary Kit (Capillary Disc and O-ring)
9160590 Cartridge Filter
9210391 3200HP Electrolyte Refill, 500 mL
9601025 Air Bleed Screw
9913804 Washer for Air Bleed Screw
Accessories 17
Accessories Reference Manual
February 2019 00809-0100-3200
18 Accessories
Reference Manual EC Declaration of Conformity
00809-0100-3200 February 2019
EC Declaration of Conformity
ote: Please see websitefor most recent Declaration.
N
EC Declaration of Conformity 19
EC Declaration of Conformity Reference Manual
February 2019 00809-0100-3200
20 EC Declaration of Conformity
Reference Manual EC Declaration of Conformity
00809-0100-3200 February 2019
EC Declaration of Conformity 21
China RoHS Table Reference Manual
February 2019 00809-0100-3200
22 China RoHS Table
ANY FM APPROVED
ASSOCIATED APPARATUS
HAVING ENTITY PARAMETERS
NO
N-
H
AZARDOUS
(UNCLASSIFIED)
AREA
CLASS I, II, III, DIVISION 1, GROUPS A-G
T6 Ta = 60C
SENSOR
ENTITY PARAMETERS
Ui = 13.1U, Ii = 358mA
Pi = 698 m W
Ci = 0.967 F, Li = 0.1mH
1. NO REVISION TO THIS DRAW ING IS PERM ITTED W ITHO UT
FM APPROVAL.
2. U
m ax
> U
t
; I
m ax
> I
t
; (C
i
OF ALL LOO PS + C CABLE) < C
a
;
(L
i
OF ALL LOOPS + L CABLE) < L
a
, P
m ax
OR P
i
> P
0.
3. SINGLE M ULTI-CHANNEL
IS BARRIER OR APPARATUS M UST BE FM APPROVED,
4. SINGLE M ULTI-CHANNEL
IS BARRIER OR APPARATUS M ANUFACTURE’S
CONTROL DRAW INGS M UST BE FOLLOW ED W HEN INSTALLING THE SYSTEM .
IS BARRIER OR EQUIPM ENT M AY BE INSTALLED W ITHIN THE HAZARDOUS
(CLASSIFIED) LOCATIO N FOR W HICH IT IS APPROVED
.
5. INSTALLATIO N M UST BE IN ACCORDANCE W ITH ARTICL
E 500 OF THE NEC
(ANSI/NFPA 70) AND ANSI/ISA RP 12.6.
W ARNING: SUBSTITUTIO N O F COMPONENTS M AY IM PA
IR INTRINSIC SAFETY.
6. pH & AM PEROM ETRIC SENSORS W ITHO UT PREAM PS ARE SIM PLE APPARATUS.
ZON E
ZONE 0
7. CONTROL EQUIPM ENT CONNECTED TO THE ASSO CIATED APPARATUS M UST
NOT USE OR GENERATE M O RE THAN 250V.
RESISTANCE BETW EEN INTRINSICALLY SAFE GROUND AND EARTH GROUND
M UST BE LESS THAN OR EQUAL TO 1 OHM .
ANY
FM APPROVED TRANSMITTER FOR
DIVISION 1 W ITH INTRINSICALLY SAFE
OUTPUT PARAMETERS. THIS
FM
APPROVED DEVICE M UST BE INSTALLED
PER ITS INSTALLATION DRAW ING.
FM
APPROVED EQUIPM ENT (M AY BE
M ULTIPLE DEVICES, NUMBER IS LIM ITED
BY REQUIREMENTS TO M EET ALL OTHER
IS REQUIREMENTS FOR THE NETWORK)
W ITH EQUIVALENT HAZARDOUS AREA
APPROVALS.
H
AZARDOUS
(CLASSI
F
IED)
AREA
INTRISICALLY SAFE
9. pH/ORP SENSOR M O DELS THAT M AY CONTAIN THE PREAM PLIFIER:
3900/VP
3500/VP
3300HT/VP
3400HT/VP
396/VP
396R/VP
396P/VP
398R/VP
399/VP
389/VP
385/385+
10. W ARNING: TO PREVENT IGNITION OF FLAM M ABLE OR COM BUSTIBLE
ATMOSPHERES, DISCONNECT POW ER BEFORE SERVIC
ING.
11. THE ENTITY CONCEPT ALLOW S INTECONNECTION OF INTRINSICALLY SAFE
APPARATUS W ITH ASSO CIATED APPARATUS W HEN THE FOLLO W ING IS TRUE:
U
i
> U
o;
I
i
> I
o;
P
i
> P
o;
C
o
> C
i
+ C CABLE; L
o
> L
i
+ L CABLE.
12. COPY REVISIONS TO 1400332 TO pH/ORP SHIPPING M ANUALS.
13 Ci INCLUDES THE CAPACITANCE OF 500 FEET OF SENSOR CABLE.
13
DW G NO.
1400332
8.
Reference Manual FM Installation
00809-0100-3200 February 2019
Intrinsically Safe Sensor Installation Drawing - FM
FM Installation 23
00809-0100-3200
Rev. AA
February 2019
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