DR22
X
0 Radar Level Instrument
17
6 Safety information
Hazardous-duty systems
•
Types of protection in the DR22X0 terminal compartment:
Intrinsically safe”ia”
•
Consult the relevant wiring and installation regulationsbefore
mounting, dismantling or making electrical connections
in a hazardous area
Temperature rating of connecting cables:
The temperature rating of connecting cables is dependent on the maximum temperature of
the flange:
Version
Max. flange
Cable temperature
temperature
rating
Without high temperature
≤
100°C (212°F)
70°C (158°F)
distance piece
> 100°C (212°F)
80°C (176°F)
With high temperature
≤
200°C (392°F)
70°C (158°F)
distance piece
> 200°C (392°F)
80°C (176°F)