Inim INE700C-2-RL methane detector (catalytic sensor) EX housing with integrated relay interface with 3 potential-free outputs (alarm, pre-alarm, and fault) for connection to a fire alarm control panel or alarm panel. Pre-alarm at 15% LEL and alarm at 30% LEL. The sensor is located at the bottom of the detector. This allows for easy replacement of the sensor at the end of its functional life. The detector can be maintained/adjusted using the programmer (handheld or PC). The gas detector is equipped with a cable gland connection. A cable gland with specifications NPT 1 inch can be screwed onto this (cable gland is not included with the product). Inim INA55-109 stainless steel mounting bracket available as an option.