Carbon Monoxide Co - sewerin EX-Tec HS 680 Operating Instructions Manual

7 Appendix

7.5.2.2 Carbon monoxide CO

Type:
Measuring range:
– Lower limit
Resolution:
Measuring error:
Zero point deviation:
Response time:
Decay time:
Drift:
Temperature range:
Interference at 20 ºC.
– 3000 ppm H
– 100 ppm NO
Lifetime:
– Warranted
– Expected
Test gases:
– Zero point
– Sensitivity
82
Electrochemical sensor
0 – 500 ppm
4 ppm
1 ppm
±3 % / ±3 ppm (±3 digits)
±5 ppm (long-term stability) as per /4/
7 ppm
t
90
t
10
< 10 % within 6 months
-20 ºC – +40 ºC
Approx. 1000 ppm CO
2
Approx. 25 ppm CO
24 months
36 months
Fresh air
40 ppm CO
< 30 s
< 24 s