Comark C9501/IS - Manual (Page 6)

5
OPERATING INSTRUCTIONS
FOR COMARK C9500 SERIES
INTRINSICALLY SAFE
PRESSURE METERS
GENERAL INFORMATION
These instruments have been certifi ed by Baseefa 2001 Limited and are
suitable for use in accordance with the marks which have been applied.
The marks are described in Clause 28 of EN 50014.
The battery cover is attached by socket headed screws for
which an Allen key is provided with the instrument. This key
should be kept outside the hazardous area.
WARNING
The Certifi cation for this instrument is:
II 1 G EEx ia IIC T4
Baseefa 03 ATEX 0079
I N T R I N S I C S A F E T Y S T A N D A R D
E N 5 0 0 2 0 ( 2 0 0 2 ) A P P L I E S AT N O R M A L
ATMOSPHERIC PRESSURE.
NOTE: AT ELEVATED PRESSURE THE ENERGY
REQUIRED TO IGNITE CERTAIN EXPLOSIVE
ATMOSPHERES CAN REDUCE SIGNIFICANTLY,
THEREFORE ADEQUATE PRECAUTIONS SHOULD
BE TAKEN PRIOR TO THE MEASURING OF
EXPLOSIVE GASES OR MIXTURES.