Ridgid 36163 Combustible Gas Detector The RIDGID Micro CD-100 Combustible Gas Detector provides simple and quick readings to identify the presence of combustible gases. The micro CD-100 is designed to detect Methane, Propane, Butane, Ethanol, Ammonia, Hydrogen and many other combustible gases. (See Chart on the back for a complete list.) With adjustable sensitivity, even low levels of gases can be detected in seconds. It is the ideal tool for ensuring proper gas line installations, checking for maintenance and repair needs or quickly pinpointing combustible gas leaks Features: Rugged Ergonomic Design makes it capable of withstanding job site rigour Tri-Mode Detection gives the operator the flexibility to be alerted with a visual, audible or vibration alert which can be adjusted for your environment Adjustable Sensitivity Settings provides precise leak locating with the touch of a button 16\" Flexible Probe allows location and detection of leak in hard-to-reach and confined spaces Field Replaceable Sensor means more up-time and less time waiting for repairs Comes with: Soft carrying case Operators manual 4 x AA batteries Specification: Model: Micro CD-100 Catalogue Number: 36163 Detection Range: 0 to 6400 ppm (Methane) Alarm Sensitivity: 40 ppm (Methane) Calibration: Automatic Alarms: Visual, Audible, Vibration Power Source: 4 x \"AA\" Classifications: Class B, Division 1