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wtw inoLab pH/Cond Level 1 User Manual

wtw inoLab pH/Cond Level 1
72 pages
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inoLab
pH/Cond Level 1
ba12234e03 10/2002
71
Operating manual
Measuring Instrument
for pH, Redox,
and Conductivity

Table of Contents

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wtw inoLab pH/Cond Level 1 Specifications

General IconGeneral
Measurement ParameterspH, mV, Conductivity, Temperature, Salinity, TDS
pH Resolution0.01 pH
pH Accuracy±0.01 pH
mV Resolution0.1 mV
Conductivity Accuracy±0.5% of value
Temperature Resolution0.1 °C
Temperature Accuracy±0.1 °C
Memory500 data sets
InterfaceUSB
Dimensions230 x 190 x 80 mm
Conductivity Resolution0.01 µS/cm
Temperature Measurement Range-5 to 105 °C
Salinity Measurement Range0.0 to 70.0 ppt
TDS Measurement Range0 to 1999 mg/L
Temperature CompensationAutomatic
DisplayLCD
Power Supply4 x AA batteries or

Summary

1 Overview

1.1 Keypad

Details the instrument's keypad layout and button functions for operation.

1.2 Display

Explains the various elements and indicators shown on the instrument's display screen.

1.3 Sockets

Identifies and describes the different connectors and ports on the instrument.

1.4 Operating structure

Illustrates the instrument's mode selection and navigation flow.

2 Safety

Target Group and Symbols

Defines the intended users and explains safety symbols used in the manual.

Authorized Use and General Safety

Outlines the proper applications and essential safety instructions for instrument operation.

Safe Operation and Operator Obligations

Details conditions for safe use and responsibilities when handling chemicals.

3 Commissioning

Connecting Power Supply

Instructions for connecting the optional plug-in power supply to the instrument.

Scope of Delivery

Lists the items included in the package upon purchase.

4 Operation

4.1 Switch on the instrument

How to turn on the instrument and start measurement mode.

4.2 Measuring the pH value/Redox voltage

Preparatory steps and procedures for pH and Redox measurements.

4.2.1 Measuring the pH value

Detailed steps for performing pH measurements using the instrument.

4.2.2 Measuring the Redox voltage

Detailed steps for performing Redox voltage measurements with the instrument.

4.3 Calibrating for pH measurements

Explains the importance of calibration and introduces different calibration procedures.

4.3.1 AutoCal TEC

Step-by-step guide for performing AutoCal TEC pH calibration.

4.3.2 AutoCal DIN

Step-by-step guide for performing AutoCal DIN pH calibration.

4.3.3 ConCal

Step-by-step guide for performing ConCal pH calibration (two-point/single-point).

4.4 Measuring the conductivity

Introduces conductivity measurement capabilities including parameters and functions.

4.4.1 Conductivity / Specific resistance

Guides on performing conductivity and specific resistance measurements.

4.4.2 Salinity

Steps for measuring the salinity of a sample using the instrument.

4.4.3 TDS (total dissolved solids)

Instructions for measuring Total Dissolved Solids (TDS) in a sample.

4.4.4 AutoRead AR (Drift control)

Explains the AutoRead function for ensuring stable conductivity measurements.

4.5 Determining/setting up the cell constant [C]

Explains why cell constant determination is necessary and outlines the process.

4.5.1 Determining the cell constant (calibration in control standard)

Detailed procedure for determining the cell constant using a calibration standard.

4.5.2 Setting up the cell constant

Instructions for manually setting the cell constant based on manufacturer data.

4.6 Setting up the temperature compensation TC

Guides on configuring non-linear, linear, and disabling temperature compensation.

4.7 Configuration

Customizing settings for temperature probes, units, and reference temperatures.

4.8 Reset

Procedure to reset pH and conductivity settings to factory defaults.

5 Maintenance, cleaning, disposal

5.1 Maintenance

Describes the primary maintenance task: battery replacement.

5.2 Cleaning

Guidelines for cleaning and disinfecting the instrument's housing.

5.3 Disposal

Information on the proper disposal of the instrument and its components.

6 What to do if...

6.1 pH system messages

Troubleshooting guide for common error messages related to pH measurements.

6.2 Conductivity system messages

Troubleshooting guide for common error messages related to conductivity measurements.

6.3 General errors

Addresses general operational issues like low battery or unresponsive keys.

7 Technical Data

7.1 General data

Provides specifications like ambient temperature, dimensions, weight, and compliance standards.

7.2 pH/Redox measurement

Details the measuring ranges and resolution for pH and Redox measurements.

7.3 Conductivity measurement

Details the measuring ranges, resolution, and accuracy for conductivity measurements.

8 Lists

Abbreviations

Explains abbreviations used throughout the operating manual and on the instrument display.

Specialist terms

Provides definitions for technical terms related to the instrument and measurements.

Index

An alphabetical index to help locate specific topics within the manual.

9 Appendix

Electromagnetic Compatibility Certificate

Presents the EMC test certificate demonstrating compliance with relevant standards.

Further Information and Notes

Points to resources for additional application notes and literature.

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