Anacon Process Control Pvt. Ltd. Manufactures Mining Infrared - MIR Fixed Methane Gas Detector. Anacon Process Control Pvt. Ltd. Supplies toxic and combustible gas monitoring systems. Mining Infrared - MIR Fixed Methane Gas Detector is a point-type IR gas detector which is superior to catalytic sensors for detecting methane gas in underground mines. Mining Infrared - MIR Fixed Methane Gas Detector provides a fast response time, long life, low maintenance requirements, and self-testing operation. In addition, MIR has MSHA approval for use in gassy underground mines.