EC4-1000-H2 Amphenol

EC4-1000-H2 Hydrogen Electrochemical Sensor PERFORMANCE OUTLINE Range ...............................................................0 - 1000 ppm Maximum overload................................................. 2000 ppm Sensitivity................................................. 10 - 30 nA/ppm H2 Zero in air at 20 C........................................... <20 ppm H2 Resolution.............................................................10 ppm H2 Linearity ...................................................linear across range Response time, t90....................................................... <70 s Long-term output drift.................................<2% signal/month Warranty .................................................................... 2 years OPERATING CONDITIONS Temperature range ...........................................-20 to +50 C Operating humidity................15 - 90% RH (non-condensing) Pressure range ..................................90 - 110 kPa (nominal) Operating circuit............... see Electrochemical Toxic Sensor Application Note Applied potential ..............................................................0 V Storage life........... 6 months in original packaging (0 - 25 C) PHYSICAL CHARACTERISTICS Label colour ...................................................................silver Weight.................................................................. 5 g approx. Dimensions ...........................................................see outline This device is designed to be RoHS compliant. CROSS-SENSITIVITY DATA GAS Concentration Sensor (ppm) Response (As ppm H2) Carbon Monoxide 50 200 Hydrogen Sulfide 24 0 Sulfur Dioxide 5 0 Nitric Oxide 35 <10 Nitrogen Dioxide 5 0 Ethene 100 80 Chlorine 10 0 Important Note Do not solder to the connector pins as this may damage the sensor and thereby invalidate the warranty. Details on recommended connector pins can be found in the Frequently Asked Questions within the Gas Sensor section of the SGX website. SGX Sensortech(IS) Ltd Registered in England No.08067077 A1A-764716 Version 2, October 2009 TEMPERATURE DEPENDENCE EC4-1000-H2 Graph of Zero vs Temperature 25 20 15 10 5 Average +95% conf 0 -95% conf. -30 -20 -10 0 10 20 30 40 50 60 -5 -10 -15 -20 -25 Temperature / Degrees Celsius EC4-1000-H2 Graph of Sensitivity vs Temperature 350 300 250 200 Average +95% conf -95% conf. 150 100 50 0 -30 -20 -10 0 10 20 30 40 50 60 Temperature / Degrees Celsius SGX Sensortech(IS) Ltd Registered in England No.08067077 A1A-764716 Version 2, October 2009 Zero / ppm H2 % of Sensitivity at 20 Deg. C