Located in United States, GasDog Toxic Gas Detectors have manufactured Gas Detectors and Critical Alarm controllers since 2009. We understand industry regulations and guidelines and have experience creating wireless gas monitors for a variety of gases. We are also committed to achieving the highest level of satisfaction and are continually working to improve and perfect our processes and products.You can find our products in many different application areas. If you need to monitor ammonia gas concentration in an industrial setting, then a fixed NH3 gas detector is the ideal choice. If you are concerned about carbon monoxide safety in places like underground parking lots, gas stations, and boiler rooms, then a fixed CO detector is indispensable. And if you require highly sensitive hydrogen chloride gas detection in chemical plants, laboratories, or semiconductor manufacturing, then the GasDog HCl gas detector is the best option to ensure timely actions are taken to protect personnel and environmental safety.