Monoxide CO-D4X Carbon Monoxide Sensor Technical specifications Version 1.0 Miniature Size CO-D4X Carbon Monoxide Sensor – Miniature Size Figure 1 CO-D4X Schematic Diagram PATENTED and PATENT PENDING Bottom View Side View Bottom View Side View PERFORMANCE Sensitivity Response time Sensitivity Performance Zero current Response Resolution time Zero current RangeResolution Linearity Range Overgas limit Linearity nA/ppm in 400ppm CO 18 to 45 < 25 t90 (s) from zero to 400ppm CO % 22°C 18 to 45 ppm nA/ppm in 400ppm CO air equivalent in zero <±4 < 25 RMSt90 (s) from zero to equivalent) noise (ppm 400ppm CO % 22°C < 1.5 ppm equivalent in zero air <±4 ppm RMS noise (ppm equivalent) warranty limit of performance 1,000 < 1.5 ppm ppm limit of performance warranty CO error at full scale, linear at zero and1,000 400ppm CO ± 40 maximum ppmatfor scale, linear at zero and 400ppm CO ± 40 2,000 ppm CO error full stable response to gas pulse ppm equivalent change/year in lab air % change/year in lab air, monthly test ppm equivalent change/year in lab air < 0.5 months until 80%lab air, monthly test (18 month warranted) % change/year in original signal <6 Overgas limit Zero drift Sensitivitydrift Zero drift Operating life drift Sensitivity Operating life maximum ppm for stable response to gas pulse months until 80% original signal (18-month warranted) ENVIRONMENTAL Sensitivity @ -20°C % (output @ -20°C/output @ 20°C) @ 400ppm CO Environmental CROSS Cross Sensitivity SENSITIVITY Filter capacity Filter capacity H2S H S sensitivity sensitivity NO2 NO sensitivity sensitivity Cl2 Cl sensitivity sensitivity NO sensitivity NO sensitivity SO2 SO sensitivity sensitivity H sensitivity H2 sensitivity C H sensitivity C2H4 NH sensitivity sensitivity NH3 sensitivity 2 Sensitivity @ @ -20°C % (output @ 50°C/output20°C)20°C) @CO 50°C @ @ 400ppm 400ppm CO Sensitivity % (output @ -20°C/output @ N/A Zero @ -20°C@ 50°C ppm % (output @ 50°C/output @ from20°C CO equivalent change 20°C) @ 400ppm Sensitivity N/A Zero @ 50°C ppm ppm equivalent change from 20°C equivalent change from 20°C Zero @ -20°C <±2 ppm equivalent change from 20°C ppm·hrs H S ppm·hrs HS 2 % measured gas @ 20ppm H S 2S H % measured gas @ 20ppm % measured gas @ 10ppm NO 2 NO % measured gas @ 10ppm % measured gas @ 10ppm % measured gas @ 10ppm Cl Cl2 % measured gas @ 50ppm % measured gas @ 50ppm NO NO % measured gas @ 20ppm SO % measured gas @ 20ppm SO2 % measured gas @ 400ppm H % measured gas @ 400ppm C H 2 H % measured gas @ 400ppm % measured gas @ 400ppm NH 2H4 C % measured gas @ 20ppm % measured gas @ 20ppm NH3 2 Temperature range °C Pressure range OC kPa KEY Temperature range Humidity range % rh (see note below) SPECIFICATIONS Pressure range kPa months @ 3 to 20°C (stored in sealed pot) Storage period Humidity range %rh (see note below) Load resistor � (recommended) Weight g Storage period months @ 3 to 20OC (stored in sealed Load resistor Weight Note: Above 85% rh and 40OC a maximum continuous exposure period of 10 days is warranted. Where such exposure occurs the For at lower %rh and temperature sensor, on other sensors in days. T:sensor will [email protected] W: www.alphasense.com to rest further information on the performance of this levels for several the range or any other +44 (0)1376 556700 E: normal electrolyte volumes when allowed subject, please contact Alphasense Ltd. or visit our website at “www.alphasense.com”. At the end of the product’s life, do not dispose of any electronic sensor, component or inst

Technical specifications Version 1.0 Perf erformance Data CO-D4X Performance Data Figure 1 Sensitivity Temperature Dependence Figure 2 Sensitivity Temperature Dependence CO-D4X Performance Data Perf erformance Data o o % Output (referenced to (referenced to 20oC) Zero current Zero current (equivalent ppm, referenced to 20 C) (equivalent ppm, referenced to 20oC) ppm, referenced% Output (referenced to 20oC) Output (nA) Zero current (equivalent to 20oC) % Output 20 C) Figure 2 Sensitivity Temperature Dependence 100 Perf erformance Data CO-D4X Performance Data 140 Mean "+95% conf." "-95% conf." Mean...