Profile: Alphasense Ltd. is a supplier of high quality oxygen, toxic, and flammable gas sensors. We are an ISO 9001:2008 certified company. Our sensors include carbon dioxide sensors, carbon monoxide sensors, chlorine sensors, exotic sensors, flammable gas sensors, hydrogen sulfide sensors, D miniature sensors, nitrogen dioxide sensors, nitric oxide sensors, oxygen sensors, and PID sensors. Our NO2 range provides OEMs with reliable sensors for use in a number of high volume applications. Strong signal levels combined with low zero current allows resolution to 50 parts per billion (ppb), and an operating range to 20ppm. Our sensors are suitable for use in fixed installation sensing heads, portable safety instruments, urban air monitoring, and stack gas analyzers.