Dräger HFG 000 Series Technical Manual

Technical manual | X-am® 3500/8000 39
Maintenance
6 Maintenance
WARNING
Risk of explosion!
To reduce the risk of ignition of a flammable or explosive atmosphere, observe the
following:
► Do not open the gas detector in explosion-hazard areas.
WARNING
Danger to health!
Test gas may damage health if inhaled.
► Do not inhale the test gas. Observe the hazard warnings of the relevant Safety
Data Sheets and the instructions for use of the gas detector! Observe the
national regulations when defining calibration intervals.
6.1 Maintenance intervals
For inspections and maintenance, see:
– EN 60079-29-2 – Guidelines for selection, installation, use and maintenance of
instruments for the detection and measurement of flammable gases and oxygen
– EN 45544-4 – Electrical apparatus used for the direct detection and direct
concentration measurement of toxic gases and vapours – Part 4: Guide for
selection, installation, use and maintenance
– National regulations
6.2 Calibration intervals
Observe the relevant specifications in the Sensor Handbook or in the instructions
for use/data sheets of the DrägerSensors installed.
Recommended calibration intervals for DrägerSensors:
Test Interval
Inspection and maintenance by special-
ists.
Every 12 months
DrägerSensor Calibration interval
CatEx, O
2, H2S, H2S LC, CO LC, SO2,
NO
2
Every 6 months
IR Ex/CO
2 Every 12 months
PID HC, PID LC ppb Depending on the application condi-
tions, daily calibration may be neces-
sary. The interval can be extended little-
by-little to 30 days if there are no cali-
bration deviations on consecutive
inspections.
Other DrägerSensors See the special data sheets for the
respective sensors.

Dräger HFG 000 Series Specifications

General

Brand	Dräger
Model	HFG 000 Series
Category	Gas Detectors
Language	English