PST offers a range of hydrocarbon infrared sensors that measure methane gas over a range from 0-100% and propane gas over a range of 0-2%. The sensors are designed with non-dispersive infrared technology and respond to hydrocarbon gases, including methane and propane. The Platinum series sensors contain all the necessary optics, electronics and firmware to provide a linearized, temperature-compensated output. Within the Platinum series are low-power options and dual-gas, high resolution methane / carbon dioxide sensor that provides the capability to simultaneously monitor methane and carbon dioxide in a single sensor package, consuming the power of a single infrared sensor. Sensor ranges: Low-range CH40-5% volume High-range CH40-100% volume Low-range C3H8 0-2% volume The sensors are available in Industrial Ex d IIC Certified, Mining M1 Certified, UL Approved, and Non-Certified versions. Low power and EN50271 / SIL1 certified software versions are also available in most combinations.