Detection instruments [india] pvt. Ltd offers remote detectors for flammable gas, flamgard. This is available in various versions including flamgard - exe&d, Flamgard - ht, flamgard - 4/20 and flamgard - plus. They incorporate poison-resistant pellistor to provide superior performance. Flamgard provides pellistors resistant to halogens, silicon and lead. Flamgard-ht is recommended for very high temperature applications. Flamgard-exe is specially designed to provide low cost solution. Flamgard-4/20 is provided with industry standard 4-20 ma output to suit a wide range of applications.