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wtw pH 7110 User Manual

wtw pH 7110
52 pages
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ba75925e01 07/2011
pH 7110
Operating manual
pH meter

Table of Contents

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wtw pH 7110 Specifications

General IconGeneral
Temperature resolution0.1 °C
Accuracy Temperature±0.1 °C
Data storage500 data sets
DisplayLCD
pH resolution0.01
Accuracy pH±0.01 pH
mV resolution0.1
Temperature range-5.0 to 105.0 °C
Protection classIP67
Power Supply4 x AA batteries
Weight300 g
mV range± 1200.0
CalibrationUp to 5-point calibration

Summary

Safety

Safety information

General safety instructions, warnings, cautions, and notes for operating the meter safely.

Safety information in the operating manual

Explanation of how safety instructions are highlighted using symbols and signal words.

Safe operation

Guidelines for authorized use, operational requirements, and conditions for not operating the meter.

Commissioning

pH value

Measuring the pH value

Detailed steps for measuring pH, including electrode connection and stability control.

Calibration

Introduction to the pH calibration process for accurate measurements.

Automatic calibration (AutoCal)

Procedure for automatic pH calibration using buffer solutions.

ORP

Measuring the ORP

Detailed steps for measuring ORP, including electrode connection and stability control.

Settings

Changing the settings for pH measurements

Guide to modifying pH measurement settings like buffer display and units.

Reset

Resetting the calibration values

How to erase calibration data and reset calibration values to default.

Resetting the measurement and system settings

How to reset measurement and system settings to their original delivery condition.

What to do if...

pH

Troubleshooting common issues during pH measurements.

Error message CalError

Troubleshooting the 'CalError' message during pH calibration.

ORP

Troubleshooting common issues during ORP measurements.

No stable measured value

Causes and remedies for unstable ORP readings.

Error message OFL, UFL

Troubleshooting 'OFL, UFL' errors for ORP measurements.

Instrument does not react to keystroke

Troubleshooting when the instrument does not respond to key presses.

Technical data

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