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Handheld gas leak detector with 16" flexible probe, tri-mode alarms, and adjustable sensitivity for locating combustible gases.
Pair withRIDGID 36273 Portable Tristand Chain Vise (Red)$99.52
Categories : Tools & Hardware
SKU : WOR-TOO-386
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The RIDGID CD-100 Micro Combustible Gas Detector (catalog number 36163) is a professional-grade diagnostic tool designed for plumbers, HVAC techs, and gas fitters. It swiftly detects trace amounts of combustible gases—including methane, propane, butane, ethanol, ammonia, and hydrogen—so you can pinpoint leaks before they become a hazard. The 16-inch flexible probe reaches into tight corners and behind appliances, while tri-mode alarms alert you visually, audibly, and with vibration. With field-replaceable sensors and adjustable sensitivity, the CD-100 is built to keep working on demanding jobs.
The CD-100 uses a low-power semiconductor sensor to sniff out gas concentrations as low as the parts-per-million range. It's ideal for checking gas line installations, verifying after repairs, and locating leaks in tight spaces. The bright LED lights on the tip give a direct visual indication of leak magnitude, and the audible tone speeds up as you approach the source.
For accurate readings, regular calibration is essential. The CD-100 should be zero-calibrated in fresh air (not near a suspected leak) before each use. Press and hold the calibration button for 3 seconds until the LEDs cycle and the unit beeps. If you move from a contaminated area to fresh air, allow the sensor to stabilize. For sensor replacement, the CD-100 features a user-replaceable sensor module that you can swap in seconds without sending the tool back to the shop.
The 16-inch gooseneck probe flexes into confined areas like furnace access panels, under sinks, and around gas meter fittings. It stays in position once bent, leaving your hands free to repair the leak. The ergonomic handle is comfortable for gloved or bare hands, and the robust housing withstands drops and chemical exposure.
16-inch flexible probe reaches confined spaces
Tri-mode alarms: visual, audible, and vibration
Adjustable sensitivity detects low gas levels in seconds
Field-replaceable sensor for more uptime
Detects methane, propane, butane, ethanol, ammonia, hydrogen
Model: 36163 / CD-100
Power: 9V battery
Sensor: Field Replaceable
Alarm Types: Visual, Audible, Vibration
Probe Length: 16 in (40.6 cm)
Product Type: Combustible Gas Detector
Detection Range: 50 ppm to 50,000 ppm (varies by gas)
Sensitivity Adjustment: Yes
Seller: Workbench World
MPN: 36163 / CD-100
When you're under a sink or behind a furnace, you don't always need to hear the alarm. The CD-100's vibration alarm buzzes your pocket, and the LEDs on the probe tip light up in a proportional cascade. You can also mute the audio if you're in a noisy environment and rely on the visual signal.
To verify calibration, use the included calibration cap and 1000-ppm methane test gas (sold separately). The CD-100 will alarm within 2 seconds when exposed to the test gas. Field calibration is a one-button operation. This ensures your readings always stay reliable.
This detector is built for field use. The integrated belt clip and rugged overmold handle keep it accessible while you work. The sensor is designed to be swapped without opening the whole case, so you can be back on the job in minutes.
Turn the unit on and wait for the sensors to warm up. Move to a fresh-air area away from any gas sources. Press and hold the calibration button (near the power switch) for 3 seconds until the LEDs go off and the unit beeps. The display will show zero. Recalibrate several times a day for best accuracy.
The sensor is typically replaceable every 1–3 years depending on use and exposure. If the detector alarms in clean air or fails to respond to a known leak, the sensor may need replacement or reseating.
No, this unit detects combustible gases (methane, propane, etc.), not toxic carbon monoxide. For CO detection, use a dedicated CO detector or tester.
Yes, the 16-inch probe is flexible and holds its shape, letting you position it around obstacles.
Found a leak in minutes.
My husband and I were smelling gas in the basement. This little detector found a loose fitting on the water heater. It's easy to hold and the probe reaches tight spots.
I'm a plumber and I use this on every service call. The flexible probe gets around bends, and the meter reacts quickly. The three alarms are helpful because I can listen without staring at the screen. Sensitivity adjustment lets me pinpoint the source. It auto-zeroes, which is fine. The battery door is a little stiff, but otherwise it's a good tool. I trust it.
I used this to check my stove hookup after moving into an old apartment. It's simple: one button to zero, and it beeps when something's there. It gave me peace of mind. The case is a bonus.
Used it to find a propane leak on a BBQ. The flexible 16-inch probe made it easy to trace the line. It picked up the leak at the regulator. I tightened the fitting and the beeping stopped. I then double-checked with soapy water, and it agreed. This is a quality instrument that belongs in every home toolbox.
