Delta HD207 Series, HD227 Series, HD206-1, HD206 Series, HD226 Series Instruction Manual
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Minidatalogger – Instructions Manual
HD207… / HD227… Temperature
HD206… / HD226… Temperature / Relative Humidity
HD206…/HD226… and HD207…/HD227… series dataloggers
for a long-term reliable monitoring of temperature and temperature/relative humidity measurements. They are available in different versions: with or without LCD display, with sensors either
inside or outside the instrument housing, or with cable connection. The analysis of logged data is
made using Delta Log2 software for Windows.
The datalogger functions of Start, Stop, Configuration, Data Download and Setting of logging interval are selectable either from keyboard or from a computer. Through a computer, you can define
a password to enable the access to configuration data.
Typical applications are: monitoring of temperature/humidity during transportation, storage of
fresh or frozen foods, fruit, vegetable products and flowers, pharmaceuticals, sensitive and
photo-graphic products, paper as well as laboratory activities in general.
Configuration and data download to a PC or to a printer are very easy: DeltaLog2 dedicated software guides the operator step by step.
SIT calibration certificates are available on all versions.
HD207 and HD227 dataloggers with sensor inside the instrument housing are compliant to
the European Standard EN 12830:1999 (S, T, C, D, 1) if operated in conjunction with the
DeltaLog2 application software from version 2.5.
are low-cost, rugged instruments
52 36
Display
Keyboard
cover
Temperature or
temperature/
humidity
external sensor/s
Socket
for RSR232C or for
external probes
2
External
temperature
sensor
889
Built-in
temperature
sensor
16
5
Description
1
2
3
4
5
HD207 HD207-1
-199.9
HD206-1 HD206-2
1
26
37
4
5
-199.9
8
9
10
11
8
12
HD226... HD227...
13
14 17
15
Alarm Log
1) Low battery: low battery indication
2) ALRM symbol (ALARM): when alarms are active, it indicates that one or more than one of
the acquired values have exceeded set limits.
3) LOG symbol (LOGGING): it flashes when logging.
4) T1 ON/OFF and ENTER key: it switches the instrument on and off; when programming, it
confirms the step of the current program.
5) T2 LOG key (LOGGING): it starts and stops data acquisition
6) %RH symbol: it indicates that the display is showing a relative humidity measure
7) °C/°F symbol: it indicates that the display is showing a temperature measure (°C / °F selec-
tion is made from PC)
8) T4 PROG and
when programming, it decreases the displayed value.
key : this key is used to access the instrument different programming steps;
16
18
3
9) T3 F1/F2 and
played between temperature (fixed) and relative humidity (fixed) or both of them, alternately.
When programming, it increases the displayed value.
10) Te symbol: it indicates that the display is showing the temperature of the external probe (op-
tional).
11) Ti symbol: it indicates that the display is showing the tem perature of the built-in sensor.
12) T3 F1/F2 and
between internal temperature (fixed), external one (fixed) or both of them, alternately. When
programming, it raises the displayed value.
13) Alarm LED (ALARM): the red LED flashes to indicate that one or more acquired values have
exceeded the set-point and/or that battery is flat. During the battery test, it produces a series of
close flashings indicating that battery is low and that it has to be replaced as soon as possible.
14) T1 ON/OFF and LOGGING key: it starts and stops a logging session .
15) T2 Key not used.
16) LOG LED (Logging): the green LED flashes when the instrument is logging. During the battery test, it produces a series of close flashings indicating that the battery is charged.
17) T4 BATTERY TEST key: key to be used to check the battery level. If the battery is charged,
the green LED (LOG) makes a series of close flashings. If it is low, the red LED (Alarm)
flashes.
18) T3 Key not used
4
key: in HD206-1 and HD206-2 models, it selects the variable to be dis-
key: in HD207 and HD207-1 models, it selects the variable to be displayed
Keyboard Protection Cover
All datalogger models are provided with a 4-key keyboard:
in HD226… and HD227… the two central keys are not
used. The keyboard is protected by a cover indicating on the
front the functions of the keys below. The cover is pressed
in its lodgement: to access keys, open the cover using your
nail as a lever on one of the two lateral slots.
Connecting the External Probes
Temperature and temperature/humidity external probes (according to
the model), as well as the serial cable for the connection to a PC,
have to be connected through the socket placed at the base of the instrument. As shown in the picture aside, on the instrument connector
there is a triangle that helps the user in inserting the probes: the vertex of this triangle has to be aligned with the arrow on the probe connector. When inserting, keep the instrument socket and the probe
connector aligned; do not try to insert the connector in a different position: the connector might be damaged irreparably.
TRIANGLE
ON THE
INSTRUMENT
ARROW ON THE
CONNECTOR
5
View (for HD206… and HD207… models)
To switch the instrument on, open the keyboard cover and press the ON/OFF key. On the models
that measure two quantities (temperature and humidity or internal and external temperature), select
the variable to be viewed by using the F1/F2 key. If the key is pressed repeatedly, either the first
variable, the second one or, finally, the two variables alternately will be displayed. A triangle on the
display indicates the variable currently viewed: temperature or humidity in correspondence with
°C/°F and %RH; internal or external temperature in correspondence with Ti and Te.
If you select the single-channel view and an alarm becomes true, the instrument will automatically
turn to the alternating view to be able to display the alarm diagnostic. When the external probe with
cable (temperature or temperature/humidity probe) isn't connected, the message "Und" appears on the
display referred to the temperature channel and the message "ERR" referred to the R.H. channel: in
this case use the F1/F2 key to let the unused measuring channel disappear.
Programming from Keyboard (for HD206… and HD207… models)
The logging operation requires the preventive setting
of some parameters. The PROG key allows to access
the programming functions: if pressed repeatedly, the
different program steps will scroll from P00 to P10 and
again to P00 in a circular routine.
Once you have reached the desired step, press ENTER
to change its value. To go back to the view mode, press
ENTER from P00 step. The instrument programming
can also be made from a PC using DeltaLog2 program.
P00 P01 p02 … p10 p00
ENTER
6
It allows to Quit Programming and Jump to View.
P00
ENTER
199.9
Setting the Sampling Interval.
Select the interval between two consecutive acquisitions through T3 and T4 keys. The following fixed intervals are available: 1, 5, 10, 30 seconds (“), 1, 5, 10, 15, 30 minutes (‘),
1 hour (H). Press ENTER (T1) to confirm.
Sampling interval and display up-dating times are the same up to 30 seconds and have
the same rate; for longer sampling intervals, the display updates every 30 seconds (fixed).
7
P01
“01 ...”30 ‘1 … ‘30, H0 1 “30
ENTER
[ ] [ ]
ENTER
Selecting Logging Start and Stop Modes.
Manual (“man” on display): acquisition start and stop are controlled by the LOG key.
Auto (“dat” on display): acquisition start and stop are performed in accordance with the date
and the time set from the instrument keyboard (see P04 and P05 steps) or from
PC (see DeltaLog2 software).
If the auto mode is enabled, P03, P04 and P05 steps are disabled, but the LOG key (instant
start and stop) remains always enabled.
P02
[ENTER][ENTER]
8
[ENTER]
2
[ ] [ ]
1
Setting the Instrument Time and Date.
Time and date options are viewed according to the following order: year (“Y” followed by the
last two digits of the year), month (“
T4 keys to edit the different parameters, press ENTER (T1) to confir m.
Warning: access to this step of the program is denied if P02 step has been set on auto (“dat”):
to be able to edit time and date, P02 has to be configured as “man”.
”), day (“d”), hours (“H”) and minutes (‘): use T3 and
P03
31
ENTER
[ ] [ ]
2
1
DAY HOUR MINUTES
y0 1
[ ] [ ]
12
YEAR
ENTERENTERENTER
H13
ENTER ENTER
[ ] [ ]
2
1
2
12
[ ] [ ]
MONTH
‘55
[ ] [ ]
1
12
9
10
Setting Time and Date of Automatic Logging Start.
See the sequence of figures shown at step P03.
Warning: access to this step of the program is denied if P02 step has been set on auto (“dat”):
to be able to edit time and date, P02 has to be set on “man”.
After setting start
mode.
Setting Time and Date of Automatic Logging stop
Refer to the sequence of figures shown at step P03.
Warning: access to this step of the program is denied if P02 step has been set on auto (“dat”):
to be able to edit time and date, P02 has to be set on “man”.
After setting start
mode.
Setting Alarm Set-points for the First Input Channel (Temperature in HD206-1 and
HD206-2 models and Internal Temperature in HD207 and HD207-1 models).
When acquiring, if temperature exceeds set limits (either low or high), the
in correspondence with the ALRM indication (on display): the indication remains even if temperature then falls into the limits again. This function is active if enabled through the P07
program.
When at P06, press ENTER to set low temperature set-point (“LOU”): use T3 (
) keys to set the desired value, corresponding to the alarm low limit, press ENTER (T1) to
(
confirm. Then set high temperature set-point (“HIG”): use T3 (
the desired value, corresponding to the alarm high limit, press ENTER (T1) to confirm.
and stop time and date, P02 has to be set on “dat” to enable the auto logging
.
and stop time and date, P02 has to be set on “dat” to enable the auto logging
symbol lights up
) and T4
) and T4 ( ) keys to set
P06
lou
0.0
ENTER
ENTER
hig
ENTER
ENTER
ENTER
[ ]
[ ]
1
2
50.0
[ ]
[ ]
1
2
Activating Alarm Set-points for the First Input Channel (Temperature in HD206-1 and
HD206-2 models and Internal Temperature in HD207 and HD207-1 models).
The instrument indicates that temperature alarm limits (as set at P06 step) have been exceeded
by lighting up the
able this function, use T3 (
symbol in correspondence with the ALRM indication on display. To en-
) and T4 ( ) keys to select ON and press ENTER (T1) to con-
firm.
11
P07
off
ENTER
Note: the alarm indication remains even if, after going out of range, the measurement returns to set limits. To reset previous alarm indications, set OFF and press ENTER (T1)
to confirm.
Setting Alarm Set-points for the Second Input Channel (relative humidity in HD206-1 and
HD206-2 models and External Temperature in HD207 and HD207-1 models).
When acquiring, if the measurement related to the second input channel exceeds set limits (either low or high), the
symbol lights up in correspondence with the ALRM indication (on
display): the indication remains even if the measurement value then falls into the limits again.
This function is active if enabled through P09 program.
When at point P08, press ENTER to set the low set-point (“LOU”): use T3 (
keys to set the desired value, corresponding to the alarm low limit, press ENTER (T1) to confirm. Then set the high set-point (“HIG”): use T3 (
value, corresponding to the alarm high limit, press ENTER ( T1) to confirm.
See the sequence of figures shown at P06 step.
12
ENTER
[ ] [ ]
12
) and T4 ( ) keys to set the desired
) and T4 ( )
Activating Alarm Set-points for the Second Input Channel/ (relative humidity in HD206-1
and HD206-2 models and External Temperature in HD207 and HD207-1 models).
The instrument indicates that humidity and external temperature alarm set-points (as set at step
P08) have been exceeded and lights up the
ALRM indication. To enable this function, use T3 (
symbol on display in correspondence with
) and T4 ( ) keys to select ON, then
press ENTER to confirm (T1).
P09
Note: the alarm indication remains even if, after going out of range, the measurement re-
off
[ ] [ ]
12
turns to set limits. To reset previous alarm indications, set OFF and press ENTER (T1)
to confirm.
Setting the Instrument in a Default Configuration.
“deF” indication appears: press ENTER (T1) to confirm or T4 to jump to P0 without making
any change.
The default configuration allows to set the following parameters:
• Sampling time: 5 sec
• Manual Start
• Endless Loop Memory: OFF
• Alarm set-points for the first channel: OFF
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• Alarm set-points for the second channel: OFF
• Reset of latched alarms
def
P10
ENTER
ENTER
def p00
[T4] ENTER
Logging (for HD206… and HD207… models)
Two logging modes are available: manual and auto. In manual, the LOG key commands logging start
and stop; in auto, they are managed by entering time and date. When logging, the
the LOG indication flashes. While logging, setting of programming data is not accessible.
Refer to DeltaLog2 program for the different programming modes through a PC.
14
symbol over
Manual Logging: press the LOG key to start and stop logging. Here are the operations to be
done on the instrument keyboard; the same settings can be made from a PC using DeltaLog2
program.
1. Activate the “man” function in P02 program.
2. Set the sampling interval with P01program.
3. Set alarms, if desired, with steps from P06 to P09.
4. Start logging by pressing the LOG key: the
symbol on display, (in correspondence with
the LOG indication), will start flashing.
5. Press LOG again to stop logging.
Notes:
A) If the instrument is not logging and you press LOG, logging will start. If the instrument
built-in clock has been previously set on auto logging, the instrument will ignore the command and will go on logging. Pressing LOG or according to the automatic stop command
(the first one between the two) will interrupt logging.
B) If the instrument is already logging (either in manual or in auto), and you press LOG, log-
ging will stop. The eventual automatic stop command will be ignored.
Automatic Logging: storage start and stop are performed according to established time and
date, previously set. Here are the steps to be made from the instrument keyboard; the same settings can be made from a PC, using DeltaLog2 program.
1. Make sure that the instrument date and time are properly set (program P03)
2. Activate the “man” function in P02 program.
3. Set the sampling time with P01 program.
4. Enter start time and date using P04 program.
5. Enter stop time and date using P05 program.
6. Set alarms, if desired, using the steps from P06 to P09.
7. Activate the “dat” function in P02 program.
15
The instrument is ready to store data at the established time and date.
Note: if the stop date is prior to the start one, the instrument continues storing until memory is
full. Then it stops.
See the other notes of the previous paragraph.
22.922.9
Logging (for HD226… and HD227… models)
Logging operation requires that some parameters, such as sampling interval, storage start/stop time
and date (in case of auto logging) and alarm set-point setting, are previously set: all these operations are carried out by DeltaLog2 software. See the next paragraph about how to connect the instrument to a PC and on how to use the program (see page 23).
Two logging modes are available: manual or auto. Logging start and stop are controlled by the
LOGGING key in the first mode, and by entering time and date in the second one. When logging,
the LOG green LED flashes every 8 seconds to remind the user that the instrument is wor king.
16
When alarms have been activated and one of the alarm set-points has been exceeded while logging
(once, at least), or when battery is low, the ALARM red LED will also flash every 8 seconds. To
check if the alarm indication is due to a low battery, press the BATTERY TEST key: the instrument will make a sequence of four green flashes if battery is charged (LOG LED) and of four red
flashes if battery is low/flat (ALARM LED). The battery test can be made while logging and even
when the instrument is off.
When memory is full, the instrument switches off and, upon power-on, it makes 8 red flashes at intervals of one second.
Manual Logging: press the LOGGING key to start and stop the logging function.
HD226… and HD227… models have to be programmed from PC with DeltaLog2 program. Here
are the steps to be followed:
1. Activate the manual function.
2. Set the sampling interval
3. Set the alarm limits, if desired.
4. Press the LOGGING key to start logging: the LOG green LED will start flashing.
5. Press the LOGGING key again to stop logging.
Notes:
A) If you press the LOGGING key and the instrument is not logging, logging will start. If the
built-in clock has been previously configured for the auto logging, the instrument will ignore the
command and will go on logging. Pressing LOG or according to the automatic stop command
(the first one between the two) will interrupt logging.
B) If the instrument is already logging (either in manual or in auto), and you press LOG, logging
will stop. The following eventual automatic stop command will be ignored.
Automatic Logging: logging start and stop are performed at an established time and date, pre-
viously set using DeltaLog2 program.
1. Make sure that the instrument date and time are properly set.
2. Activate the auto start and stop function (Start Mode = Date).
17
3. Set the sampling interval.
4. Enter start time and date.
5. Enter stop time and date.
6. Set alarm limits, if desired.
Note: if the stop date is prior to the start one, the instrument continues logging until memory is full.
Then it stops. See the other notes of the paragraph above.
Low Battery Indication
The instrument is provided with a battery charge control. The low battery indication activates to inform the user that the battery needs to be replaced as soon as possible: on the models equipped with
display, the battery symbol lights up; on the models without display, the alarm red LED starts flashing. The alarm red LED also indicates that the alarm set-points have been exceeded: to understand
which is the reason of the alarm, just press the BATTERY TEST key to make a battery test. If the
green LED flashes, it means that the battery is charged and that one of the set limits has been exceeded causing the alarm. On the contrary (red LED flashing), it is necessary to check data with a
computer to find out if an alarm limit has been exceeded.
How to Replace the Battery
The minidatalogger reduced consumption grants the battery that powers the circuit a long life; when
the instrument indicates that the battery is low, it has to be replaced as soon as possible. The minidatalogger is powered by a 3.6V type ½AA Lithium battery (Diameter x Length = 14mm x 25mm)
with axial rheophores.
Before replacing battery, finish any running logging operation and switch the instrument off.
In order to avoid losing the configuration data, the battery has to be replaced within a minute.
Battery replacement has to be carried out when instrument is switched off.
18
Procedure
V
1) Loosen the screws on the rear side of the instrument.
2) Open the back of the minidatalogger.
3) Cut the rheophores of the new battery at an approx. length of 10mm.
1
~10mm
3
LITHIUM
3.6
+
4) Take off the “tulip connector” from the flat battery.
5) Remove the flat battery from its seat.
6) Insert the “tulip connector” at the top of the red wire on the + (positive) rheophore of the new
battery.
7) Insert the “tulip connector” at the top of the black wire on the - (negative) rheophore of the new
battery.
8) Fix the battery in its slot on the cover.
9) Close the instrument rear side with the screws.
19
20
3.6V
BLACK WIRE (- )
LITHIUM
+
RED WIRE (+)
Connecting to a PC
The minidatalogger can be connected to a PC having a Windows operating system through a proper
serial cable; DeltaLog2 software controls the instrument different functions directly from PC. You
can, for example:
• Program data acquisition intervals
• Dump data contained in the minidatalogger memory
• View data in graph or tabular format
• Program alarm set-points for each input channel
• Set a safety code (password) to protect data
To connect the PC to the minidatalogger, use the provided HD206/54 serial cable. The connector at
the base of the instrument is used to connect either the serial cable or the probes equipped with cable;
HD206-2 and HD226-2 have an additional connector, inside the instrument, necessary to connect the
serial cable when you have to make the relative humidity calibration of the temperature/humidity
combined probe.
The HD 206/54 serial cable is provided with a 9-pole connector: if the PC is equipped with a 25-pole
connector, use a 9-pole/25-pole adaptor.
When Should the Built-in Connector be Used?
The built-in
humidity probe. To make the connection, open the rear side of the instrument, insert the serial connector and align it properly with the arrow near the connector. (See how to open the instrument in the
paragraph concerning battery replacement).
serial connector has to be used when you have to make the calibration of the relative
21
HD206/54
V
INTERNAL
SERIAL
CONNECTOR
LITHIUM
3.6
In all other cases, you just have to disconnect the external temperature or temperature/humidity
probe, if any, and replace it with the serial cable supplied with DeltaLog2 program, as shown in the
figure below.
24.8
HD206S1
HD206/54 - RS232C
22
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