Dräger P3U - Page 6

Intended Use
6
If used together with a control unit (e. g. Regard without a safety barrier) or equipped with a relay module:
— Warning before any hazardous gas concentrations are reached.
— Automatic implementation of counter measures (for example, connection of an additional ventilation).
— Warning for device errors; display of necessary maintenance work.
— Special calibration mode (blocking of alarm triggering, display of calibration mode, one-man calibration).
Detection of oxygen in accordance with EN 50104
Measuring function for the explosion protection
BVS 03 ATEX E 406 X
Measurement of oxygen
PFG No. 41300504
Caution: No explosion protection. Explosion hazard!
Attention:
If the Dräger Polytron 7000 transmitter is used for the detection of oxygen, at least one alarm relay must be configured
as latching.
Dräger Polytron 7000 4 to 20 mA
with/without display and keypad
with/without relay and pump module
in connection with DrägerSensor
Measuring range Testing standard
O
2
LS (6809630)
O
2
(6809720)
0 to 25 Vol.-% O
2
EN 50104 (neutralization measurement)
Dräger Polytron 7000 4 to 20 mA
with/without display and keypad
with/without relay and pump module
in connection with DrägerSensor
Measuring range Testing standard
O
2
LS (6809630)
O
2
(6809720)
0 to 25 Vol.-% O
2
EN 50104 (oxygen deficiency and excess
of oxygen)