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Gasman

Personal Gas Monitor

User Manual

M07630

November 2004

Issue 1

Safety information:

• Read and understand all instructions in the

operation section of this manual before use.

• Do not substitute components as this may

impair intrinsic safety and invalidate warr a n t y.

• Observe all warnings and instructions marked

on the unit and within this manual.

• Observe site health and safety procedures for

gases being monitored and evacuation proce-

dures.

• Make sure you understand the screen display

and alarm warnings.

• If this product is not working properly, read

the troubleshooting guide or call Crowcon.

• Ensure qualified service personnel change

sensors and operating system.

• Ensure maintenance and calibration are car-

ried out in accordance with the procedures in

the manual.

Instructions specific for use in hazardous areas

The following instructions apply to equipment

covered by certificate number:

Baseefa04ATEX0383 Flammable Gas

Baseefa04ATEX0384 Oxygen or Toxic Gas

The following information covers all relevant

points listed in clause 1.0.6 of the EHSR’s of the

ATEX directive.

1. The certification marking is as follows:

2. The equipment may be used in Zones 1 and 2

for flammable versions and Zones 0, 1, and 2

for toxic and oxygen versions, for Group IIA,

IIB, and IIC gases and vapours for Temperature

Classes T1, T2, T3 and T4

3. The equipment is certified for use in ambient

temperatures in the range –20°C to +65°C

(-4 to +149 F). The equipment should not be

used outside these ranges.

4. The equipment has not been assessed as a

safety-related device (as referred to by the

Directive 94/9/EC Annex II, clause 1.5)

5. Repair of this equipment and gas sensor

replacement shall be carried out by the manu-

facturer or in accordance with the applicable

code of practice.

6. If the equipment is likely to come into contact

with aggressive substances, then it is the

responsibility of the user to take suitable pre-

cautions that prevent it from being adversely

affected, thus ensuring that the type of protec-

tion is not compromised.

7. The rechargeable battery must only be charged

in non-hazardous (safe) areas by connection to

the specified Crowcon charger.

8. Only the following cell types may be fitted in

the battery compartment of the non-recharge-

able battery pack: CR 2477

The cells must only be changed in a non-

hazardous (safe) area.

9. The equipment is not certified for use in atmos-

pheres containing more than 21% oxygen.

Area Classifications: -

Zone 1: An area classified as Zone 1 is likely to have

ignitable concentrations of flammable

gases, vapours or liquids present under

normal operating conditions.

Zone 2: An area classified as Zone 2 is not likely to

have ignitable concentrations of flamma-

ble gases, vapours or liquids present under

normal operating conditions.

All rights are reserved. No part of the document may be pho-

tocopied, reproduced, or translated to another language with-

out the prior written consent of Crowcon Detection

Instruments Ltd.

Publication number: M07630

First edition: November 2004

Crowcon Detection Instruments Ltd

2 Blacklands Way, Abingdon

OX14 1DY UK

Tel. +44 (0)1235 557700

Fax. +44 (0)1235 557749

www.crowcon.com

Email: sales@crowcon.com

Gasman

Personal Gas Monitor

Contents

Unpacking ................................................1

Quickstart guide ........................................3

Introduction ..............................................7

Operation..................................................9

Batteries ..................................................13

Alarm indications ....................................13

Fixing accessories ....................................16

Flow sampling ........................................17

Maintenance and calibration....................21

PC interface and software........................22

i-module replacement..............................23

Specification............................................25

Accessories and spare parts ....................26

Troubleshooting guide ............................28

Appendix: Limitations of sensors..............29

Produktspecifikationer

Varumärke:	Crowcon
Kategori:	Mätutrustning
Modell:	Gasman-O2

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