EC4-250-NO Amphenol

EC4-250-NO Nitric Oxide Electrochemical Sensor PERFORMANCE OUTLINE Range .................................................................0 - 250 ppm Maximum overload................................................. 1000 ppm Sensitivity............................................ 320 - 480 nA/ppm NO Zero in air at 20 C...............................-0.06 to +4.5 ppm NO Resolution...........................................................0.5 ppm NO Linearity ...................................................linear across range Response time, t90....................................................... <35 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 .....................................................+300 mV 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 NO) Sulfur Dioxide 5 0 Nitrogen Dioxide 5 1.5 Carbon Monoxide 300 0 Hydrogen 15 -1.5 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-764713 Version 3, October 2009 TEMPERATURE DEPENDENCE EC4-250-NO Graph of Zero vs Temperature 12 10 8 6 Average +95% conf -95% conf. 4 2 0 -30 -20 -10 0 10 20 30 40 50 60 -2 Temperature / Degrees Celsius EC4-250-NO Graph of 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 Temperature / Degrees Celsius SGX Sensortech(IS) Ltd Registered in England No.08067077 A1A-764713 Version 3, October 2009 Zero / ppm NO % of Sensitivty ar 20 Deg C