Quick Details

• Place of Origin:

  United Kingdom

• Delivery Time:

  5~7 Work Days

• Max. Production Capacity:

  3000 Pcs/Month

• OE Experience:

  No

Product Name:H2S-B4 Hydrogen Sulfide Sensor H2S Sensor 4-Electrode

H2S-B4 Hydrogen Sulfide Sensor H2S Sensor 4-Electrode

Application

Air quality monitoring

Product Description:

H2S-B4 Hydrogen Sulfide Sensor 4-Electrode

PERFORMANCE 
Sensitivity          nA/ppm at 2ppm H2S                                     1450 to 2050
Response time   t90 (s) from zero to 2ppm H2S                                    < 45
Zero current       nA in zero air at 20'C                                          -250 to 0
Noise*                ±2 standard deviations (ppb equivalent)                         1
Range               ppm H2S limit of performance warranty                        100
Linearity            ppb error at full scale, linear at zero and 40ppm H2S  < ±4
Overgas limit     maximum ppm for stable response to gas pulse           200
* Tested with Alphasense ISB low noise circuit

LIFETIME 
Zero drift            ppb equivalent change/year in lab air                  < ±100
Sensitivity           drift % change/year in lab air, monthly test              < 20
Operating life     months until 50% original signal (24 month warranted)  > 24

ENVIRONMENTAL 
Sensitivity @ -20'C (% output @ -20°C/output @ 20'C) @ 2ppm H2S 77 to 90
Sensitivity @ 50'C  (% output @ 50°C/output @ 20'C) @ 2ppm H2S 100 to 110
Zero @ -20'C         nA change from 20'C                                   50 to 60
Zero @ 50'C          nA change from 20'C                             -120 to -160

CROSS SENSITIVITY
NO2               sensitivity % measured gas @ 5ppm NO2                < -10
Cl2                 sensitivity % measured gas @ 5ppm Cl2                 < -12
NO                 sensitivity % measured gas @ 5ppm NO                   < 12
SO2               sensitivity % measured gas @ 5ppm SO2                 < 20
CO                 sensitivity % measured gas @ 5ppm CO                    < 3
H2                  sensitivity % measured gas @ 100ppm H2              < 0.5
C2H4              sensitivity % measured gas @ 100ppm C2H4          < 0.1
NH3                sensitivity % measured gas @ 20ppm NH3              < 0.1
CO2               sensitivity % measured gas @ 5% CO2                    < 0.1

KEY SPECIFICATIONS
Temperature range  'C                                                             -30 to 50
Pressure range        kPa                                                          80 to 120
Humidity range         % rh                                                           15 to 90
Storage period         months @ 3 to 20'C (stored in sealed pot)           6
Load resistor           (ISB circuit is recommended)                    33 to 100
Weight                     g                                                                       < 13

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Company Profile:

• Main Product:

  Gas Sensor, Pressure Sensor, Humidity Sensor... etc

• Business Type:

  Distributor/Wholesaler

• Current Export Market:

  North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Mid East, Africa, Oceania

Factory Profile:

• Number of Employees:

  51 - 100 People