CO-AF Carbon MonoCO-AF Carbon MonoCO-AF Carbon MonoCO-AF Carbon MonoCO-AF Carbon Monoxide Sensorxide Sensorxide Sensorxide Sensorxide Sensor

Figure 1 CO-AF Schematic Diagram PATENTED
All dimensions in millimetres (± 0.1mm) Top ViewBottom ViewSide View PERFORMANCE SensitivitynA/ppm in 400ppm CO55 to 85Response timet
90 (s) from zero to 400ppm CO< 25Zero currentppm equivalent in zero air< ± 2ResolutionRMS noise (ppm equivalent)< 0.5Rangeppm CO limit of performance warranty1,000Linearityppm error at full scale, linear at zero, 400ppm CO+15 to +25Overgas rangemaximum ppm for stable response to gas pulse10,000 LIFETIME Zero driftppm equivalent change/year in lab air< 0.2Sensitivity drift% change/year in lab air, twice monthly test< 3Operating lifemonths until 80% original signal (24 month warranted)> 24 ENVIRONMENTAL Sensitivity @ -20°C% (output @ -20°C/output @ 20°C) @400ppm CO70 to 90Sensitivity @ 50°C% (output @ 50°C/output @ 20°C) @ 400ppm CO104 to 112 Zero @ -20°Cppm equivalent change from 20°C< ± 3 Zero @ 50°Cppm equivalent change from 20°C< ± 2 CROSS Filter capacityppm·hoursH
2 S250,000 SENSITIVITY Filter capacityppm-hoursNO
2 600,000Filter capacityppm-hoursNO200,000Filter capacityppm-hoursSO
2 300,000SO
2 sensitivity% measured gas @ 20ppmSO
2 < 0.1NOsensitivity% measured gas @ 50ppmNO< 5NO
2 sensitivity% measured gas @ 10ppmNO
2 < 0.1Cl
2 sensitivity% measured gas @ 10ppmCl
2 < 0.1H
o 2 sensitivity% measured gas @ 400ppmH
2 at 20 C< 60C
2 H
4 sensitivity% measured gas @ 400ppmC
2 H
4 < 25H
2 Ssensitivity% measured gas @ 20ppmH
2 S< 0.1NH
3 sensitivity% measured gas @ 20ppmNH
3 < 0.1 KEY Temperature range°C-30 to 50 W (recommended)10 to 100Weightg< 6 SPECIFICATIONS Pressure rangekPa80 to 120Humidity range% rh continuous15 to 90 Storage periodmonths @ 3 to 20°C (stored in sealed pot)6 Load resistor
NOTE: all sensors are tested at ambient environmental conditions, with 10 ohm load resistor, unless otherwise stated. As applications of use are outside our control,the information provided is given without legal responsibility. Customers should test under their own conditions, to ensure that the sensors are suitable for their ownrequirements. TTTTTececececechnical Specifhnical Specifhnical Specifhnical Specifhnical Specificaicaicaicaicationtiontiontiontion Alphasense Ltd, Sensor Technology House, 300 Avenue West, Skyline 120, Great Notley. CM77 7AA. UKTelephone: +44 (0) 1376 556 700 Fax: +44 (0) 1376 335 899 E-mail: sensors@alphasense.com Website: www.alphasense.com