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Congratulations !
You have purchased the latest in Handheld Conductivity-TDS-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.
Model WP-84
Conductivity, TDS,
Salinity, Temp Meter
Version: 4.0
Date:
27-Jan-2014
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Troubleshooting
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Summary of Contents for TPS WP-84
- Page 1 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.
- Page 2 Page 2 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 : (07) 3808 4871 International : 61 7 3808 4871 Email : tps@tps.com.au...
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Page 3: Table Of Contents
Page 3 Contents Introduction ..................5 WP-84 Display and Controls ..............5 Unpacking Information ................7 Specifications ..................8 WP-84 Menu Structure ..............10 Operating Modes ................11 Selecting Conductivity, TDS (setting factor) or Salinity Mode ....11 Conductivity (TDS/Salinity) Calibration ........ - Page 4 13.1 Setting the Clock ................32 13.2 Displaying or Hiding the Clock ............32 Selecting k=0.1 or k=10 Sensors ..........33 Initialising the WP-84 ..............34 Instrument firmware version number........34 Troubleshooting ................ 35 17.1 General Errors .................. 35 17.2...
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Page 5: Introduction
Page 5 1. Introduction 1.1 WP-84 Display and Controls... - Page 6 (section 5), setting the clock (section 13.1), setting the automatic logging period (section 9), and displaying GLP information (section 7.1). key is also used to initialise the WP-84 at turn-on. See section Switches the WP-84 on and off. Display 32 character alpha-numeric display with user-friendly menu and prompting system.
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Page 7: Unpacking Information
Page 7 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-TDS-Sal-Temp instrument ..... 122159/1 ....................122159/3 ....................122159/5 2. Conductivity/ATC/Temperature Sensor: 1, 3 or 5m cable k=10... -
Page 8: Specifications
Page 8 1.3 Specifications Conductivity Ranges ......4 ranges, with automatic range selection. k=0.1 Sensor .. 0 uS/cm to 2000 uS/cm k=1.0 Sensor .. 0 uS/cm to 20.00 mS/cm k=10 Sensor .. 0 uS/cm to 200.0.mS/cm Resolution ......0.05% of selected range Accuracy ...... - Page 9 Page 9 Calibration: Conductivity/TDS/Salinity ..Auto Standard Recognition 150uS/cm, 1413uS/cm, 2.76mS/cm, 12.88mS/cm, 58.0mS/cm Conductivity 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 Temperature ......Use a reference thermometer. Temperature Sensor Offset ..-10.0 C to +10.0 Memory ........
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Page 10: Menu Structure
Page 10 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 WP-84 menu functions. → → F1:Cal F1:Cond F3:Temp F4:ATC % → → F2:Notepad... -
Page 11: Operating Modes
Page 11 3. Operating Modes 3.1 Selecting Conductivity, TDS (setting factor) or Salinity Mode To select Conductivity, TDS or Salinity mode… Select the Mode menu → → → → F3:Mode)… 1. Press to select the Mode Menu. F1:Cond. F2:TDS F3:Sal. 2. -
Page 12: Conductivity (Tds/Salinity) Calibration
4.1 Calibration Procedure 1. Plug the Conductivity sensor into the Conductivity socket. If a k=0.1 or k=10 sensor is being used, ensure that the WP-84 is set to the correct k factor before using the instrument (see section 14). 2. Switch the meter on. - Page 13 8. When the reading has stabilised, press the key to calibrate. The ∗ will now be replaced by a decimal point, if calibration was successful. 1. The WP-84 is now calibrated for Conductivity and is ready for use in this mode.
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Page 14: Calibration Notes
This information can be recalled or printed later using the GLP function (see section 6). 5. The WP-84 displays the value of the standard to which it will attempt to calibrate. Ensure that the standard value displayed corresponds to the standard that you are using. -
Page 15: Temperature Calibration
5.2 Calibration Notes 1. Temperature calibration information is retained in memory when the WP-84 is switched off, even when the battery is removed. This information can be recalled or printed later using the GLP function (see section 7). -
Page 16: Calibration Messages
84 will display the following message and the offset value of the sensor. Calibrate OK Offset= 2. If a temperature calibration has failed, the WP-84 will display the following message and the failed offset value of the sensor. Calibrate Failed Offset= 10.5... -
Page 17: Atc Coefficient
The temperature of the solution. It is therefore impossible to set a single ATC Coefficient in the factor which will be correct for all solutions which the WP-84 will be used to test. The ATC Coefficient is set to 2.0 %/ C in the factory. -
Page 18: Calculating The Atc Coefficient Of A Solution
<Enter first Conductivity reading> Temperature 1 <Enter first Temperature reading> <Enter second Conductivity reading> Conductivity 2 <Enter second Temperature reading> Temperature 2 ATC Slope =100*((10^((LOG10(B3/B1))/(B4-B2)))-1) A ready-made file can be downloaded from the Downloads section of the TPS Web Site : http://www.tps.com.au/downloads... -
Page 19: Good Laboratory Practices (Glp)
Page 19 7. Good Laboratory Practices (GLP) The WP-84 keeps a record of the date and time of the last Conductivity and Temperature calibrations as part of GLP guidelines. 7.1 To recall GLP information on the display → → → → F4:Setup → → → → F3:GLP). -
Page 20: Printing Glp Information To The Rs232 Port
ENDS 7.4 Instrument Serial Number In case the serial number that is fitted to the rear of the WP-84 is removed or becomes illegible, it is also available on the WP-84 display. • The serial number is displayed at turn-on, for example…... -
Page 21: Notepad Function
To erase all records from the Notepad: → F2:Notepad). 1. Select the Notepad menu ( 2. Select F2:Erase from the menu 3. The WP-84 now asks if you are sure that you wish to erase all records… Erase, You Sure? F1:Yes... -
Page 22: Printing Records From The Notepad To The Rs232 Port
RS232 port. Windows 95, 98 & ME are shipped with Hyper Terminal, which is suitable for this purpose. 3. Ensure that the baud rate for the printer or PC and the WP-84 are the same. If necessary, alter the baud rate of the WP-84 (see section 10.1). -
Page 23: Automatic Data Logging
For example, if the period was set to 05, followed by , then the WP-84 will automatically log a record every 5 seconds. 5. The WP-84 will ask if the records are to be logged into the Notepad, or sent directly to the RS232 port. Press to log records into the Notepad (maximum of 3600 readings). - Page 24 2.76mS 25.0 Sending 12:00:00 The WP-84 will beep each time a record is sent to the RS232 port. 8. Press to stop automatic logging. Notes 1. The clock must be set before the WP-84 will allow automatic logging to start.
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Page 25: Rs232 Port
95 and later is optionally available (part number 130086). Once the data is saved to disk, the next problem is how to use it. The data sent by the WP-84 is formatted in fixed-width columns that can be ® ®... -
Page 26: Commands
Page 26 10.5 Commands The following commands can be sent from a PC to the WP-84. Note that <cr> denotes carriage return and <lf> denotes a line feed. Action Command Notes Request current ?D<cr> Returns the current Conductivity/ data TDS/Salinity,... -
Page 27: Data Format
Page 27 10.6 Data Format Data is returned to the RS232 port by the WP-84 in the following format. Please note that a “ ” shown anywhere in this section denotes one space. LLLL DDDDDDUUU TTTTTToC dd/mm/yy hh:mm:ss where… is the Log Number. Maximum 4 characters, right justified. -
Page 28: Importing Data Into Microsoft Excel
Page 28 10.8 Importing Data into Microsoft Excel The following procedure details the method for importing a WP-84 text ® ® data file into Microsoft Excel ® ® and select File → Open Start Microsoft Excel In the “Files of type:” pull-down box, choose “Text Files (*prn; *.txt;... - Page 29 Press “Next >” after the column breaks have been inserted. Simply press “Finish” at step 3 of the Text Import Wizard. TPS recommends that the data format for each column be set once the data is in spreadsheet format.
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Page 30: Battery Saver Function
Page 30 11. Battery Saver Function The WP-84 is equipped with a battery saver function. If no button has been pressed for five minutes, the unit beeps and flashes the display for 20 seconds, and then shuts off. This function can be switched off for continuous use. -
Page 31: Recharging The Battery
5.60 volts. The battery should be recharged at this point. If the battery is not recharged, the WP-84 will switch itself off when the battery drops below 5.00 volts. To recharge the battery…... -
Page 32: Clock Function
Notes 1. The WP-84 does not test for a valid day of the month when setting the clock (eg: attempting to enter 31/02/10 is not corrected). 2. The WP-84 does test for leap years. -
Page 33: Selecting K=0.1 Or K=10 Sensors
The WP-84 automatically recognises a k=1.0 sensor. The WP-84 does not automatically recognise k=0.1 or k=10 sensors. When a k=0.1 or k=10 sensor is used, the WP-84 must be set to the correct k factor before use. The following procedure describes how to select a k=0.1 or k=10 sensor. -
Page 34: Initialising The
MUST ReCalibrate Con TDS Sal Temp (The “s” after WP-84 is shown when the RS232 serial port option is fitted) 4. The meter then displays Conductivity and Temperature. Note that the decimal points have been replaced with a “∗ ∗ ∗ ∗ ” to indicate that the unit requires re-calibration. -
Page 35: Troubleshooting
17.1 General Errors Error Message Possible Causes Remedy The EEPROM chip which The unit must be returned to Factory Cal. contains the factory TPS for service. Failed calibration information has failed. Handbook User calibration settings Re-calibrate the instrument. Memory Failed... -
Page 36: Conductivity/Tds/Salinity Troubleshooting
Page 36 17.2 Conductivity/TDS/Salinity Troubleshooting Symptom Possible Causes Remedy Unit fails to Calibration settings outside Initialise the unit. See calibrate, even of allowable limits due to section 15. with new sensor. previous failed calibration. Unit attempts Sensor has Zero error. Thoroughly rinse sensor in Span calibration distilled water and allow to... - Page 37 Page 37 Conductivity/TDS/Salinity Troubleshooting, continued... Standard 1. White protective cover is The white protective cover calibration fails, not fitted or upside down. MUST be fitted for correct and k factor is readings. The vent hole must less than 0.075, be towards the cable end of 0.75 or 7.5, the sensor.
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Page 38: Temperature Troubleshooting
Page 38 17.3 Temperature Troubleshooting Symptom Possible Causes Remedy 1. Faulty sensor. Fit new sensor. Displays “OVR C” when sensor is 2. Faulty instrument. Return to factory for repair. plugged in. Temperature 1. Faulty connector. Check the connector and inaccurate and replace if necessary. -
Page 39: Appendices
18.1 Care, Cleaning and Maintenance of Conductivity Sensors 18.1.1 Care of Conductivity sensors The conductivity section of the sensor supplied with your WP-84 consists of two platinum wires that are plated with a layer of “platinum-black”. This is quite a soft layer and is required for stable, accurate measurements. In time, the platinum-black layer may wear off in some applications, at which time the sensor will require replatinising (see section 18.2). -
Page 40: Replatinising Conductivity Sensors
18.2 Replatinising Conductivity Sensors There are several ways to replatinise Conductivity sensors. 1. The simplest way is to return the sensor to the TPS factory. We can fully clean the sensor, replatinise it and test all aspects of its performance. -
Page 41: Warranty
Please read service details on our ‘Service’ web page first: http://www.tps.com.au/service.htm TPS Pty Ltd has a reputation for prompt and efficient service. If you feel that this equipment is in need of repair, please re-read the manual. Sometimes, instruments are received for "repair" in perfect working order. - Page 42 Page 42 Please check that the following is enclosed with your equipment: • A TPS ‘Service / Return Goods Form’ – see web link below: http://www.tps.com.au/Service/Service%20form_web.pdf • Your full name • Your company name • Your email address or fax number •...
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