Technical data
Dräger Polytron 8100 39
10.1.3 DIN EN 50104 for DrägerSensor O
2
LS (6809630)
Sensor Principle
The DrägerSensor O
2
LS (6809630) is an electrochemical
three-electrode sensor for measuring Oxygen (O
2
) in ambient
air.
NOTICE
The sensor cannot be used for Oxygen measurements
in the presence of Helium!
Reaction at electrodes
Measuring electrode
O
2
+ 4 H
+
+ 4 e
–
=> 2 H
2
O
Counter electrode
2 H
2
O => O
2
+ 4 H
+
+ 4 e
–
Environmental parameters
Pressure 20.7 to 38.4 in. Hg (700 to1300 hPa)
Humidity 5 to 95 %RH, non-condensing
Temperature -40 to +60 °C, short term up to +65 °C
Storage temperature 0 to +40 °C
Response time
t
0...20
< 12 seconds
t
0...90
< 30 seconds
Calibration
Flow rate 0.5 L/min
Zero gas Nitrogen (99.9 Vol% N
2
)
Target gas Oxygen / Nitrogen gas mixture
Warm-up time
Operation < 90 minutes
Calibration <
6 hours