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wtw pH 315i User Manual

wtw pH 315i
44 pages
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ba52308e02 03/2004
Handheld meter
pH 315i
ba52308e
Operating manual
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pH measuring instrument
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wtw pH 315i Specifications

General IconGeneral
Brandwtw
ModelpH 315i
CategoryMeasuring Instruments
LanguageEnglish

Summary

WTW pH 315i Operating Manual

Product Identification

Identifies the WTW pH 315i as a handheld meter and pH measuring instrument.

1 Overview

Instrument Components Overview

Introduces the main components of the pH 315i handheld meter, including keypad, display, and jack field.

Sets of Equipment

Details available sets of equipment for the pH 315i, including accessories and configurations.

Keypad Functions Explained

Explains the function of each key on the pH 315i keypad for operation and control.

Display and Jack Field Details

Provides a detailed description of the pH 315i display elements and the jack field connections for electrodes.

2 Safety

Authorized Use and Safety Symbols

Defines the authorized applications for the pH 315i and explains the meaning of safety-related symbols used in the manual.

General Safety Instructions

Outlines essential safety guidelines for operating and handling the pH 315i instrument and its accessories.

3 Commissioning

Scope of Delivery

Lists the items included in the standard delivery package for the WTW pH 315i handheld meter.

4 Operation

Switching On the Instrument

Provides step-by-step instructions on how to power on the pH 315i measuring instrument.

Preparatory Measuring Activities

Details the essential steps to prepare the pH 315i for accurate measurements, including electrode connection and calibration.

Temperature Sensor Use

Explains the importance and function of the temperature probe for accurate pH measurements with the pH 315i.

Measuring pH Value

Guides users through the process of measuring the pH value using the pH 315i instrument.

AutoRead Functionality

Explains how to use the AutoRead function for checking measurement signal stability and improving reproducibility.

Measuring ORP Voltage

Details the procedure for measuring ORP (Oxidation-Reduction Potential) voltage using the pH 315i.

4.3 Calibrating

Purpose of Calibration

Explains why regular calibration of pH electrodes is necessary for accurate measurements with the pH 315i.

AutoCal TEC Method

Describes the AutoCal TEC calibration procedure, adapted for WTW technical buffer solutions.

AutoCal DIN Method

Details the AutoCal DIN calibration procedure, using standard buffer solutions according to DIN 19266.

Calibration Evaluation Criteria

Explains how the pH 315i evaluates electrode status (asymmetry and slope) after calibration.

Three-Point Calibration Procedure

Details the steps for performing a three-point calibration, applicable to both AutoCal TEC and AutoCal DIN.

Instrument Settings and Reset

Instrument Configuration Settings

Explains how to adapt the pH 315i settings, such as display during calibration, to individual requirements.

Resetting Default Settings

Guides users on how to reset the pH 315i instrument to its original factory default settings.

5 Maintenance, Cleaning, Disposal

Instrument Maintenance

Provides information on the maintenance requirements of the pH 315i, noting it is largely maintenance-free.

Replacing Batteries

Step-by-step instructions for safely replacing the batteries in the pH 315i handheld meter.

Cleaning the Instrument Housing

Instructions on how to clean the exterior of the pH 315i, including warnings about suitable cleaning agents.

Disposal of Components

Provides guidance on the proper disposal of the pH 315i instrument, its packaging, and batteries.

6 What to do if...

Handling Error Messages

Guides users on diagnosing and resolving common error messages (OFL, E3) encountered with the pH 315i.

Troubleshooting: Unstable Readings

Provides solutions for issues related to unstable measurements and the 'LoBat' battery indicator on the pH 315i.

Troubleshooting: Measurement Errors

Offers solutions for obviously incorrect measured values and when the instrument fails to respond to keystrokes.

7 Technical Data

Ambient and Operating Conditions

Specifies the environmental conditions for storage and operation, including temperature and humidity ranges.

Measuring Ranges and Resolution

Details the measuring ranges and resolution for pH, voltage (mV), and temperature measurements by the pH 315i.

Power Supply and Mechanical Specs

Outlines the power supply details, operational life, IP rating, and mechanical dimensions of the pH 315i.

Regulatory Compliance and Certifications

Lists the EMC guidelines, safety standards, climatic class, and test certificates applicable to the pH 315i.

8 Lists

Abbreviations and Glossary

Provides lists of abbreviations used in the manual and a glossary of technical terms for better understanding.

Index Entries

Contains an index of topics covered in the manual, with corresponding page numbers for quick reference.

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