Catalogs >
Alphasense >
H2S-D4

H2S-D4
2Pages

Catalog excerpts

echnical Specification echnical Specification H2S-D4 Hydrogen Sulfide Sensor Technical specifications Version 1.0 Miniature Size H2S-D4 Hydrogen Sulfide Sensor – Miniature Size Figure 1 H2S-D4 Schematic Diagram Bottom Side View Bottom View View Side View A three pin on request, is available on request, coded H2S-D1 version coded H2S-D1. Dimensions are in millimetres (± 0.1 mm). A three pin version is available PERFORMANCE Sensitivity Sensitivity Performance Response time Response time ZeroZero current current Resolution Resolution Range Range Linearity Linearity Overgas limit Overgas limit nA/ppm 20ppm H2S 110 to 170 nA/ppm 20ppm H S 110 to 170 < 25 t90 (s) from zero to 20ppm H2S t90 (s) from zero to 20ppm H S < 25 ppm equivalent in air air zero < ±1 ppm equivalent in zero <±1 RMS noise (ppm equivalent) < 0.2 RMS noise (ppm equivalent) < 0.2 ppm H2S limit of performance warranty 100 100 ppm H S limit of performance warranty ppm error full scale, linear linear at zero S <±6 < ±6 ppm erroratat full scale,at zero and 20ppm Hand 20ppm H2S maximum ppm for for stable response maximum ppm stable response to gas pulse to gas 200 pulse 200 2 Lifetime LIFETIME ZeroZero drift drift Sensitivity drift Sensitivity drift Operating life Operating life ppm equivalent change/year in lab air < 0.2 ppm equivalent change/year in lab air % change/year in lab air, monthly test <3 % change/year in lab air, monthly test months until 80% original signal (24-month warranted) > 18 months until 80% original signal (24 month warranted) Environmental ENVIRONMENTAL Sensitivity @ -20°C Sensitivity @ 50°C Sensitivity @ -20°C Zero @ -20°C Sensitivity @ 50°C Zero @ 50°C Cross Sensitivity CROSS SENSITIVITY Zero @ -20°C ZeroNO sensitivity @ 50°C 2 Cl2 sensitivity sensitivity NO2NO sensitivity SO2 sensitivity Cl2 sensitivity CO sensitivity NO H sensitivity sensitivity 2 SO2C2Hsensitivity sensitivity 4 sensitivity CO NH3sensitivity ppm equivalent change from20°C ppm equivalent 10ppm from 20°C % measured gas @ change NO 2 % measured gas @ 10ppm Cl2 % measured gas @ 50ppm NO measured gas @ 10ppm NO2 % measured gas @ 20ppm SO measured gas @ 10ppm Cl22 % measured gas @ 400ppm CO measured gas @ 400ppm H % measured gas @ 50ppm NO 2 measured gas @ 400ppm % measured gas @ 20ppm SO2 C2H4 % measured gas @ 400ppm CO NH3 measured gas @ 20ppm % % % % % H2 sensitivity % measured gas @ 400ppm H2 °C C2HTemperature range% measured gas @ 400ppm C2H4 4 sensitivity Pressure range kPa NH3 sensitivity % measured gas @ 20ppm NH3 Humidity range Storage period SPECIFICATIONSLoad resistor Temperature range Weight Pressure range Humidity range Storage period Load resistor Weight % rh (see note below) months @ 3 to 20°C (stored in sealed pot) � (recommended) °C g kPa %rh (see note below) months @ 3 to 20°C (stored in sealed pot) Ω (recommended) g o Note: Above 85% sensors@alphasense.com W: www.alphasense.com For further information warranted. Where such exposure occurs the any other T: +44 (0)1376 556700 E: rh and 40 C a maximum continuous exposure period of 10 days ison the performance of this sensor, on other sensors in the range orsensor will subject, please contact Alphasense Ltd. or several days. recover normal electrolyte volumes when allowed to rest at lower %rh and temperature levels forvisit ou

Open the catalog to page 1

Technical specifications Version 1.0 Perf erformance Data H2S-D4 Performance Data Figure 1 Sensitivity Temperature Dependence Figure 2 Sensitivity Temperature Dependence Perf erformance Data H2S-D4 Performance Data % ppm) % Output (referenced to (referenced to 20oC) % Zero output, Zero output, referenced to 20oCppm) to 20ppm) referenced to 20oC (equivalent (equivalent oC (equivalent Output (referenced to 20oC)Output 20oC) Zero output, referenced Output (nA/ppm) (nA/ppm) Output Output (nA/ppm) Technical Specification tion Tecechnical Specifica T hnical Specification Figure 2 Sensitivity...

Open the catalog to page 2