Fuel Vapor Monitor - M-1

Fuel Vapor Monitor - M-1 This fuel vapor monitor in ideal for boats under 20 feet. Alarm sounds when gasoline fumes build up to 16-20% of the concentration necessary for an explosion. The M-1 will also detect if hydrogen gas, from batteries, and engine exhaust build to dangerous levels. High tech, styling, compact size, and drop in dash mounting make it the perfect choice for the safety conscious recreational boater. The head unit fits in a 2' hole. Place sensor where fuel vapors may build up and then connect it to the back of dash unit. A warning alarm sounds whenever gas fumes build to an unsafe level. Includes sensor and cable.