Hydrogen Sulfide Sensor - Siemens ULTRAMAT 23 Manual

Description
3.4 Technical specifications
3.4.6

Hydrogen sulfide sensor

H S sensor for measuring range from 5 to 50 vpm H
2
General information
Measuring ranges
Smallest measuring range
•
Largest measuring range
•
Service life of the sensor
Operation mode
AUTOCAL
Climatic conditions
Permissible ambient temperature
During operation
•
During transportation and storage
•
Permissible ambient pressure
Maximum operating altitude
Influencing variables
Associated gases
Cross-inference (interfering gases)
Drift
Temperature
Air pressure
Note
Measuring ranges
The exact specification of the largest and smallest H
42
S
2
0 ... 5 vpm
0 ... 50 vpm
Approx. 12 months
Continuous measurement between 0 and 12.5 vpm
Discontinuous measurement between 12.5 and 50 vpm
Cyclic adjustment (see H2S sensor with 'small' measuring range
(Page 161))
+5 ... +40 °C (41 ... 104 °F)
-10 ... +55 °C (14 ... 131 °F)
750 ... 1200 hPa absolute
2000 m above sea level
The hydrogen sulfide sensor cannot be used if the associated gas con-
tains the following components:
Compounds containing chlorine
•
Compounds containing fluorine
•
Heavy metals
•
Aerosols
•
Alkaline components (e.g. NH
•
1360 vpm SO result in a cross-interference of <20 vpm H
2
180 vpm NO result in a cross-interference of <150 vpm H
no cross-interference of CH
< 1% per month
< 3%/10 K referred to full-scale value
< 0.2 % of measured value per 1% pressure change
>5 mg/m )
3
3
, CO and H (1000 vpm)
4 2 2
S ranges can be found on the label!
2
Manual, 3/2016, A5E37100388-003
S,
2
S,
2
ULTRAMAT 23