
4. Safety Regulations
The use of the 
The following safety regulations must be complied with:
-The housing of the quartz mechanism and the battery
-compartment must not be opened within the 
-The battery must only be changed outside of the 
-Additional or spare batteries must not be carried in the 
-Only the 
-Instructions may be used.
-Ensure that 
-to the wall.
-Precautionary measures must be taken to prevent the unit from - - falling into an area classified as zone 0.
-The entire back face of the unit must only be cleaned with a - - - - -
damp cloth.
5. 
EC Certificate  | 
  | 
of Conformity no.:  | PTB 02 ATEX 2197 X  | 
II 2 G EEx ia IIC T4  | 
Approved for areas classified as zones 2 and 1, device group II, gas group C potentially explosive gases, vapours or mist, temperature class T4
Report job  | 
  | 
  | 
  | 
  | 
identification no.:  | 3015562  | 
  | 
  | 
  | 
FM identification:  | I.S. Class I  | Division 1 Group   | ||
6. Technical Data | 
  | 
  | 
  | 
  | 
Ambient temperature Ta:  | 0 ... +50°C  | |||
Storage temperature:  | 
  | 0 ... +50°C  | ||
Battery / power supply:  | 1 x LR14 acc. to IEC; C  | |||
Battery operating time:  | 1 year  | |||
Accuracy of  | 
  | 
  | 
  | 
  | 
quartz mechanism:  | 
  | |||
Dimensions:  | 
  | 
  | 
  | 
  | 
  | 400 x 60 mm  | |||
  | 500 x 70 mm  | |||
Weight (incl. batteries):  | 
  | 
  | 
  | |
  | 2.0 kg  | |||
  | 3.4 kg  | |||
CE labelling:  | 
  | 
  | ||
  | 
  | 
  | 0102  | |
14  | 15  |