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GMI GT series User Manual

GMI GT series
147 pages
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User Handbook
Gas Measurement Instruments Ltd

Table of Contents

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GMI GT series Specifications

General IconGeneral
BrandGMI
ModelGT series
CategoryMeasuring Instruments
LanguageEnglish

Summary

Introduction to GT Series Instruments

GT Series Instrument Ranges

Lists the detection ranges available for GT series instruments, including Methane, Oxygen, CO, and H2S.

General Features of GT Series

GT Series Modes of Operation

Leak Test Mode

For investigating odour or leak complaints and pinpointing leaks.

Confined Space Mode

Used for confined space pre-entry testing and personal monitoring.

Barhole Testing Mode

Used to locate underground leaks, can be timed or non-timed.

CO (Carbon Monoxide) Mode

For making CO Direct, Differential CO, or Air Free CO readings.

Purge Mode

Used in gas and air purging applications.

Sniffer Mode

Used to find small fitting leaks with fast detection rates.

Pressure Mode

Used as a manometer to measure appliance and regulator pressure.

Bump Test Mode

Allows user to set up gases, apply gases, and log readings.

Operating Procedures

Switch the Instrument On

Steps to power on the instrument in fresh air, including warm-up cycle.

Battery Status

Displays the instrument's battery capacity level indicator.

Calibration Due Date

Information regarding the instrument's calibration due date and overdue status.

Service Due Date

Details on when the instrument is due for service and overdue status.

Leak Test Mode Operations

Leak Test Features

Lists the features available for Leak Test mode, such as alarms and backlight.

Leak Test Displays

Explains the various display screens and indications during leak tests.

Leak Test Button Operation

Summary of button functions and their actions in Leak Test mode.

Confined Space Mode Features

CSM Features

Outlines the features specific to Confined Space Mode, like alarms and datalogging.

CSM Button Operation

Describes the button functions and their actions within CSM mode.

Alarms and Indicators

Fault Alarms

Details indications for various faults like low battery, zero fault, and sensor faults.

Operator Maintenance Procedures

Filter Replacement Guide

Guide on how to replace dust, hydrophobic, chemical, and cotton filters.

Battery Replacement Instructions

Instructions for replacing the instrument's alkaline or rechargeable batteries.

Instrument Calibration

Calibration Validity

User's responsibility for maintaining calibration validity and recommended checks.

Available Accessories

Additional Information

Training Courses

Information on available training courses for GMI products and contact details.

Typical Operating Parameters

Quick Operating Instructions

General Safety Guidelines

General safety guidelines and warnings for instrument use and battery handling.

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