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11 Technical aspects
THT sensor data
Measurement principle:
electrochemical
Range:
0 – 100 mg/m
3
Response times
(pump instruments):
t
90
< 210 sec
The use of probes increases response times!
Warm-up period:
about 1 minute
Lifetime
(depending on the ambient temperature):
-expected
18 months
Cross-sensitivity at 20 °C:
Gas
Concentration
Display
Carbon Dioxide CO2
5,000 ppm
0 mg/m3
Carbon Monoxide CO
100 ppm
2 mg/m3
Carbon Oxide Sulfide
(COS)
1 % vol.
10 mg/m3
Ethylene C2H4
1 % vol.
yes, not defined
Hydrocarbons
100 % vol.
0 mg/m3
Hydrogen H2
1 % vol.
> 200 mg/m3
Hydrogen Sulfide H2S
20 ppm
0 mg/3
Isopropanol C3H8O
200 ppm
400 mg/m3
Methane CH4
100 % vol.
0 mg/m3
Nitrogen N2
100 % vol.
0 mg/m3
Tert.-Butylmercaptane
10 mg/m3
10 mg/m3
Triethyleneglycol
C6H14O4
ppm scale
yes, not defined
Operating temperature:
-10 °C – +40 °C
Humidity:
10 – 95 % r.h., non-condensing
