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TPS 901-PH - User Manual

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Congratulations !
You have purchased the latest in benchtop pH-mV-Temperature instrumentation.
We trust that your new 901-PH will give you many years of reliable service.
The 901-PH 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 901-PH. It also contains a full listing of all of the items that you should
have received with your 901-PH. 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 901-PH,
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
Email : tps@tpssite.com.au
Web Site : www.tpssite.com.au
Model 901-PH
pH-mV-Temp.
Meter
Handbook Version : 5
Date : 30-Aug-99
Author : MS

Questions and Answers

Summary

Introduction to the 901-PH Instrument

901-PH Display and Controls Overview

Describes the instrument's display and controls, including the alphanumeric LCD and user prompts.

901-PH Rear Panel Connectors

Details the various connectors located on the rear panel of the 901-PH.

901-PH Front Panel Components

Explains the front panel layout, including the Mode and Calibrate keys, and their functions.

Unpacking Information and Accessories

Lists accessories to check upon receiving the 901-PH instrument, including standard and optional items.

Technical Specifications of the 901-PH

Provides detailed technical specifications for the 901-PH, covering ranges, accuracy, power, and environment.

Operating Modes of the 901-PH

pH Calibration Procedures

Step-by-Step pH Calibration

Step-by-step guide for calibrating the pH measurement of the 901-PH using primary and secondary buffers.

Important pH Calibration Notes

Provides important notes and recommendations for performing pH calibration, including frequency and data retention.

Understanding pH Calibration Messages

Explains the messages displayed by the 901-PH after pH calibration attempts, indicating success or failure.

mV Calibration

Temperature Calibration

Temperature Calibration Procedure

Outlines the steps for calibrating the temperature sensor of the 901-PH using a mercury thermometer.

Temperature Calibration Notes

Offers advice on temperature calibration frequency and data retention, noting it doesn't need frequent recalibration.

Temperature Calibration Messages

Explains the messages shown by the 901-PH after temperature calibration, indicating offset values.

Manual Temperature Setting

Describes how to manually set the temperature compensation value when the temperature sensor is unplugged.

RS232 Port Functionality

Setting the RS232 Baud Rate

Explains how to configure the baud rate for RS232 communication with the 901-PH.

Sending Readings via RS232 Port

Details how to set the rate at which readings are sent via the RS232 port, including zero for commands.

RS232 Communication Configuration

Lists the standard RS232 communication parameters: 8 bits, No Parity, 1 Stop Bit, XON/XOFF.

Communication and Statistical Software

Discusses software for PC communication and data analysis, including BASIC and Windows versions.

RS232 Communication Commands

Lists commands that can be sent from a PC to control or query the 901-PH, like requesting data.

RS232 Data Transmission Format

Describes the format of data transmitted to the RS232 port, including units and temperature compensation indicators.

Recorder Output Option

RS232 and Recorder Output Socket Connections

Details the pinout and connections for the RS232 and recorder output sockets on the rear panel.

Selecting Buffers for Automatic Buffer Recognition

Initialising the 901-PH Instrument

Troubleshooting Common Issues

General Error Messages and Remedies

Lists general error messages, their possible causes, and recommended remedies for the 901-PH.

pH and mV Troubleshooting Guide

Provides solutions for common problems related to pH and mV readings, calibration failures, and inaccurate results.

Temperature Troubleshooting Guide

Offers remedies for issues encountered with temperature readings, such as 'OverR' display or inaccurate calibration.

Appendices and Technical Information

pH Sensor Fundamentals Explained

Explains the basic principles of how a combination pH sensor works, including sensing membrane and reference junction.

pH Sensor Asymmetry Explained

Defines and illustrates the concept of asymmetry in pH sensors, relating it to mV output at 7.00 pH.

pH Sensor Slope Characteristics

Explains the slope characteristic of a pH sensor, expressed as mV per pH unit, and its relation to ideal performance.

Temperature Compensation in pH Sensing

Describes how temperature affects pH sensor slope and how it's compensated for using ATC sensors or manual settings.

Polarisation Output Connector Usage

Details the purpose and usage of the polarization output connector for Karl Fischer titrations with the Double Platinum electrode.

Guard Connector Functionality

Explains the function of the guard connector for improving reading stability by mitigating static charge or electrical noise.

Checking the pH Sensor Reference Junction

Provides a test procedure to diagnose issues with the pH sensor's reference junction, which may cause inaccurate readings.

Determining Instrument or Sensor Faults

Outlines a procedure to test the 901-PH instrument and its pH sensor for faults by checking stability and drift.

Warranty and Service Information

Procedure for Equipment Service

Explains the process for returning the equipment for service or repair, including necessary documentation.

Summary

Introduction to the 901-PH Instrument

901-PH Display and Controls Overview

Describes the instrument's display and controls, including the alphanumeric LCD and user prompts.

901-PH Rear Panel Connectors

Details the various connectors located on the rear panel of the 901-PH.

901-PH Front Panel Components

Explains the front panel layout, including the Mode and Calibrate keys, and their functions.

Unpacking Information and Accessories

Lists accessories to check upon receiving the 901-PH instrument, including standard and optional items.

Technical Specifications of the 901-PH

Provides detailed technical specifications for the 901-PH, covering ranges, accuracy, power, and environment.

Operating Modes of the 901-PH

pH Calibration Procedures

Step-by-Step pH Calibration

Step-by-step guide for calibrating the pH measurement of the 901-PH using primary and secondary buffers.

Important pH Calibration Notes

Provides important notes and recommendations for performing pH calibration, including frequency and data retention.

Understanding pH Calibration Messages

Explains the messages displayed by the 901-PH after pH calibration attempts, indicating success or failure.

mV Calibration

Temperature Calibration

Temperature Calibration Procedure

Outlines the steps for calibrating the temperature sensor of the 901-PH using a mercury thermometer.

Temperature Calibration Notes

Offers advice on temperature calibration frequency and data retention, noting it doesn't need frequent recalibration.

Temperature Calibration Messages

Explains the messages shown by the 901-PH after temperature calibration, indicating offset values.

Manual Temperature Setting

Describes how to manually set the temperature compensation value when the temperature sensor is unplugged.

RS232 Port Functionality

Setting the RS232 Baud Rate

Explains how to configure the baud rate for RS232 communication with the 901-PH.

Sending Readings via RS232 Port

Details how to set the rate at which readings are sent via the RS232 port, including zero for commands.

RS232 Communication Configuration

Lists the standard RS232 communication parameters: 8 bits, No Parity, 1 Stop Bit, XON/XOFF.

Communication and Statistical Software

Discusses software for PC communication and data analysis, including BASIC and Windows versions.

RS232 Communication Commands

Lists commands that can be sent from a PC to control or query the 901-PH, like requesting data.

RS232 Data Transmission Format

Describes the format of data transmitted to the RS232 port, including units and temperature compensation indicators.

Recorder Output Option

RS232 and Recorder Output Socket Connections

Details the pinout and connections for the RS232 and recorder output sockets on the rear panel.

Selecting Buffers for Automatic Buffer Recognition

Initialising the 901-PH Instrument

Troubleshooting Common Issues

General Error Messages and Remedies

Lists general error messages, their possible causes, and recommended remedies for the 901-PH.

pH and mV Troubleshooting Guide

Provides solutions for common problems related to pH and mV readings, calibration failures, and inaccurate results.

Temperature Troubleshooting Guide

Offers remedies for issues encountered with temperature readings, such as 'OverR' display or inaccurate calibration.

Appendices and Technical Information

pH Sensor Fundamentals Explained

Explains the basic principles of how a combination pH sensor works, including sensing membrane and reference junction.

pH Sensor Asymmetry Explained

Defines and illustrates the concept of asymmetry in pH sensors, relating it to mV output at 7.00 pH.

pH Sensor Slope Characteristics

Explains the slope characteristic of a pH sensor, expressed as mV per pH unit, and its relation to ideal performance.

Temperature Compensation in pH Sensing

Describes how temperature affects pH sensor slope and how it's compensated for using ATC sensors or manual settings.

Polarisation Output Connector Usage

Details the purpose and usage of the polarization output connector for Karl Fischer titrations with the Double Platinum electrode.

Guard Connector Functionality

Explains the function of the guard connector for improving reading stability by mitigating static charge or electrical noise.

Checking the pH Sensor Reference Junction

Provides a test procedure to diagnose issues with the pH sensor's reference junction, which may cause inaccurate readings.

Determining Instrument or Sensor Faults

Outlines a procedure to test the 901-PH instrument and its pH sensor for faults by checking stability and drift.

Warranty and Service Information

Procedure for Equipment Service

Explains the process for returning the equipment for service or repair, including necessary documentation.

TPS 901-PH Specifications

General IconGeneral
BrandTPS
Model901-PH
CategoryMultimeter
LanguageEnglish