TPS WP-87 User manual

Congratulations !
You have purchased the latest in Handheld Temperature
instrumentation. We trust that your new WP-87 will give you many years
of reliable service.
The WP-87 is a breeze to operate. This manual has been designed to
help you get started, and also contains some handy application tips. If at
any stage you require assistance, please contact either your local TPS
representative or the TPS factory in Brisbane.
The manual is divided into the following sections:
1. Table of Contents
Each major section of the handbook is clearly listed. Sub-sections
have also been included to enable you to find the information you
need at a glance.
2. Introduction
The introduction has a diagram and explanation of the display and
controls of the WP-87. It also contains a full listing of all of the items
that you should have received with your WP-87. Please take the time
to read this section, as it explains some of items that are mentioned
in subsequent sections.
3. Main Section
The main section of the handbook provides complete details of the
WP-87, including operating modes, calibration, troubleshooting,
specifications, and warranty terms.
4. Appendices
Appendices containing background information and application notes
are provided at the back of this manual.
TPS Pty Ltd
4 Jamberoo Street
Springwood, Brisbane,
Australia, 4127
Phone : [phone]
International : 61 7 32 900 400
Fax : [phone]
International : 61 7 3808 4871
E-mail : [email protected]
Web Site : www.tps.com.au Model WP-87
Multi Channel Logging
Digital Thermometer
Version : 2.3
Date : 30-Aug-2005
Author : AB

Page 2 Contents
1. Introduction.......................................................................................4
1.1 WP-87 Display and Controls..................................................................4
1.2 Unpacking Information...........................................................................7
1.3 Specifications.........................................................................................8
2. WP-87 Menu Structure......................................................................9
3. Display Units...................................................................................10
4. Number of Channels.......................................................................11
5. Calibration.......................................................................................12
5.1 Calibration Procedure for 1 Channel Operation...................................12
5.2 Calibration Notes..................................................................................13
5.3 Calibration Messages...........................................................................13
5.4 Calibration Procedure for Multi Channel Operation.............................15
5.5 Calibration Notes..................................................................................16
5.6 Calibration Messages...........................................................................18
6. Difference Mode..............................................................................19
7. Maximum/Minimum Mode..............................................................20
7.1 Starting and Stopping Maximum/Minimum Mode................................20
7.2 Recalling Maximum/Minimum Data .....................................................21
7.3 Printing Maximum/Minimum Data........................................................21
7.4 Erasing Maximum/Minimum Data........................................................22
8. Data Hold Function.........................................................................23
9. Good Laboratory Practices (GLP).................................................24
9.1 To recall GLP information on the display.............................................24
9.2 Failed Calibration.................................................................................26
9.3 Printing GLP Information to the RS232 Port........................................26
9.4 Instrument Serial Number....................................................................27
9.5 Additional GLP Features......................................................................27
10. Notepad Function........................................................................28
10.1 Recording Readings into the Notepad.............................................28
10.2 Recalling Records from the Notepad...............................................28
10.3 Erasing Records from the Notepad..................................................29
10.4 Printing Records from the Notepad to the RS232 Port....................30
11. Automatic Datalogging...............................................................31
12. RS232 Port...................................................................................33
12.1 Setting the Baud Rate......................................................................33
12.2 Sending Readings to the RS232 Port..............................................33

Page 3
12.3 RS232 Configuration........................................................................ 33
12.4 Communication and Statistical Software......................................... 33
12.5 Commands.......................................................................................34
12.6 Data Format..................................................................................... 35
12.7 GLP Format .....................................................................................36
13. Battery Saver Function .............................................................. 37
14. Recharging the Battery.............................................................. 38
15. Clock Function............................................................................ 39
15.1 Setting the Clock..............................................................................39
15.2 Displaying or Hiding the Clock.........................................................40
16. Initialising the WP-87.................................................................. 41
17. Instrument firmware version number.......................................41
18. Troubleshooting .........................................................................42
18.1 General Errors .................................................................................42
18.2 Temperature Troubleshooting.......................................................... 42
19. Warranty......................................................................................43

Page 4
1. Introduction
1.1 WP-87 Display and Controls

Page 5
1
Press to record readings into the Notepad. See 10.1.
Also used to select readout units at turn-on. See section 3.
2
Press to show or hide the date and time. See section 15.2.
Also used at turn-on to select the number of channels to be
displayed.
See section 4.
3
Press to start or stop automatic logging. See section 11.
Alternatively, press to transmit current reading plus date and time to
the RS232 port, when Automatic Logging is disabled. See section
12.2.
4
Press to select Difference Mode when the unit is in 2, 3 or 4 channel
readout. See section 6.
5
Press to access the user-friendly menu system which makes the WP-
87 a breeze to operate.
6and 8
The and keys are used when calibrating temperature readout
(section 5), setting the clock (section 15.1), setting the automatic
logging period (section 11), and displaying GLP information (section
9.1).
The key is also used to intialise the WP-87 at turn-on (section 16),
and to toggle the Data Hold function on and off (section 8).
7
Switches the WP-87 on and off.
9Display

Page 6 32 character alpha-numeric display with user-friendly menu
and prompting system. Shows all temperature channels
simultaneously. Date and time can also be displayed.

Page 7
1.2 Unpacking Information
Before using your new WP-87, please check that the following
accessories have been included: Part No
1. WP-87 MultiLog Temperature Instrument............... 124110
2. Temperature Sensor............................................... 121247
3. Battery charger ....................................................... 130037
4. WP-87 Handbook ................................................... 130050
Optional sensors that may have been ordered with your WP-87:
1. Dual temperature sensor........................................ 121251
(Required for three or four channel readout)
2. Stab type temperature sensor ................................121249
Options that may have been ordered with your WP-87:
1. RS232 Serial Interface Cable ................................. 130041
2. Communication software for Windows® 3.1, 3.11.. 130086
and 95
3. USB to Serial Adaptor (required 130041 also)........130087
4. Hard Carry Case..................................................... 130059
5. Battery charger lead for 12V cigarette lighter socket130046
6. Solar Panel.............................................................130012
7. RS232 Printer......................................................... 130031
Other spares:
1. 6V NiCad Battery....................................................130038

Page 8
1.3 Specifications
Ranges : -45.0 to 120.0 OC
-49.0 to 230.0 OF
228.0 to 383.0 OKelvin
Resolution : 0.1
OC, OF and OKelvin
Accuracy : ±0.2
OC, ±0.4 OF, ±0.2 OKelvin
Memory : 2400 readings including date and time
Automatic Logging : User-set for one reading every 1 to 90
seconds,
1 to 90 minutes, or 1 to 24 hours.
Maximum/Minimum mode :Stores maximum and minimum values for all
enabled channels.
Data Hold Function : Freezes current readings on the display.
Difference mode :Displays difference between Channels A and B
and Channels C and D, depending on which
ones are currently enabled.
RS232 Output : 300, 1200, 9600 & 19200 baud.
8 bits, no parity, 1 stop bit, XON/XOFF
Protocol.
Clock : Calendar clock displays date, month, hours,
minutes & seconds.
Year is recorded in memory and transmitted to
the RS232 port, but is not displayed.
Battery Saver : On : Auto switch-off after 5 minutes
Off : Continuous use
Bar Graph display of battery charge level.
Readout of battery voltage available for
troubleshooting.
Good Laboratory Practices: Date, Time and Value of last successful
offset and last span calibration are stored, and
can be recalled or sent to the RS232 port at
any time.
Offset Range : ±10.0 OC, ±20.0 OF and ±10.0 OKelvin
Span Range : 90.0 to 110.0 %
Power : 6V NiMH Rechargeable Battery for approx 50
hours operation.
Dimensions : 187 x 110 x 51 mm
Mass : Instrument only : Approx 440g
Full Kit : Approx 1.0kg
Environment : Temperature : 0 to 45 oC
Humidity : 0 to 90 % R.H.

Page 9
2. WP-87 Menu Structure
A detailed breakdown of the menu system of the WP-87 is shown below.
This diagram provides a quick reference for the menu functions available
for the WP-87.
→F1:Cal. →F1:Single Channel
F3:All Channels
This menu is skipped when 1
channel mode is selected.
→F2:Notepad →F1:Recall
F2:Erase
F3:Print
F4:Prog
→F1:Min
F2:Sec
F3:Hr
↑↓:Set Period
F3: MAX
MIN→F1:Recall
F2:Erase
F3:Print
F4:Start/Stop
F4:Setup →F1:Batt →F1:OFF
(Disable Battery Saver)
F2:ON
(Enable Battery Saver)
F2:Clock
F3:GLP
→F1:Recall
F3:Print
F4:Baud
→F1:300
F2:1200
F3:9600
F4:19200

Page 10
3. Display Units
The WP-87 can display temperature in degrees Celsius, Fahrenheit or
Kelvin.
To change the display units…
1. Make sure that all data stored in memory and Maximum/Minimum
data has been noted, downloaded, or printed as required. This data
must be erased before the display units are changed.
See section 10.3 for details on how to erase the Notepad memory.
See section 7.4 for details on how to erase the Maximum/Minimum data.
2. Switch the WP-87 OFF with the key.
3. Now press and hold the key while switching the WP-87 back on.
The following message is displayed.
Select F1:OC F2:OF
Units F3:OK
Press to select readout in degrees Celsius.
Press to select readout in degrees Fahrenheit.
Press to select readout in degrees Kelvin.
4. If the Notepad memory or Maximum/Minimum data have not yet been
erased, then the WP-87 will ask you if you would like to erase them
now…
Must First Erase
Notepad/Max/Min then Erase, You Sure? F1:Yes F2:No
Press to Erase all stored readings and Maximum/Minimum data.
Press to abort, and save all stored readings and Maximum/Minimum
data.