EC4-500-CO Amphenol

EC4-500-CO Carbon Monoxide Electrochemical Sensor PERFORMANCE OUTLINE Range .................................................................0 - 500 ppm Maximum overload...........................................1500 ppm CO Sensitivity................................................ 55 - 85 nA/ppm CO Zero in air at 20 C..........................................<3.1 ppm CO Resolution..............................................................1 ppm CO Linearity ...................................................linear across range Response time, t90....................................................... <30 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 CO) Hydrogen Sulfide 24 0 Sulfur Dioxide 5 0 Chlorine 10 0 to 1 Nitric Oxide 25 0 Nitrogen Dioxide 5 0 Hydrogen 100 <40 Ethene 100 <16 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-764714 Version 2, October 2009 TEMPERATURE DEPENDENCE EC-4-500-CO Graph of Zero vs Temperature 8 6 4 2 Average 0 +95% conf -95% conf. -2 -4 -6 -8 -30 -20 -10 0 10 20 30 40 50 60 Temp / Deg Celsius EC-4-500-CO Graph of Net Sensitivity vs Temperature 140 120 100 80 Average +95% conf -95% conf. 60 40 20 0 -30 -20 -10 0 10 20 30 40 50 60 Temp / Deg Celsius SGX Sensortech(IS) Ltd Registered in England No.08067077 A1A-764714 Version 2, October 2009 Zero / ppm CO % of Net Sensitivity at 20 Degrees C