12.4 Sensor Specifications and Instrument Settings for other Gases
Measuring Range
0 ... 300 ppm 0 ... 100 ppm
Calibration concentration
50 ppm in N
Temperature range, operation
–30 ... 50
–22 ... 122
2)
Alarm Threshold A1
50 ppm
acknowledgeable
latching
2)
Alarm Threshold A2
100 ppm
acknowledgeable
latching
2)
TWA Threshold A1
50 ppm
2)
STEL Threshold A2
50 ppm
No. of STEL periods
Average STEL duration
15 minutes
Warm up time
2.5 hours
Reproducibility
d ± 3 ppm
Zero point:
Sensitivity: [% of measured value]
o
Drift (20
C)
d ± 5 ppm/a
Zero point:
Sensitivity: [% of meas. value/month]
1)
Sensor Order Number
68 10 888
Sensor Data Sheet Order Number
90 23 922
Please be aware of possible sensor cross sensitivities (see Sensor Data Sheet).
1) Please be aware of limited lifetime of sensors. Excessive storage reduces operating time of sensors.
o
Temperature range of storage is 0 to 35
C (32 to 95
2) Please be aware of special settings by customer requirements.
3) For ethylene oxide only.
NH
SO
PH
3
2
3
0 ... 20 ppm
10 ppm in N
0.5 ppm in N
2
2
2
o
o
o
C
–30 ... 50
C
–20 ... 50
C
o
o
o
F
–22 ... 122
F
–4 ... 122
F
1 ppm
0.1 ppm
Yes
Yes
Yes
No
No
No
2 ppm
0.2 ppm
No
No
No
Yes
Yes
Yes
1 ppm
0.1 ppm
1 ppm
0.1 ppm
4
4
4
15 minutes
15 minutes
15 minutes
15 minutes
d ± 0.2 ppm
d ± 0.02 ppm
d ± 3
d ± 2
d ± 2
d ± 1 ppm/a
d ± 0.05 ppm/a
d ± 2
d ± 2
d ± 2
68 10 885
68 10 886
90 23 919
90 23 920
o
F)
HCN
NO
NO
2
0 ... 50 ppm
0 ... 200 ppm
0 ... 50 ppm
10 ppm in N
50 ppm in N
10 ppm in N
2
2
o
o
–20 ... 50
C
–40 ... 50
C
–30 ... 50
o
o
–4 ... 122
F
–40 ... 122
F
–22 ... 122
10 ppm
25 ppm
5 ppm
Yes
Yes
Yes
No
No
No
20 ppm
50 ppm
10 ppm
No
No
No
Yes
Yes
Yes
10 ppm
25 ppm
5 ppm
40 ppm
50 ppm
5 ppm
4
4
4
15 minutes
60
minutes
15 minutes
35 minutes
12 hours
15 minutes
d ± 0.5 ppm
d ±0,2 ppm
d ± 0.5 ppm
d ± 5
d ±3
d ± 2
d ± 2 ppm/a
d ±0,2 ppm/a
d ± 1 ppm/a
d ± 5
d ±2
d ± 2
68 10 887
68 11 545
68 10 884
90 23 921
90 33 091
90 23 918
2
o
C
o
F
7