9
2 Features
2.3
Explosion protection
The device is assigned to the following explosion-proof groups:
Explosion-proof
group
For the following at-
mospheres
When using
II2G Ex d e ib IIB T4 Gb
●
Methane CH
4
●
Propane C
3
H
8
●
Butane C
4
H
10
●
Tracer gas with max.
5% H
2
in N
2
Device
with-
out
carrying
bag TG8
II2G Ex d e ib IIC T4 Gb
●
Methane CH
4
●
Propane C
3
H
8
●
Butane C
4
H
10
●
Hydrogen H
2
●
Tracer gas
Device
with
carrying bag
TG8
EC type-examination certificate: TÜV 07 ATEX 553353 X
A
WARNING!
It is essential to observe the following points to ensure that
the device is explosion-proof:
●
Only ever open the battery compartment and recharge
the batteries outside of explosive areas.
●
Only use the USB port outside of explosive areas.
●
Always use the appropriate type of disposable/recharge-
able battery.
●
To ensure that the device complies with explosion-proof
group
IIC
with hydrogen H
2
and tracer gas containing
more than 5% H
2
in N
2
, the device must be used in car-
rying bag TG8.
