High Concentration Hydrogen Sulfide Sensor (H2S Sensor) - H2S-AE

  • High Concentration Hydrogen Sulfide Sensor (H2S Sensor)
  • High Concentration Hydrogen Sulfide Sensor (H2S Sensor)
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• Range: 2,000 ppm H2S limit of performance warranty
• Sensitivity: 65 to 110 nA/ppm in 400ppm H2S
• Response time t90: < 25 (s) from zero to 400ppm H2S
• Resolution: < 0.5 RMS noise (ppm equivalent)
• Temperature range: -30 to 50 ℃
• Pressure range: 80 to 120 kPa
• Humidity range: 15 to 90 % rh continuous
• Weight: < 6g

  • Model Number: H2S-AE
  • Data Sheet: Date Sheet File
Quantity:
- +

Product Specification

H2S-AE Hydrogen Sulfide Sensor (H2S Sensor) Description
Alphasense Hydrogen Sulfide gas sensors operate using well-known fuel cell technology.

H2S-AE Hydrogen Sulfide Sensor size:
20mm diameter, the industry standard size for portable gas detectors

With very high sensitivity and low zero, accurate and stable readings are possible when measuring current concentration ranges from ppb to 1% H2S.

H2S-AE Hydrogen Sulfide Sensor (H2S Sensor) PERFORMANCE
Sensitivity
nA/ppm in 400ppm H2S
65 to 110
Response time
t90 (s) from zero to 400ppm H2S
< 25
Zero current
ppm equivalent in zero air
< ±3
Resolution
RMS noise (ppm equivalent)
< 0.5
Range
ppm H2S limit of performance warranty
2,000
Linearity
ppm error at full scale, linear at zero and 400ppm H2S
0 to -40
Overgas limit
maximum ppm for stable response to gas pulse
10,000



H2S-AE Hydrogen Sulfide Sensor (H2S Sensor) LIFETIME
Zero drift
ppm equivalent change/year in lab air
nd
Sensitivity drift
% change/year in lab air, monthly test
nd
Operating life
months until 80% original signal  (24 month warranted)
> 24



H2S-AE Hydrogen Sulfide Sensor (H2S Sensor) ENVIRONMENTAL
Sensitivity @ -20°C
% (output @ -20°C/output @ 20°C) @ 20ppm
80 to 92
Sensitivity @ 50°C
% (output @ 50°C/output @ 20°C) @ 20ppm
100 to 110
Zero @ -20°C
ppm equivalent change from 20°C
< ±1
Zero @ 50°C
ppm equivalent change from 20°C
< ±1



H2S-AE Hydrogen Sulfide Sensor (H2S Sensor) CROSS SENSITIVITY
NO2   sensitivity
% measured gas @ 10ppm NO2
< -20
Cl2     sensitivity
% measured gas @ 10ppm Cl2
< -15
NO     sensitivity
% measured gas @ 50ppm NO
< 20
SO2   sensitivity
% measured gas @ 20ppm SO2
< 20
CO     sensitivity
% measured gas @ 400ppm CO
< 4
H2     sensitivity
% measured gas @ 400ppm H2
< 1
C2H4 sensitivity
% measured gas @ 400ppm C2H4
< 0.1
NH3   sensitivity
% measured gas @ 20ppm NH3
< 0.1



H2S-AE Hydrogen Sulfide Sensor (H2S Sensor) KEY SPECIFICATIONS
Temperature range
°C
-30 to 50
Pressure range
kPa  
80 to 120
Humidity range
% rh continuous
15 to 90
Storage period
months @ 3 to 20°C (stored in sealed pot)
6
Load resistor
Ω (recommended)
10 to 47
Weight
g
< 6

Matched Transmitter board for H2S-AE H2S Sensor

4-20mA Digital Transmitter Board
   • Factory calibration, custom-set for immediate use
   • Digital zero, sensitivity and temperature compensation
   • Digital and 4-20mA output
   • Biased or unbiased operation
   • Calibration and range change

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