TPS WP-84 User manual

Congratulations !
You have purchased the latest in Handheld Conductivity-Salinity-Temperature
instrumentation. We trust that your new WP-84 will give you many years of
reliable service.
The WP-84 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-84. It also contains a full listing of all of the items that you should
have received with your WP-84. 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-84,
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 :www.tps.com.au
Model WP-84
Conductivity-Salinity-
Temp. Meter
Handbook Version : 2.0
Date : 05 Mar 01
Author : MS

Page 2Contents
1. Introduction.....................................................................................4
1.1 WP-84 Display and Controls.............................................................................4
1.2 Unpacking Information.....................................................................................6
1.3 Specifications....................................................................................................7
2. WP-84 Menu Structure ...................................................................9
3. Conductivity Mode........................................................................10
3.1 Selecting Conductivity Mode ..........................................................................10
3.2 Conductivity Calibration.................................................................................11
3.3 Calibration Notes............................................................................................12
3.4 Calibration Messages......................................................................................12
4. Salinity Mode................................................................................. 13
4.1 Selecting Salinity Mode ..................................................................................13
4.2 Conductivity Calibration.................................................................................14
4.3 Calibration Notes............................................................................................15
4.4 Calibration Messages......................................................................................15
5. Temperature Calibration ..............................................................16
5.1 Calibration Procedure .....................................................................................16
5.2 Calibration Notes............................................................................................16
5.3 Calibration Messages......................................................................................16
6. ATC Coefficient.............................................................................18
6.1 Setting the ATC Coefficient............................................................................18
6.2 Calculating the ATC Coefficient of a Solution ................................................19
7. Good Laboratory Practices (GLP)...............................................20
7.1 To recall GLP information on the display........................................................20
7.2 Failed Calibration...........................................................................................21
7.3 Printing GLP Information to the RS232 Port...................................................22
7.4 Instrument Serial Number...............................................................................22
7.5 Additional GLP Features.................................................................................22
8. Notepad Function.........................................................................23
8.1 Recording Readings into the Notepad..............................................................23
8.2 Recalling Records from the Notepad ...............................................................23
8.3 Erasing Records from the Notepad..................................................................23
8.4 Printing Records from the Notepad to the RS232 Port.....................................24
9. Automatic Datalogging.................................................................25

Page 3
10. RS232 Port................................................................................. 27
10.1 Setting the Baud Rate .................................................................................27
10.2 Sending Readings to the RS232 Port...........................................................27
10.3 RS232 Configuration..................................................................................27
10.4 Communication and Statistical Software.....................................................27
10.5 Commands..................................................................................................28
10.6 Data Format................................................................................................29
10.7 GLP Data Format........................................................................................30
11. Battery Saver Function.............................................................31
12. Clock Function.......................................................................... 32
12.1 Setting the Clock ........................................................................................32
12.2 Displaying or Hiding the Clock...................................................................32
13. Selecting k=0.1 or k=10 Sensors ............................................. 33
14. Initialising the WP-84 ................................................................34
15. Instrument firmware version number.......................................34
16. Troubleshooting........................................................................35
16.1 General Errors............................................................................................35
16.2 Conductivity and Salinity Troubleshooting..................................................36
16.3 Temperature Troubleshooting.....................................................................38
17. Warranty ....................................................................................39
18. Appendices................................................................................ 41
18.1 Care, Cleaning and Maintenance of Conductivity Sensors...........................41
18.2 Replatinising Conductivity Sensors.............................................................42

Page 4
1. Introduction
1.1 WP-84 Display and Controls

Page 5
¬
Press to record readings into memory. See section 8.1.
-
Press to show or hide the date and time. See section 12.2.
Also used to select k=0.1 or k=10 sensor, when the standard k=1 sensor is not
being used.
®
Press to start or stop automatic logging. See section 9.
Alternatively, press to transmit current reading plus date and time to the RS232
port (optional). See section 10.2.
¯
Only used within the menu system on the WP-84.
°
Press to access the user-friendly menu system which makes the WP-84 a breeze to
operate.
±and ³
The and keys are used when calibrating temperature readout (section 5),
setting the clock (section 12.1), setting the automatic logging period (section 9),
and displaying GLP information (section 7.1).
The key is also used to initialise the WP-84 at turn-on. See section 14.
²
Switches the WP-84 on and off.
´Display
32 character alpha-numeric display with user-friendly menu and prompting
system. Shows Conductivity/Salinity and Temperature simultaneously. Date and
time can also be displayed.

Page 6
1.2 Unpacking Information
Before using your new WP-84, please check that the following accessories have
been included…
Part No
1. WP-84 Conductivity-Salinity-Temperature Instrument..........................122159
2. k=1/ATC/Temperature Sensor, Plastic body, 1m cable .........................122201
3. 2.76mS/cm Conductivity Standard, 200mL...........................................122306
4. 2 ppK Salinity Standard, 200mL ..........................................................122307
5. Battery charger.....................................................................................130037
6. WP-84 Handbook ................................................................................130050
Options that may have been ordered with your WP-84…
1. k=10/ATC/Temperature Sensor, Plastic body, 5m cable........................122219
2. k=0.1/ATC/Temperature Sensor, Glass body, 1m cable........................122229
3. k=1.0/ATC/Temperature Sensor, Glass body, 1m cable........................122216
4. k=10/ATC/Temperature Sensor, Glass body, 1m cable.........................122212
5. RS232 Serial Interface Option (includes cable).....................................130039
6. WinTPS Communication Software for Windows™ 95, 98 & ME .........130086
7. Hard Carry Case..................................................................................130059
8. Battery charger lead for 12V cigarette lighter socket .............................130046
9. Clip lead adaptor for 12V DC battery...................................................130052
10.Solar Panel...........................................................................................130012
Other spares…
1. 6V NiCad Battery ................................................................................130038
2. RS232 Interface Cable .........................................................................130041

Page 7
1.3 Specifications
Ranges Resolution Accuracy
k=0.1 0 to 2.000 uS/cm
0 to 20.00 uS/cm
0 to 200.0 uS/cm
0 to 2000 uS/cm
0 to 20.00 mS/cm
0.001 uS/cm
0.01 uS/cm
0.1 uS/cm
1 uS/cm
0.01 mS/cm
k=1.0 0 to 20.00 uS/cm
0 to 200.0 uS/cm
0 to 2000 uS/cm
0 to 20.00 mS/cm
0 to 200.0 mS/cm
0.01 uS/cm
0.1 uS/cm
1 uS/cm
0.01 mS/cm
0.1 mS/cm
Conductivity
k=10 0 to 200.0 uS/cm
0 to 2000 uS/cm
0 to 20.00 mS/cm
0 to 200.0 mS/cm
0 to 2000 mS/cm
0.1 uS/cm
1 uS/cm
0.01 mS/cm
0.1 mS/cm
1 mS/cm
±0.5% of full
scale of
selected range
at 25 OC
k=0.1 0 to 1.000 ppM
0 to 10.00 ppM
0 to 100.0 ppM
0 to 1000 ppM
0 to 5.00 ppK
0.001 ppM
0.01 ppM
0.1 ppM
1 ppM
0.01 ppK
k=1.0 0 to 10.00 ppM
0 to 100.0 ppM
0 to 1000 ppM
0 to 10.00 ppK
0 to 50.0 ppK
0.01 ppM
0.1 ppM
1 ppM
0.01 ppK
0.1 ppK
Salinity
k=10 0 to 100.0 ppM
0 to 1000 ppM
0 to 10.00 ppK
0 to 100.0 ppK
0 to 500 ppK
0.1 ppM
1 ppM
0.01 ppK
0.1 ppK
1 ppK
±0.5% of full
scale of
selected range
at 25 OC
Temperature -10 to 120.0 OC
(sensor limit 60OC) 0.1 OC±0.2 OC

Page 8
General Specifications
Temperature Compensation :Automatic, 0 to 100 oC
Cond. Sensor Span Range :k=0.1 Sensor :k=0.075 to k=0.133
k=1.0 Sensor :k=0.75 to k=1.33
k=10 Sensor :k=7.5 to k=13.3
Temp. Sensor Offset Range :-10.0oC to +10.0oC
Auto Standard Recognition :Cond. :150 µS/cm, 1413 µS/cm, 2.76 mS/cm,
12.88 mS/cm, 58.0 mS/cm
Salinity :69.5 ppM, 2.00 ppK, 8.00 ppK, 36.0 ppK
Memory :150 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.
RS232 Output (optional) :300, 1200 & 9600 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
optional 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 Conductivity, Salinity
and Temperature calibration are stored, and can be
recalled or sent to the optional RS232 port at any
time.
Power :6V NiCad Rechargeable Battery for approximately
40 hours operation.
Dimensions :187 x 110 x 51 mm
Mass :Instrument only :Approx 440g
Full Kit :Approx 1.7kg
Environment Temperature :0 to 45 OC
Humidity :0 to 90 % R.H.

Page 9
2. WP-84 Menu Structure
A detailed breakdown of the menu system of the WP-84 is shown below.
This diagram provides a quick reference for the menu functions available for the
WP-84.
→F1:Cal. →F1:Conductivityl
or F1:Salinity
F3:Temp
F4:ATC %
→F2:Notepad →F1:Recall
F2:Erase
F3:Print *
F4:Prog. →F1:Min
F2:Sec
F3:Hr
↑↓:Set Period
F3:Mode →F1:Conductivity
F3:Salinity
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
* These items available when the optional RS232 port is fitted.

Page 10
3. Conductivity Mode
3.1 Selecting Conductivity Mode
To select Conductivity readout mode…
1. Select the Mode menu ( →→ F3:Mode).
2. Select F1:Conductivity from the menu.
3. The WP-84 resumes normal operation in Conductivity mode. For example…
2.76mS 25.0oc
31/12 12:00:00
Press to alternatively display or hide the date and time.