
General Tools MMD4E Pin Moisture Meter for Wood, Walls and Water Leak Detection
Why this score
- Star rating 45% of score90/100 → 40 pts
- Number of reviews 35% of score100/100 → 35 pts
- Features 20% of score25/100 → 5 pts
Has: pin mode. Missing: pinless mode, species scales, ambient readings.
Total: 80/100. How the score works
The best-selling and most-reviewed moisture meter here: a pin meter with a backlit display, spare 8 mm pins and a cap that checks calibration.
Best for: Checking firewood, lumber and drywall after a leak.
Skip it if: You can't put holes in the surface; use a pinless meter.
- Type
- Pin
- Pinless depth
- —
- Range
- 5-50%
- Extras
- Backlit LCD, spare pins, cap doubles as calibration checker, 9V battery
Pros
- 15,230 reviews; 8,000+ sold last month
- Calibration-check cap
- Spare pins
Cons
- Pins leave small holes
- No species scales listed







