6
Safety instructions
WARNING
To reduce the danger of explosion, do not mix new batteries with old batteries and do
not mix batteries made by different manufacturers.
WARNING
Always disconnect the instrument from the power pack before carrying out any
maintenance operations.
WARNING
Substitution of components may impair intrinsic safety.
CAUTION
Not tested in an oxygen-enriched atmosphere (>21 % O
2
).
CAUTION
Only the combustible gas detection portion of this instrument has been assessed by
CSA for performance. The instrument is not classified by CSA for use in mines.
WARNING
CSA requirement: A sensitivity test should be conducted before each use at a
concentration between 25 and 50 % of the maximum concentration of the measured
gas. The accuracy here must be between 0 and +20 % of the actual value. The
accuracy can be corrected via calibration.
WARNING
High off-scale readings may indicate an explosive concentration.
WARNING
Only use power packs ABT 0100 (83 22 237), HBT 0000 (83 18 704) or HBT 0100
(83 22 244). See marking on power pack for approved batteries and related
temperature class.
WARNING
Increased hydrogen concentrations within the measuring range of the Dräger Sensor
XXS H2 HC may result in false alarms due to the additive effect on the Dräger
sensors XXS H2S, and XXS CO, XXS H2S (LC) and XXS CO (LC) as well as due to
the negative effect on the Dräger Sensor XXS O2.
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