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SEC-Sensor for gas Hydrogen H2,20.000 ppm (2% vol.)

SEC-Sensor for gas Hydrogen H2,20.000 ppm (2% vol.)

Specification Sheet Hydrogen

Sensor Type H2 Hydrogen
Part umber SECS H2 20000
Detectable Gases H2
Measuring Principle Amperometric 3-electrode sensor
Color of Sensor Cap White
Specific Sensor Data No
Connector 3pin
Standard Range 0 - 20000ppm
Lower Detectable Limit (LDL) 100ppm
Maximum Range 40000.0ppm
MAK/TLV
LEL 40000ppm
Sensor Decay < 5%/month
Deviation from Linearity at standard Range < 20%FS
Zero Current at normal conditions +- 100nA
 
Sensitivity 1 to 10nA/ppm
 
Response Time at target Level
t50 < 20s
t90 < 60s
 
Sensor warm up time typically 20s
Operating conditions -20-+80C; 5-90%r.h. n-c
Temperature dependence <0.5%/C
Sensor life 5years expected
 
Sensor dimension (L x W x H) 10mm x 8mm x 1mm
 

 

Specification SheetHydrogen

Cross Sensitivity

Gas
TestGas Gas
Concentration
Readinginppm
Ammonia
NH3
25ppm
0.0
Carbon Dioxide
CO2
5000ppm
0.0
Carbon Monoxide
CO
60ppm
10 (1)
Chlorine
Cl2
1.0ppm
0.0
Hydrocarbons
unsaturated
1%
0.0
Hydrogen
H2
1000ppm
1000
Hydrogen Sulphide
H2S
10ppm
10 (1)
Isopropanol
C3H7OH
1000ppm
0.0
Nitric Oxide
NO
20ppm
0.0
Nitrogen Dioxide
NO2
10ppm
0.0
Ozone
O3
0.5ppm
0.0
Sulphur Dioxide
SO2
20ppm
0.0
 

 

PLEASE NOTE

Test Conditions at 20C, P at 1013hPa, Flow Rate > 500qcm/min Cross sensitivity gases are not target gases. Relation can change with aging.

(1) Value is below the recommended Lower Detectable Limit

Download Pricelist 2009.pdf

 

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