Humidity
In the range 5% r.H. to 95% r.H.:
Zero point: No relevant influence
Span: Relative deviation from reading at 50 % r.H.:
< 1 % of measurement value
Response time
t
< 15 seconds
0...20
t
< 33 seconds
0...90
For measurement range:0-5 Vol% O2
t
< 10 seconds
0...20
t
< 26 seconds
0...90
For measurement range:0-25 Vol% O2
In the measurement range 0-5 Vol% the t
(15 seconds) is higher than the permissible limit of EN 50104.
Stabilization time
5 x t
NOTICE
i
i
At temperatures below -5 °C, the response time may
increase.
Calibration
Flow rate
0.5 L/min
Zero gas
Nitrogen (99.9 Vol% N
Target gas
Oxygen / Nitrogen gas mixture
Recommended
6 months
calibration interval
Selectable range
1 day to 12 months
Warm-up time
Operation
< 20 minutes
Calibration
< 2 hours
Measurement range
0-5 Vol% O2 to 0-100 Vol% O2, default 25 Vol% O2
Minimum reading -1.25 Vol%
Dräger Polytron 8100
response time
0...20
0...90
)
2
Technical data
39