Quickly locate leaks of combustible gases with the Model CLD20 Combustible Leak Detector. Unit provides accurate detection of Methane, Butane, Ammonia, Ethylene Oxide, Alcohols, Industrial Solvents and other combustible or toxic gases. Adjustable tick rate accelerates as the sensor tip approaches a leak and can be re-zeroed to pinpoint the exact location of the leak. The Model CLD20 offers visual LED indication of leak level and automatically recalibrates when turned off and on. Flexible gooseneck and small sensor head allows use in tight, difficult to reach areas.