Crowcon Gasman User Manual page 3

The cells must only be changed in a
non-hazardous (safe) area.
9. The equipment is not certified for use in
atmospheres 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 concentra-
tions of flammable gases, vapours
or liquids present under normal
operating conditions.
© Copyright Crowcon Detection Instruments
Ltd 2008.
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.
Publication number: M07630
Seventh edition: October 2008