Plumbing & Contractors$151.2
RIDGID 36163 micro CD-100
Compact enough for cramped mechanical rooms, sensitive enough for real leaks. At just 6.5 inches long and under 7 oz, it clips to your belt.
4.3
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UEi CD100A
General Service & HVACbudget
UEi Test Instruments CD100A
4.5(2,847 reviews)
The CD100A hits the sweet spot for HVAC contractors and residential service techs. UEi's tick-rate system gives intuitive feedback in noisy environments.
$209.99Amazon listing price
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Key Features
- •Semiconductor sensor
- •Thumbwheel sensitivity
- •18-inch gooseneck probe
Pros
- ✓Reliable semiconductor sensor resists humidity drift
- ✓One-hand operation with thumbwheel sensitivity
- ✓Durable ABS housing survives drops
- ✓Fast warm-up (~30 seconds)
Cons
- ✗No ppm display — tick-rate only
- ✗No data logging for compliance
- ✗Requires annual calibration
Specifications
Detection Range
50 ppm - 100% LEL
Sensor Life
5+ years
Power
2 AA batteries (20+ hours)
Probe Length
18-inch flexible gooseneck
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