This is a heavy-duty, explosion-proof, fixed gas detector designed to be used in extremely harsh and hazardous environments. Installing such a heavy unit (up to 4kg), often in high locations, was a key design consideration when developing the product. It allows easy installation and maintenance through a rotary locating and locking feature. Additionally, the versatile mounting plate ensures the product can be attached to a wide range of pipes, fixtures, fittings and walls. The product provides maximum flexibility with sensor options suit different applications without limitation.