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Congratulations !
You have purchased the latest in Benchtop Specific Ion-pH-mV-Temperature instrumentation. We
trust that your new 900-I3 will give you many years of reliable service.
The 900-I3 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 900-I3. It
also contains a full listing of all of the items that you should have received with unit. 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 900-I3, 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
: (07) 32 900 400
International : 61 7 32 900 400
Fax
: (07) 3808 4871
International : 61 7 3808 4871
E-mail
:
tps@tpssite.com.au
Web Site
: www.tpssite.com.au
900-I3
Three Channel Specific Ion-
pH-mV and Temp. Meter
Date
: 04-Sep-98
Author : MS
Version : 3.0
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Summary of Contents for TPS 900-I3
- Page 1 900-I3 will give you many years of reliable service. The 900-I3 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.
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Page 2: Table Of Contents
Contents 1. Introduction ....................4 1.1 900-I3 Display and Controls....................4 1.2 900-I3 Rear Panel Connectors ..................... 4 1.3 Menu and Function Keys..................... 5 1.4 Numeric Keypad ......................... 5 1.5 Enter Key ..........................5 1.6 Delete Key .......................... 5 1.7 80 Character Display ......................5 1.8 Unpacking Information ....................... - Page 3 Recorder Port Configuration in Absolute or Relative mV Modes........39 12.4 Recorder Port Specifications..................40 12.5 Recorder Port Connections .................... 40 13. Setting the Clock..................41 14. Initialising the 900-I3 ................42 15. Instrument firmware version number........... 42 16. Troubleshooting..................43 16.1 General Errors ....................... 43 16.2 Specific Ion, pH and mV Troubleshooting..............
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Page 4: Introduction
1. Introduction 1.1 900-I3 Display and Controls 1.2 900-I3 Rear Panel Connectors... -
Page 5: Menu And Function Keys
Press the key to make corrections to values entered on the Numeric Keypad. Press and hold this key at turn-on to initialise the 900-I3. See section 14. 1.7 80 Character Display 80 character alphanumeric display with user-friendly menu and context-sensitive help system. -
Page 6: Unpacking Information
1.8 Unpacking Information Before using your new 900-I3, please check that the following accessories have been included: Part No Standard Kit… 1. 900-I3 3 Channel Specific Ion-pH-mV Meter... 121162 2. Temperature/ATC Sensor......... 121245 3. Plug-Pack Power Supply .......... 130044 4. 900-I3 Handbook ............. 130050 Options that may have been ordered with your 900-I3…... -
Page 7: Specifications
1.9 Specifications Mode Range Resolution Accuracy Specific Ions Auto-ranging in units of User selectable for 3 ± Least significant digit ppM, ppK, significant digits, Exponential Notation significant digits or Auto- rounding. 0 to 14.000 pH 0.001 pH ±0.002 pH 0 to 14.00 pH 0.01 pH ±0.01 pH 0 to 14.0 pH... -
Page 8: 0-I3 Menu Structure
2. 900-I3 Menu Structure A detailed breakdown of the menu system of the 900-I3 is shown below. This diagram provides a quick reference for the menu functions available for the 900-I3. Press the function keys in normal display mode, to perform the following tasks: : Press to record readings into the Notepad. -
Page 9: Specific Ion Mode
3. Specific Ion Mode 3.1 Selecting Specific Ion Mode 1. Select Specific Ion Mode for Channel 1, 2 or 3. → → F3:Mode F3:Mode → → F1:Channel 1 F1:Channel 1 → → F3:Ion F3:Ion) (e.g. 2. The Valency selection screen is now displayed… VALENCY VALENCY >F1:+Mono... -
Page 10: Setting Specific Ion Standards
The standards for a Channel must be re-entered when changing Specific Ion modes for that Channel. All Primary and Secondary Specific Ion standards must be re-entered if the 900-I3 is initialised. 3.2.1 Setting Specific ion standards for ppM, ppK and % readouts 1. -
Page 11: Setting Specific Ion Standards For Exponential Readout
3.2.2 Setting Specific ion standards for Exponential readout 1. Select the Specific Ion standards set-up menu for Channel 1, 2 or 3. → → F4:Setup F4:Setup → → F4:Standards F4:Standards → → F1:Channel 1 F1:Channel 1). (e.g. 2. The Primary Standard set-up screen will now be displayed. Enter Primary Standard : 0.00 Enter Primary Standard : 0.00 –... -
Page 12: Specific Ion Calibration
3. Select and set up Ion mode, as detailed in section 3.1. Set up the Primary and Secondary Specific Ion standards, as detailed in section 3.2. For the purposes of this handbook, the 900-I3 has been set up for 100ppM as the Primary Standard and 10.0ppM as the Secondary Standard. - Page 13 Primary Standard value. Press to quit without calibrating. The 900-I3 will now display the Offset of the Ion Selective Electrode, before asking if you wish to go on to a Secondary Calibration… Press Enter to go on for Second Standard...
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Page 14: Specific Ion Calibration Notes
GLP function (see section 8). 4. The 900-I3 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. Alter the Standards set-up if necessary (see section 3.2). -
Page 15: Ph Mode
4. pH Mode 4.1 Selecting pH Mode 1. Select pH Mode for Channel 1, 2 or 3. → → F3:Mode F3:Mode → → F1:Channel 1 F1:Channel 1 → → F1:pH F1:pH). (e.g. 2. The pH Resolution screen is now displayed… Select pH Resolution Select pH Resolution F1:0.1... -
Page 16: Setting The Ph Buffer Set
4.2 Setting the pH Buffer Set The 900-I3 can be programmed to automatically recognise any of the following buffer sets during pH calibration. All pH values listed below are at 20 1. pH4.00, pH6.88, pH9.22 2. pH4.00, pH6.88, pH10.06 3. pH4.00, pH7.00, pH9.22 4. -
Page 17: Ph Calibration
The current pH reading is shown on the left. Note the “ ∗ ∗ ”, indicating that pH is currently not calibrated. Wait for this reading to stabilise before attempting to calibrate the 900-I3. The buffer that the 900-I3 has attempted to recognise is also displayed with the correct value at the current temperature. -
Page 18: Ph Calibration Notes
F1:Channel 1 → → F1:pH F1:pH). (e.g. The display should now look similar to the example shown in step 7. Note that the 900-I3 has automatically recognised the second buffer. Wait for the displayed reading to stabilise before attempting to calibrate the 900-I3. -
Page 19: Ph Calibration Messages
+0.10pH Asym +0.10pH Asym 100% Slope 100% Slope 2. If a 1-point calibration has failed, the 900-I3 will display the following message, and the failed asymmetry value of the electrode. Calibrate Failed, +1.2 pH Asymmetry Calibrate Failed, +1.2 pH Asymmetry Repeat Cal. -
Page 20: Absolute Millivolt Mode
The 900-I3 will display the actual millivolts produced by the sensor in this mode. 5.2 Absolute Millivolt Calibration The millivolt section of the 900-I3 is factory calibrated. There is no user-calibration facility for this mode. Temperature compensation is not applicable in Millivolt mode. -
Page 21: Relative Millivolt Mode
F2:mV → → F2:Relative F2:Relative) (e.g. The 900-I3 will display the millivolt data relative to a known, user-selectable zero point. Absolute millivolt data is also displayed for Channel 1 only. 6.2 Relative Millivolt Calibration Calibration of the Relative mV mode is simply a matter of zeroing the reading when the sensor is in the known standard. -
Page 22: Relative Millivolt Calibration Notes
Zero F1:Chan1 F2:Chan2 F3:Chan3 F4:All Press according to your requirements. 9. The 900-I3 Relative mV mode is now zeroed and is ready for use. The readout can be re-zeroed by repeating the steps detailed above whenever required. 6.3 Relative Millivolt Calibration Notes 1. -
Page 23: Temperature
Temperature Calibration OK Temperature Calibration OK C Offset C Offset 2. If a temperature calibration has failed, the 900-I3 will display the following message, and the failed offset value of the sensor. Temperature Calibration Failed Temperature Calibration Failed 11.0 11.0... -
Page 24: Manual Temperature Setting
Alternatively, press to quit and retain the current setting. 6. The 900-I3 now returns to normal measurement mode. Note the flashing “M M ” in the temperature readout, indicating that Manual Temperature Compensation is in use. For example… 10.0ppM 10.0ppM... -
Page 25: Good Laboratory Practices (Glp)
8. Good Laboratory Practices (GLP) The 900-I3 keeps a record of the date and time of the last Specific Ion, pH and Temperature calibrations as part of GLP guidelines. The last Specific Ion and pH calibration data are stored separately for each Channel. - Page 26 GLP Display sequence… 900I3 V3.0 R1234 900I3 V3.0 R1234 @ 31/12/98 13:00 @ 31/12/98 13:00 F4:Next F4:Next ↑ ↑ ↓ ↓ Ion1 Offset=0.1mV Ion1 Offset=0.1mV 31/12/98 11:00 31/12/98 11:00 Ion Calibrated Ion Calibrated F2:Back F4:Next F2:Back F4:Next ↑ ↑ ↓ ↓ Ion1 Slope=99.0% Ion1 Slope=99.0% 31/12/98 11:05...
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Page 27: Failed Calibration
RS232 port. This function is available only when the optional RS232 port is fitted. 1. Switch the meter on. 2. Ensure that the 900-I3 RS232 cable is connected to the instrument and to the printer or PC. 3. Send the GLP information to the RS232 port: →... -
Page 28: Instrument Serial Number
8.4 Instrument Serial Number In case the serial number that is fitted to the rear of the 900-I3 is removed or becomes illegible, it is also available on the 900-I3 display. 1. The serial number is displayed at turn-on, for example…... -
Page 29: Notepad Function
3. Repeat steps 1 & 2 as often as required. The maximum number of readings that can be stored in the Notepad is 1200. 9.2 Recalling Readings from the Notepad To recall records from the Notepad onto the 900-I3 display… → → F2:Notepad F2:Notepad) 1. -
Page 30: Erasing Records From The Notepad
2. Connect the other end of the RS232 cable to an RS232 Printer, or to the COM1 or COM2 ports of a PC. 3. Ensure that the baud rate for the printer or PC and the 900-I3 are the same. If necessary, alter the baud rate of the 900-I3 (see section 11.1). -
Page 31: Automatic Datalogging
Logging/Printing Period as seconds. 5. If the optional RS232 port is fitted, the 900-I3 will ask if the records are to be logged into the Notepad, or sent directly to the RS232 port. The display will look like this…... - Page 32 9. Note: The clock must be set before the 900-I3 will allow automatic logging to start. The message “Clock Not Set” is displayed if the clock is not set. See section 13 for details on setting the clock.
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Page 33: Rs232 Port
The diskette supplied by TPS contains a BASIC program for this purpose. A Windows version is also 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 900-I3 is ®... -
Page 34: Commands
11.5 Commands The following commands can be sent from a PC to the 900-I3. Note that <cr> denotes carriage return and <lf> denotes a line feed. Action Command Notes Request current data ?D<cr> Returns current data from Specific Ion/pH/mV Channels that are switched on, plus Temperature, date and time from the 900-I3. -
Page 35: Data Format
11.6 Data Format Data is returned to the RS232 Port by the 900-I3 in the following format… LLLL•11111111UUU•22222222UUU•33333333UUU•TTTTTuuu•dd/mm/yyyy•hh:mm:ss LLLL•11111111UUU•22222222UUU•33333333UUU•TTTTTuuu•dd/mm/yyyy•hh:mm:ss where…. LLLL LLLL is the Log Number, 4 characters, right justified. The 900-I3 sends a Zero for instant readings (see section 11.2). -
Page 36: Glp Data Format
When requested by a PC with the ?D or ?R commands (section 11.5), the data is terminated with a carriage return. When the data is sent by the 900-I3 using the Print function (section 9.4) or the Instant Send function (section 11.2), the data ends with a carriage return and a line feed. -
Page 37: Recorder Port
1. Select the Ports Set-up menu ( 2. If the both the Recorder and the RS232 port options are fitted, then select F2:Recorder F2:Recorder. If the Recorder Port option only is fitted, then the 900-I3 will jump directly to the Channel Selection screen… RECORDER F1:Channel 1... - Page 38 4. (a) If F1:Ion F1:Ion was selected at step 3 above, the 900-I3 will now ask you to enter the Specific Ion reading that will produce full scale on the Recorder Port. For example… Enter Full Scale : 1 1 000...
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Page 39: Recorder Port Configuration In Ph Mode
Channel 1, 2 or 3. Press to switch the Recorder Port OFF. 3. After selecting Channel 1, 2 or 3, the 900-I3 will display the Recorder Port configuration for 3 seconds, before returning to normal measurement mode… Channel 1 pH selected,... -
Page 40: Recorder Port Specifications
12.4 Recorder Port Specifications Mode Display Range Output Range Examples (Reading = mV Out) Specific Ion Full auto-ranging 2000 mV at user-selectable If Full Scale is set to concentration readout, with Full Scale ( section 12.1). 1000ppM, then… user-set resolution. 10 ppM ≈... -
Page 41: Setting The Clock
7. Alternatively, press menu to quit and retain the current setting. Notes 1. The 900-I3 tests that a valid day of the month is entered. If an invalid date is entered (e.g. 31/02/1998), the 900-I3 beeps and displays the message “Invalid Date”. The meter then returns to the clock setting screen, so that the correct date can be entered. -
Page 42: Initialising The 900-I3
14. Initialising the 900-I3 If the calibration settings of the 900-I3 exceed the allowable limits, the unit may need to be initialised to factory default values. This action may be required if the electrode is replaced. To initialise the 900-I3…... -
Page 43: Troubleshooting
16.1 General Errors Error Message Possible Causes Remedy Factory Calibration The EEPROM chip which The unit must be returned to TPS for Data Failure. contains the factory calibration service. information has failed. mV & Temperature readings may be up to mV and Temperature 10% incorrect. -
Page 44: Temperature Troubleshooting
Fit new temperature probe, part number 121245. Displays flashing “M M ” when 1. Faulty TEMP socket. Return the instrument to the TPS factory for service. temperature probe plugged 2. Faulty temperature probe. Fit a new temperature probe, part number... -
Page 45: Appendices
17. Appendices 17.1 pH Electrode Fundamentals A combination pH Electrode is two electrodes in one. The sensing membrane is the round or spear shaped bulb at the tip of the electrode. This produces a voltage that changes with the pH of the Solution. -
Page 46: Slope Of A Ph Electrode
A solution earth rod is available from TPS (part no 121360). This connects directly to the Guard socket. Alternatively, run a wire from the Guard socket to a stainless steel fitting in contact with... -
Page 47: Polarisation Connector
17.5 Determining if an instrument or pH electrode is faulty The following test can be performed to help determine if the 900-I3 or the pH electrode is faulty. 1. Plug the pH electrode into a different Channel, and attempt to calibrate it. If this also fails, then continue to step 2, below. -
Page 48: Warranty
TPS Pty. Ltd. has a fine reputation for prompt and efficient service. In just a few days, our factory service engineers and technicians will examine and repair your equipment to your full satisfaction.
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