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GMI Shipsurveyor - User Manual

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User Handbook
Gas Measurement Instruments Ltd

Table of Contents

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GMI Shipsurveyor Specifications

General IconGeneral
BrandGMI
ModelShipsurveyor
CategorySecurity Sensors
LanguageEnglish

Summary

Safety Precautions

Servicing and Calibration Requirements

Instrument requires regular servicing and calibration by trained personnel in a safe area.

Battery Safety and Handling

Guidelines for battery exchange, charging, and handling to prevent ignition hazards.

Approved Parts and Procedures

Emphasizes using only GMI parts and following organizational gas detection procedures.

Certifications and Compliance Standards

Lists ATEX, IEC Ex, EN 50104, and MED Directive compliance for Shipsurveyor instruments.

Hazard Warnings and Precautions

Provides warnings on preventing ignition, handling batteries, and operating in hazardous atmospheres.

Battery Information and Use

Approved Battery Types

Lists approved alkaline and rechargeable battery models for ATEX certified instruments.

Battery Handling Warnings

Warnings against mixing batteries, recharging non-rechargeable cells, and use in oxygen-enriched atmospheres.

Areas of Use Restrictions

General Information

Instrument Models and Gas Ranges

Details the eight SHIPSURVEYOR models and their corresponding gas sensor ranges.

Operating Ranges Details

LEL Range (0-100%)

Indicates explosivity as a percentage of the lower explosive limit (LEL).

Volume Gas and Oxygen Measurement

Volume Gas Range (0-100%)

Displays total volume of flammable gas with configurable resolution.

Oxygen Measurement (0-25%)

Displays percentage of oxygen in the sample with specific resolution.

Toxic Gas Measurements

Hydrogen Sulphide (H2 S) Range (0-100 ppm)

Displays parts per million (ppm) of Hydrogen Sulphide with 1 ppm resolution.

Carbon Dioxide (CO2) Range (0-20%)

Displays percentage of Carbon Dioxide with specific resolution for different ranges.

Carbon Monoxide Measurement

Carbon Monoxide (CO) Range (0-1000 ppm)

Displays parts per million (ppm) of Carbon Monoxide with 1 ppm resolution.

Operating Modes

Confined Space Monitor (CSM) Operation

Acts as a safety monitor for confined spaces, detecting hazardous gases and TWA.

Combustible Gas Indicator (CGI) Operation

Acts as a gas indicator, drawing samples from points where gas is suspected.

Alarms and Datalogging

Alarms Functionality

Details alarms in CSM mode, latching/non-latching options, and muting.

Datalogging Capabilities

Instrument memory stores entries; automatic/manual datalogging in CSM, manual in CGI.

Before Use Checks

Probe Connection and Operating Modes

Switching ON Operating Modes

Explains how to switch on for CSM or CGI operation using specific buttons.

Sensor Zeroing Process

Failed Sensor Handling

Describes handling of failed sensors during zeroing, with option to continue or shut down.

Sensor Fault Handling

Continuing Operation with Sensor Fault

Explains continuing operation with fault and viewing faulty range display.

Rejecting Sensor Fault and Shutdown

Describes rejecting fault and initiating instrument shutdown.

Sensor Zeroing with Gas Present

Gas Present During Warm-up

Illustrates gas reading flashing during warm-up; procedure to correct.

Acknowledge Alarms (CSM Mode)

Clearing Latching Alarms

Details clearing latching alarms after gas level drops below limit.

Muting Non-Latching Alarms

Explains muting non-latching alarms using the 'MUTE' button.

Alarms - Gas Alarms

Gas Alarm Indications

Details how gas alarms are indicated with audible and visual signals in CSM mode.

Flammable and Oxygen Alarms

Flammable (LEL) Alarms

Describes configurable instantaneous alarm levels (Hi, HiHi) for flammable gases.

Oxygen (O2) Alarms

Describes configurable alarm levels (HiHi, Lo, LoLo) for oxygen, including deficient scenarios.

Toxic Gas and TWA Alarms

Toxic Alarms (e.g. CO)

Describes instantaneous alarm levels and Time Weighted Average (TWA) alarms for toxic gases.

Fault Alarms in CSM Mode

Fault Alarms in CGI Mode

Zero Fault Conditions

Zero Fault Display and Correction

Illustrates zero fault display and procedure to correct by restarting the instrument.

Sensor Fault Conditions

Flow Fault Conditions

Memory Fault Conditions

Battery Exhausted Conditions

Operator Maintenance - Batteries

Battery Replacement Warnings

Battery Replacement Procedure

Removing Battery Cover

Details loosening screws and removing the battery cover to access batteries.

Completing Battery Replacement

Removing and Installing Batteries

Covers removing old batteries, charging new ones, checking compartment, and installing new batteries.

Final Checks After Replacement

Ensures battery cover is fastened and checks instrument switches on correctly.

Calibration Methods

Typical Operating Parameters - Gas Ranges

Quick Operating Instructions - Checklist and Safety

General Safety Guidelines

Covers servicing, battery exchange, parts, gas detection procedures, and certifications.

Quick Operating Instructions - Warnings and Areas of Use

Operational Warnings and Cautions

Provides critical warnings regarding ignition, battery handling, and oxygen-enriched atmospheres.

Quick Operating Instructions - Operation

Quick Operating Instructions - Instrument Functions