Crowcon Gasman User Manual page 3

Area Classifications: -
Zone 0: An area classified as Zone 0 is an
area in which an explosive mixture
of gas is continuously present or
present for long periods.
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 concentra-
tions of flammable gases, vapours
or liquids present under normal
operating conditions.
© Copyright Crowcon Detection Instruments
Ltd 2015.
All rights are reserved. No part of the docu-
ment may be photocopied, reproduced, or
translated to another language without the
prior written consent of Crowcon Detection
Instruments Ltd.
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 war-
ranty.
• Observe all warnings and instructions
marked on the unit and within this manual.
• Observe site health and safety procedures
for gases being monitored and evacua-
tion procedures.
• Understand the screen display and alarm
warnings prior to use.
• If this product is not working properly,
read the troubleshooting guide or contact
your local Crowcon Office or agent..
• Ensure qualified service personnel change
sensors and operating system.
• Ensure maintenance , service and calibra-
tion are carried out in accordance with
the procedures in the manual and by
trained personnel.