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UNI-T UT377A wood moisture meter
The UNI-T UT377A is a compact and precise moisture meter designed specifically for measuring the water content of wood, plywood, paper and other wood-based materials. The device classifies wood according to four density categories and automatically compensates for the effect of ambient temperature, allowing for reliable results under all conditions. The UT377A is a reliable tool for woodworkers, furniture makers, renovation teams and enthusiasts of woodworking.
Tailored to different types of wood
The meter recognizes four main types of wood, corresponding to the 28 most commonly used species, allowing the measurement to be matched to the type of material. This way, the user avoids errors associated with different wood densities and obtains more precise readings. Automatic temperature compensation further increases the reliability of the measurement, regardless of the operating conditions.
Intuitive operation and easy-to-read display
The clear LCD display with backlighting presents results at a refresh rate of 0.5-second intervals, while MAX/MIN modes and a Data Hold function allow the user to retain the most important measurements. The UT377A automatically adjusts the measurement range and shuts off when finished, which saves power. A low battery indicator reminds you to replace the battery, ensuring uninterrupted operation.
Rugged and field-ready
Thanks to its compact housing and resistance to a drop from a height of 1 meter, the UT377A will work well both in the workshop and on the construction site. Powered by three AAA batteries, it can be used for hours without recharging. It's the perfect tool for anyone who needs fast and precise measurement.
Included
- UNI-T UT377A moisture meter
- 3 × AAA batteries
- User manual (English)
| Manufacturer | UNI-T |
|---|---|
| Manufacturer code | UT377A |
| Certifications | CE, UKCA |
| Humidity measurement range | 2-40% |
| Resolution | 0,10% |
| Accuracy | ±2% |
| Refresh rate | 2 measurements per second |
| Wood categories | 4 (corresponding to 28 species) |
| Ambient temperature compensation | Yes |
| Additional functions | Auto range selection, MAX/MIN modes, Data hold, Screen backlight, Auto power off, Low battery indicator |
| Power supply | 3 × battery 1.5 V AAA (R03) |
| Display | 35 × 32 mm |
| Operating temperature | 0°C ~ 40°C |
| Drop resistance | Up to 1 meter |
| Color | red-gray |
| Net weight | 130 g |
| Dimensions | 135 × 53 × 28 mm |
How to use
Switch on the moisture meter and allow the display to initialise. Place the sensor end of the meter firmly against the material surface to perform a spot measurement; ensure good contact and steady positioning during the reading. For wood, take multiple measurements across different boards or sections to determine average moisture content. For plaster, masonry or composite materials, test several locations including suspected damp areas to map moisture distribution. Record readings and compare them against the acceptable moisture ranges for the specific material before proceeding with installation or remediation.
Recommendations
Calibrate and verify the meter according to the manufacturer instructions if a calibration option is available, and allow the device to stabilise at ambient temperature before measurement. Avoid measuring through thick coatings, paints or surface contamination that may affect contact. When assessing water-damaged structures, combine spot readings with visible inspection and, if necessary, follow up with more detailed moisture assessment tools for a comprehensive evaluation.