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H2S-B1 HyH2S-B1 HyH2S-B1 HyH2S-B1 HyH2S-B1 Hydrdrdrdrdrogog
ogogogen Sulfen Sulf
en Sulfen Sulfen Sulfide Sensoride Sensoride Sensoride Sensoride Sensor
Figure 1 H2S-B1 Schematic Diagram
PATENTED 16.6 All dimensions in millimetres (± 0.1mm) Top ViewBottom ViewSide View PERFORMANCE SensitivitynA/ppm in 20ppm H
2 S300 to 440Response timet
90 (s) from zero to 20ppm H
2 S< 35Zero currentppm equivalent in zero air< ± 0.2ResolutionRMS noise (ppm equivalent)< 0.1Rangeppm H
2 S limit of performance warranty200Linearityppm error at full scale, linear at zero and 20ppm H
2 S1 to -8Overgas rangemaximum ppm for stable response to gas pulse500 LIFETIME Zero driftppm equivalent change/year in lab air< 0.05Sensitivity drift% change/year in lab air, monthly test< 2Operating lifemonths until 80% original signal
(24 month warranted) > 24 ENVIRONMENTAL Sensitivity @ -20°C% (output @ -20°C/output @ 20°C) @ 20ppm83 to 93Sensitivity @ 50°C% (output @ 50°C/output @ 20°C) @ 20ppm102 to 110
Zero @ -20°Cppm equivalent change from 20°C< ± 1Zero @ 50°Cppm equivalent change from 20°C< ± 1 CROSS SO
2 sensitivity% measured gas @ 20ppmSO
2 < 18 SENSITIVITY NOsensitivity% measured gas @ 50ppmNO< 6NO
2 sensitivity% measured gas @ 10ppmNO
2 < -30Cl
2 sensitivity% measured gas @ 10ppmCl
2 < -25H
2 sensitivity% measured gas @ 400ppmH
2 < 1C
2 H
4 sensitivity% measured gas @ 400ppmC
2 H
4 < 0.8COsensitivity% measured gas @ 400ppmCO< 4NH
3 sensitivity% measured gas @ 400ppmNH
3 < 0.1 KEY Temperature range°C-30 to 50 SPECIFICATIONS Pressure rangekPa80 to 120Humidity range% rh15 to 90Storage periodmonths @ 3 to 20°C (stored in sealed pot)6
Weightg< 13
NOTE: all sensors are tested at ambient environmental conditions, with 10 ohm load resistor, unless otherwise stated. As applications of use are outside our control,the information provided is given without legal responsibility. Customers should test under their own conditions, to ensure that the sensors are suitable for their ownrequirements. Alphasense Ltd, Sensor Technology House, 300 Avenue West, Skyline 120, Great Notley. CM77 7AA. UKTelephone: +44 (0) 1376 556 700 Fax: +44 (0) 137 6 335 899 E-mail: sensors@alphasense.com Website: www.alphasense.com