9 Appendix
│
89
9.2.4
Electrochemical sensors
Oxygen O
2
Type
electrochemical sensor (EC)
Use
PM 580/550/500/400
Measuring range
0 – 25.0 % vol.
Resolution
0.1 % vol.
Response times
t
20
< 10 s
t
90
< 32 s
Warm-up time
< 2 min
Stabilisation time
< 90 s
Temperature range
-20 – 40 ºC
Drift
≤ 3 % within 3 months
Interference
none
Humidity
5 – 95 % r.h., non-condensing
short term:
0 % r.h.
Lifetime
24 months (60 months expected)
Test gases
– Zero point: clean air
– O
2
:
0.0 % vol.
setting ranges:
– O
2
:
0.0 – 1.0 % vol.
Humidity gas/test gas 5 – 95 % r.h., non-condensing
short term:
0 % r.h.
error:
±3 % of the EMR
Pressure
700 – 1200 hPa
error:
±3 % of the EMR
