CO-AM Carbon Monoxide Sensor (CO Sensor) Description Alphasense Carbon Monoxide gas sensors operate using proven fuel cell technology. CO-AM Carbon Monoxide Sensor sizes: 20mm diameter, the industry standard size for portable gas detectors The Alphasense family of CO sensors have proven themselves in the field with long term stability and reliable operation, well beyond the two-year warranty, using our patented electrode technology. CO-AM Carbon Monoxide Sensor (CO Sensor) Specifications * Range: 5,000 ppm CO limit of performance warranty * Sensitivity: 55 to 90 nA/ppm in 400ppm CO * Response time t90: < 25 (s) from zero to 400ppm CO * Resolution: < 0.5 RMS noise (ppm equivalent) * Temperature range: -30 to 50'C * Pressure range: 80 to 120kPa * Humidity range: 15 to 90% rh continuous * Weight: < 6 g