Profile: Mine Safety Appliances develops, manufactures and markets a wide selection of protective equipment. We deal in calibration kits that offer a quick, convenient and economical method of checking the response of our gas sensors & gas detection instrumentation. Our suprema control system for fire and gas detection has a modular redundancy design that provides adapted flexibility to any monitoring system or safety requirement. It is designed to meet a wide range of monitoring needs and also provides signal processing for up to 256 inputs & 512 relay & analog outputs.