Arctic Hayes Combustible Gas Leak Detector (A998721) The Arctic Hayes Combustible Gas Leak Detector is a professional tool for detecting combustible gases, including methane and other hydrocarbons. A heated semiconductor gas sensor with microprocessor control gives precise, consistent readings. A 15.5 stainless steel flexible probe makes it easy to reach into hard-to-access areas, while a tri-colour LED visual leak indicator and variable intensity audible alarm give instant feedback. It's supplied in a protective carry case with batteries, a connection hose and full instructions, making it a complete portable kit for engineers, safety inspectors and HVAC professionals Key Features & Benefits Advanced Gas Sensor: Heated semiconductor sensor with microprocessor control for