7
Tests and Approvals
Intended Operating Area and Operating Conditions
Hazardous areas classified by zones
The device is intended to be used in hazardous areas or mines susceptible to firedamp
classified zone 1 or zone 2, within a temperature range of –20
o
C to +50
o
C or –20
o
C to
+50
o
C (depending on battery pack and batteries), where gases of explosion groups IIA, IIB
or IIC and temperature class T3 or T4 (depending on battery pack and batteries) may be
present.
If used in mines, the device is only to be used in areas known to have a low risk of mechanical
impact.
Hazardous areas classified by divisions
The device is intended to be used in hazardous areas or mines susceptible to firedamp
classified Class I&II, Div. 1 or Div. 2, within a temperature range of –20
o
C to +50
o
C or
–20
o
C to +50
o
C (depending on battery pack and batteries), where gases or dusts of groups
A, B, C, D or E, F, G and temperature class T3 or T4 (depending on battery pack and
batteries) may be present.
Safety Instructions
ATTENTION:
To reduce the danger of explosion, do not mix new batteries with old batteries and do not
mix batteries made by different manufacturers.
ATTENTION:
Always disconnect the device from the power pack before carrying out any maintenance
operations.
ATTENTION:
Substitution of components may impair intrinsic safety.
CAUTION:
Not tested in an oxygen-enriched atmosphere (>21% O
2
).
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