PM6821A is a professional pin-type resistance moisture tester with 2.0%-75.0% measuring range and ±1.0% high precision. It supports 4 wood types, paper and wall detection, equipped with tri-color backlight humidity alert, MAX/MIN lock and data hold. Auto shut-off saves battery power. Compact and durable, ideal for woodworking, flooring installation, furniture production and renovation wall dampness inspection.
Moisture Measuring Range: 2.0%~75.0%, Accuracy ±1.0%
Max Display Value: 75.0%
Back Light with 3-color Humidity Indicator (Green=Low / Yellow=Medium / Red=High)
5 Material Modes: 4 Tree species, Paper, Wall
MAX/MIN Value Capture Function
Data Hold
Auto Power Off
| SPECIFICATIONS | Range | Instructions | Accuracy | |
| Moisture Content | 2.0-75.0% | Type1:2.0%~25.0% | ±1.0% | |
| Type2: 3.0%~30.0% | ||||
| Type3: 4.0%~35.0% | ||||
| Type4: 5.0%~40.0% | ||||
| Paper: 5.0%~75.0% | ||||
| Wall:1.5%~30% | ||||
| FEATURES | ||||
| Display | Maximum value "75%" | |||
| Backlight | Default or low humidity:green;medium humidity:yellow;High humidity:red;backlight can be turned off manually | |||
| Type | low humidity(green) | Medium humidity(yellow) | High humidity(red) | |
| Type1 | ≤7.9% | 8.0%~11.9% | ≥12.0% | |
| Type2 | ≤10.3% | 10.4%~14.8% | ≥14.9% | |
| Type3 | ≤12.7% | 12.8%~17.6% | ≥17.7% | |
| Type4 | ≤14.8% | 14.9%~20.4% | ≥20.5% | |
| Paper | ≤11.9% | 12.0%~15.9% | ≥16.0% | |
| Wall | ≤6.9% | 7.0%~9.9% | ≥10.0% | |
| MAX/MIN | √ | |||
| Data Hold | √ | |||
| Auto Power Off | √ | |||
| GENERAL | ||||
| Power Supply | 2x1.5V AAA batteries | |||
| Product Size | 149.7mmx60.8mmx26.6mm | |||
| Users Manual | 2x1.5V AAA Batteries |