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H2S-AH Hydrogen Sulfide Sensors

H2S-AH Hydrogen Sulfide Sensors
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Figure 1 H2S-AH Schematic Diagram > All dimensions in millimetres ( 0.1mm) Top ViewBottom ViewSide View PERFORMANCE SensitivitynA/ppm in 20ppm H > 2 S950 to 1400Response timet > 90 (s) from zero to 20ppm H > 2 S< 25Zero currentppm equivalent in zero air< ѱ 0.15ResolutionRMS noise (ppm equivalent)< 0.05Rangeppm H > 2 S limit of performance warranty 50Linearityppm error at full scale, linear at zero and 20ppm H > 2 S0 to -2.5Overgas rangemaximum ppm for stable response to gas pulse 250 LIFETIME Zero driftppm equivalent change/year in lab air< 0.1Sensitivity drift% change/year in lab air, monthly test< 4 Operating lifemonths until 80% original signal > (24 month warranted) > 24 CROSS SO ENVIRONMENTAL Sensitivity @ -20C% (output @ -20аC/output @ 20C) @ 20ppm80 to 90 Sensitivity @ 50аC% (output @ 50C/output @ 20аC) @ 20ppm100 to 111 Zero @ -20Cppm equivalent change from 20аC< 0.3 Zero @ 50ѰCppm equivalent change from 20C< б 0.15 > 2 sensitivity% measured gas @ 20ppmSO > 2 < 10 SENSITIVITY NOsensitivity% measured gas @ 50ppmNO< 2NO > 2 sensitivity% measured gas @ 10ppmNO > 2 < -30Cl > 2 sensitivity% measured gas @ 10ppmCl > 2 < -25H > 2 sensitivity% measured gas @ 400ppmH > 2 < 0.15C > 2 H > 4 sensitivity% measured gas @ 400ppmC > 2 H > 4 < 0.15COsensitivity% measured gas @ 400ppmCO< 1.5NH > 3 sensitivity% measured gas @ 20ppmNH > 3 < 0.1 KEY Temperature rangeC-30 to 50 SPECIFICATIONS Pressure rangekPa80 to 120Humidity range% rh continuous15 to 90Storage periodmonths @ 3 to 20аC (stored in sealed pot)6Weightg< 6 > 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. TT TTTecec ececechnical Specifhnical Specifhnical Specifhnical Specifhnical Specificaica icaicaicationtion tiontiontion 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 size="-3">

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