The RIDGID® micro CD-100 Combustible Gas Detector provides simple and quick readings to identify the presence of combustible gases. With adjustable sensitivity, even low-levels of gases can be detected in seconds. It ensures proper gas line installations, checks for maintenance and repair needs and quickly pinpoints combustible gas leaks.


  • Rugged ergonomic design makes it comfortable to use, yet tough.
  • Tri-Mode Detection™ for option to be alerted with a visual, audible or vibration alerts which can be adjusted for your environment.
  • Adjustable sensitivity settings provide precise leak locating with the touch of a button.
  • 16" (40 cm) 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.


Detection Range 0 to 6400 ppm (Methane).
Alarm Sensitivity 40 ppm (Methane).
Calibration Automatic.
Alarms Visual, audible and vibration.
Power Source 4 x AA batteries.
Gases Detected* Methane, Hydrogen, Propane, Ethylene, Ethane, Hexane, Iso-Butane, Benzene, Iso-Butane, Ethanol, Acetaldehyde, Toluene, P-Xylene, Ammonia, Hydrogen Sulfide.
*Common mixtures that would include or emit more than one of these gases include natural gas, paint thinners, industrial solvents, dry cleaning fluids, and gasoline

Ordering Information

Catalog Number Model No. Description Weight
lb. kg
36163 micro CD-100  Combustible Gas Detector  1.0  0.45  Buy Now
31948 CD-100 RS  Replacement Sensor  Buy Now
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Rated 5 out of 5 by 4 reviewers.
Rated 5 out of 5 by By far a great leak detection system I have used portable hand held systems in the past from other manufacturers, but must say rigid has lived up to its name and reputation for providing superior tools and equipment. August 24, 2015
Rated 5 out of 5 by Easy to use Easy to use and reliable as always ridgid products are the best. August 3, 2015
Rated 5 out of 5 by simple ,easy to use,the name says all .....ridgid very nice, or should said awesome?it will much better awesome product, it helped me out finding a gas leak in compiscuos areas inside of the house. . Ridgid is a name , very reliable company and has reliable equipment. I really recommend this product for gas detection July 28, 2015
Rated 5 out of 5 by Once it initializes it works perfectly. I do wish it would "boot up" quicker but once it does the tool works flawlessly. I had to have a detection tool because I lost my sense of smell last year. I love it. November 24, 2014
  • 2015-10-06T11:49:20.320-05:00
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