TPS WP-80 Manual de usuario
Congratulations !
You have purchased the latest in Handheld pH-mV-Temperature
instrumentation. We trust that your new WP-80 will give you many years
of reliable service.
The WP-80 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-80. It also contains a full listing of all of the items
that you should have received with your WP-80. 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-80, 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.
Model WP-80
pH-mV-Temp. Meter
Version : 3.51
Date : 02/07/2003
Author : MS
Page 1
TPS Pty Ltd
ABN 30 009 773 371
4 Jamberoo Street
Springwood, Brisbane,
Australia, 4127
Phone : (07) 32 900 400
International : 61 7 32 900 400
Fax : (07) 3808 4871
International : 61 7 3808 4871
Email : [email protected]
Web : www.tps.com.au
Page 2
Contents
1. Introduction .....................................................................................4
1.1 WP-80 Display and Controls............................................................... 4
1.2 Unpacking Information........................................................................ 6
1.3 Specifications..................................................................................... 7
2. WP-80 Menu Structure....................................................................9
3. Operating Modes...........................................................................10
3.1 Selecting pH, mV or Relative mV Mode ............................................ 10
4. pH Calibration................................................................................12
4.1 Calibration Procedure....................................................................... 12
4.2 Calibration Notes.............................................................................. 14
4.3 Calibration Messages....................................................................... 14
5. mV Calibration...............................................................................15
6. Relative mV Calibration ................................................................15
6.1 Notes ............................................................................................... 16
7. Temperature Calibration...............................................................17
7.1 Calibration Procedure....................................................................... 17
7.2 Calibration Notes.............................................................................. 17
7.3 Calibration Messages....................................................................... 18
7.4 Manual Temperature Setting............................................................. 19
8. Good Laboratory Practices (GLP)................................................20
8.1 To recall GLP information on the display........................................... 20
8.2 Failed Calibration.............................................................................. 21
8.3 Printing GLP Information to the RS232 Port...................................... 21
8.4 Instrument Serial Number................................................................. 22
8.5 Additional GLP Features................................................................... 22
9. Notepad Function..........................................................................23
9.1 Recording Readings into the Notepad............................................... 23
9.2 Recalling Records from the Notepad................................................. 23
9.3 Erasing Records from the Notepad................................................... 24
9.4 Printing Records from the Notepad to the RS232 Port....................... 24
10. Automatic Datalogging..............................................................25
Page 3
11. RS232 Port.................................................................................27
11.1 Setting the Baud Rate................................................................... 27
11.2 Sending Readings to the RS232 Port............................................ 27
11.3 RS232 Configuration..................................................................... 27
11.4 Communication and Statistical Software ....................................... 27
11.5 Commands................................................................................... 28
11.6 Data Format ................................................................................. 29
12. Battery Saver Function.............................................................31
13. Clock Function ..........................................................................34
13.1 Setting the Clock........................................................................... 34
13.2 Displaying or Hiding the Clock ...................................................... 34
14. Selecting Buffers for Auto Buffer Recognition .......................35
15. Initialising the WP-80 ................................................................36
16. Troubleshooting........................................................................37
16.1 General Errors.............................................................................. 37
16.2 pH and mV Troubleshooting.......................................................... 38
16.3 Temperature Troubleshooting....................................................... 39
17. Warranty ....................................................................................40
18. Appendices................................................................................42
18.1 pH Electrode Fundamentals.......................................................... 42
18.2 Checking the reference junction of a pH electrode......................... 44
18.3 Determining if an instrument or electrode is faulty ......................... 45
18.4 Instrument firmware version number. ............................................ 45
Page 4
1. Introduction
1.1 WP-80 Display and Controls
Page 5
Press to record readings into memory. See section 9.1.
Also used to select primary and secondary buffers for automatic
buffer recognition. See section 14.
Press to show or hide the date and time. See section 13.2.
Press to start or stop automatic logging. See section 10.
Alternatively, press to transmit current reading plus date and time to
the RS232 port (optional) See section 11.2.
Press to zero relative mV, when relative mV mode is selected. See
section 6.
Press to access the user-friendly menu system which makes the
WP-80 a breeze to operate.
and
The and keys are used when calibrating temperature readout
(section 7), setting manual temperature compensation (section 7.4),
setting the clock (section 13.1), setting the automatic logging period
(section 10), and displaying GLP information (section 8.1).
The key is also used to initialise the WP-80 at turn-on. See
section 15.
Switches the WP-80 on and off.
Display
32 character alpha-numeric display with user-friendly menu and
prompting system. Shows pH/mV and temperature simultaneously.
Date and time can also be displayed.
Page 6
1.2 Unpacking Information
Before using your new WP-80, please check that the following
accessories have been included:
Part No
1. WP-80 pH-mV-Temperature Instrument.................................121109
2. Combination pH Sensor.........................................................121207
3. Temperature/ATC Sensor......................................................121247
4. pH6.88 Buffer, 200mL............................................................121306
5. pH4.00 Buffer, 200mL............................................................121381
6. Battery charger ......................................................................130037
7. WP-80 Handbook...................................................................130050
Options that may have been ordered with your WP-80:
1. RS232 Serial Interface Option (includes cable).....................130039
2. Communication software for Microsoft Windows 95..............130086
and all later versions
3. Hard Carry Case...................................................................130059
4. Battery charger lead for 12V cigarette lighter socket.............130046
5. Battery charger lead for 12V DC, with battery clips...............130052
6. Solar Panel...........................................................................130012
Other spares:
1. 6V NiMH Battery....................................................................130038
2. RS232 Interface Cable...........................................................130041
Page 7
1.3 Specifications
pH
Range.......................................0 to 14.00 pH
Resolution...............................0.01 pH
Accuracy..................................±0.01 pH
mV
Range.......................................0 to ±500.0 and 0 to ±1500 mV (auto-
ranging)
Resolution...............................0.15 and 1 mV
Accuracy..................................±0.3 and ±1 mV
Temperature
Range.......................................-10.0 to +120.0 oC
Resolution...............................0.1 oC
Accuracy..................................±0.2 oC
General Specifications
Temperature Compensation .....0 to 100.0 oC, automatic or manual
pH Asymmetry Range...............-1.00 to 1.00 pH
pH Slope Range........................85.0 to 105.0%
Memory.....................................150 readings including date and time
Automatic Logging....................User-set for one reading every 1 to 90
seconds, minutes or 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 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.
Page 8
Good Laboratory Practices.......Date, Time and Value of last asymmetry
and last slope calibration are stored, and
can be recalled or sent to the optional
RS232 port at any time.
Input Impedance.......................>3 x 1012 Ω
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 1.7kg
Environment.............................Temperature : 0 to 45 oC
Humidity : 0 to 90 % R.H.
Page 9
2. WP-80 Menu Structure
A detailed breakdown of the menu system of the WP-80 is shown below.
This diagram provides a quick reference for the menu functions available
for the WP-80.
→
F1:Cal. →
F1:pH (available when in pH mode)
F2:Temp
→
F2:Notepad →
F1:Recall
F2:Erase
F3:Print *
F4:Prog. →
F1:Min
F2:Sec
F3:Hr
↑↓:Set Period
→
F3:Mode →
F1:pH.
F2:mV
F3:Rel mV
→
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.
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