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GMI PS241 User Manual

GMI PS241
92 pages
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Personal Surveyor 200
User Handbook
Gas Measurement Instruments Ltd

Table of Contents

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GMI PS241 Specifications

General IconGeneral
TypePressure Switch
Protection ClassIP65
Power Supply24 VDC
Contact TypeSPDT
Process ConnectionG1/4"
Operating Temperature-20...80°C

Summary

COPYRIGHT

LIABILITY

MODIFICATION NOTICES

SOFTWARE

DISPOSAL ADVICE

SAFETY

ADDITIONAL SAFETY DETAILS - CSA ONLY

Specific safety guidelines for CSA certified instruments.

AREAS OF USE

SPECIAL CONDITIONS OF USE

STORAGE, HANDLING AND TRANSIT

WARRANTY

INTRODUCTION

1.1 GENERAL DESCRIPTION

Provides a comprehensive overview of the PS200 series gas detector.

1.2 FEATURES

Lists the key features and capabilities of the PS200 instrument.

1.3 DATA LOGGING

Details the data logging capabilities of the PS200 series instruments.

1.3.1 Archiving Stored Readings

Explains how to download stored readings to a PC.

1.4 FILTERS

Describes the instrument's protective filters and replacement.

1.5 CONSTRUCTION

Information on the instrument's housing and durability.

1.6 IDENTIFICATION LABEL

Details the information found on the instrument's rear label.

1.7 CERTIFICATION

Outlines the certifications and standards the PS200 complies with.

OPERATION

2.1 OPERATING PROCEDURE

Step-by-step guide for operating the PS200 instrument.

2.2 SWITCH THE INSTRUMENT ON

How to power on the PS200 instrument.

2.2.1 Instrument Identification

Displays serial number, software version, and battery status during warm-up.

2.2.2 Battery Status

Shows the current charge level of the instrument's battery.

2.2.3 User Name / Number Only (Option)

Allows users to assign a name or code for logs.

2.2.4 Date and Time

Displays the instrument's built-in clock date and time.

2.2.5 Bump Due Date (Option)

Notifies users about upcoming or overdue bump tests.

2.2.6 Calibration Due Date

Indicates when the instrument's calibration is due or overdue.

2.2.7 Service Due Date (Option)

Alerts users about upcoming or overdue service dates.

2.2.8 Select Calibration Gas (Option)

Allows selection of different calibration gases for accurate readings.

2.2.9 Sensor Confirmation Check

Verifies that sensors have been zeroed correctly.

2.2.10 Memory Fault

Indicates a memory fault preventing instrument operation.

2.2.11 Normal Operating Display

Shows the standard display after successful warm-up.

2.3 SWITCH THE DISPLAY BACKLIGHT ON / OFF

Manually toggles the display backlight for visibility.

2.4 MANUAL DATALOG

Allows manual storage of data logs.

2.5 VIEW MAXIMUM AND MINIMUM RECORDED VALUES SINCE SWITCH ON

Displays the highest and lowest gas readings recorded since start-up.

2.6 ALARMS RESET OR ACKNOWLEDGE

Procedures for resetting or acknowledging active alarms.

2.6.1 Confidence Signal

Confirms instrument operation with periodic beeps and LED flashes.

2.7 REMOTE SAMPLING (with pump option)

How to perform remote gas sampling using the instrument's pump.

2.7.1 Pump Operation

Details on starting, stopping, and operating the internal pump.

2.8 SELF TEST

Performs a self-test of the instrument's functions.

2.9 SWITCH THE INSTRUMENT OFF

Instructions on how to properly shut down the instrument.

MANUAL BUMP TEST OPTIONS

3.1 BACKGROUND

Explains the purpose and process of bump testing sensors.

3.2 MANUAL BUMP OPTIONS

Describes the QUICK and FULL bump test options available.

3.3 INITIATING A MANUAL BUMP TEST

Steps to start and confirm a manual bump test.

3.3.1 Regulator Valve Selection (Pumped Instrument Only)

Choice of regulator valve for pumped instruments during bump tests.

3.4 APPLYING TEST GAS

How to apply test gas to the instrument for bump testing.

3.5 QUICK / FULL BUMP TEST

Details the outcomes of Quick and Full bump tests.

3.6 ALARM CONFIRMATION

User confirmation of audible and visual alarms during bump test.

3.7 BUMP TEST RESULT

Displays whether the bump test passed or failed.

ALARMS

4.1 GAS ALARMS

Details on how gas alarms are triggered and indicated.

PS200 Series (Default) Alarm Indications

Table showing default alarm types, latching, mute, audible, vibrating, and visual settings.

4.1.1 Flammable LEL Alarm Limit

Describes the alarm levels for flammable gases (LEL).

4.1.2 Over-Range Flammable Gas Alarm Function

Explains the safety alarm for exceeding 100% LEL.

4.1.3 Oxygen (O2) Alarm Limits

Details the alarm levels for oxygen (O2) concentration.

4.1.4 Toxic Alarm Limits

Covers alarms for toxic gases, including STEL and LTEL.

4.2 ACKNOWLEDGE GAS ALARMS

How to acknowledge gas alarms once in a safe area.

4.3 MUTE ALARMS

Procedures for muting audible alarms temporarily.

4.4 HIGH FLAMMABLE GAS OVER-RANGE ALARM

Warning and indication for dangerous over-range flammable gas levels.

4.5 FAULT ALARMS

Information on various instrument faults and their indications.

4.5.1 Low Battery

Warning for low battery status and remaining operation time.

4.5.2 Zero Fault

Indicates a fault in the sensor zeroing process.

4.5.3 Sensor Fault

Alerts to sensor integrity issues or electrical faults.

4.5.4 Flow Fault (Pumped Instruments Only)

Warning for flow or sample line issues in pumped models.

4.5.5 Calibration Required

Notifies when instrument calibration is overdue or required.

4.5.6 Calibration Expired

Indicates that the instrument's calibration date has passed.

OPERATOR MAINTENANCE

5.1 CLEANING

Instructions for cleaning the instrument's exterior casing.

5.2 REPLACE INSTRUMENT FILTERS

Procedures for inspecting and replacing the instrument's filters.

5.2.1 Replace Sensor Hydrophobic Filter

Detailed steps for replacing the sensor's hydrophobic filter.

5.2.2 Replace Sample Inlet (Dust) Filter

Steps to replace the sample inlet dust filter.

5.2.3 In-line Hydrophobic Filter (Accessory)

Details on the in-line filter for moisture protection.

RECHARGE BATTERY

6.1 RECHARGE INSTRUMENT BATTERY

General guidance on recharging the battery.

6.1.1 Recharge Instrument using the Charging / Comms Clip

How to charge the instrument using the comms clip.

6.1.2 Recharge Instrument using the 5-way Charger

Charging multiple instruments simultaneously with the 5-way charger.

6.1.3 Recharge Instrument using the 12V / 24V In-Vehicle Charging Adaptor

Charging the instrument using a vehicle's 12V/24V socket.

6.1.4 Recharge Instrument using the In-Vehicle Charging Cradle

Charging the instrument using a vehicle charging cradle.

CALIBRATION

7.1 GENERAL DESCRIPTION

Explains the importance and methods of instrument calibration.

7.2 CALIBRATION VALIDITY

Discusses user responsibility for maintaining calibration validity.

ACCESSORIES

ADDITIONAL INFORMATION

9.1 TRAINING

Details on available training courses for GMI products.

9.2 WEBSITE

Provides the GMI company website address.

TYPICAL OPERATING PARAMETERS

LEL SENSOR TYPES

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