1. Introduction
The Benetech GM610 is a portable digital wood moisture meter designed for quick and accurate measurement of moisture content in various wood types. It also provides environmental temperature and humidity readings. This manual provides detailed instructions for the proper use, setup, operation, and maintenance of your device to ensure optimal performance and longevity.
2. Product Features
- Adjustable for 4 different wood species groups.
- Data hold function to lock readings.
- Automatic temperature compensation for varying environmental conditions.
- Review function for maximum moisture reading.
- Backlight on/off switch for improved visibility.
- Utilizes CPU technology for precise measurements.
- Powered by 2 AAA batteries with a battery icon indicator on the display.
- Large LCD display for clear readability.
- Automatic power-off after 120 seconds of inactivity; manual power-off is also available.
- Capable of measuring environmental humidity and temperature.
3. Product Overview

Figure 1: Front view of the Benetech GM610 Wood Moisture Meter with the protective cap removed, displaying the LCD screen and control buttons.

Figure 2: The Benetech GM610 Wood Moisture Meter held in hand, demonstrating the illuminated LCD display with current readings.

Figure 3: An angled view of the Benetech GM610, showing the top measurement pins and the side profile of the device.

Figure 4: The Benetech GM610 Wood Moisture Meter presented in its open retail packaging, with the orange protective cap positioned next to it.

Figure 5: Contents of the Benetech GM610 package, including the moisture meter, user manual, and AAA batteries.
4. Setup
4.1 Battery Installation
- Locate the battery compartment cover on the back of the device.
- Slide or unclip the cover to open the compartment.
- Insert two (2) AAA 1.5V batteries, ensuring correct polarity (+/-).
- Replace the battery compartment cover securely.
Note: Batteries are typically not included and must be purchased separately.
5. Operating Instructions
5.1 Power On/Off
- To power on the device, press the HOLD button (power symbol).
- To manually power off the device, press and hold the HOLD button for approximately 2 seconds.
- The device will automatically power off after 120 seconds of inactivity to conserve battery life.
5.2 Measuring Wood Moisture
- Remove the protective cap from the measurement pins.
- Gently push the measurement pins into the wood surface to be tested. Ensure both pins are fully inserted and make good contact with the wood.
- The moisture content percentage will be displayed on the LCD screen.
- After measurement, carefully withdraw the pins and replace the protective cap.
5.3 Selecting Wood Species Group
The GM610 allows adjustment for 4 different wood species groups to ensure accurate readings. Refer to the wood species chart (usually provided in a separate document or on the device itself) to determine the correct group for your wood type.
- Press the M/ENTER button to cycle through the wood species groups (M1, M2, M3, M4).
- Select the group that corresponds to the wood you are measuring.
5.4 Data Hold Function
To freeze the current reading on the display:
- While a measurement is being taken, briefly press the HOLD button. The reading will be held on the screen.
- Press the HOLD button again to release the reading and resume live measurement.
5.5 Backlight Control
To turn the display backlight on or off:
- Press the SET button to toggle the backlight.
5.6 Environmental Measurement
The device also displays the ambient temperature and relative humidity on the upper part of the LCD screen.
- The temperature unit (Celsius or Fahrenheit) can typically be switched by pressing and holding the SET button (refer to specific device instructions if this differs).
6. Maintenance
6.1 Cleaning
- Wipe the device with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
- Ensure the measurement pins are clean and free of debris after each use.
6.2 Storage
- Always replace the protective cap over the measurement pins when not in use to prevent damage and injury.
- Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
- If storing for an extended period, remove the batteries to prevent leakage.
6.3 Battery Replacement
When the battery indicator on the LCD shows low power, replace the batteries as described in the Setup section (4.1 Battery Installation).
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low or dead batteries; incorrect battery installation. | Replace batteries with new ones, ensuring correct polarity. |
| Inaccurate moisture readings. | Incorrect wood species group selected; pins not fully inserted; pins dirty or damaged. | Verify wood species group; ensure pins are fully inserted; clean or inspect pins for damage. |
| Display is dim or flickering. | Low battery power. | Replace batteries. |
| Auto-off function not working. | Device is actively being used or buttons pressed. | Ensure no interaction for 120 seconds. If issue persists, contact support. |
8. Specifications
| Parameter | Value |
|---|---|
| Moisture Measurement Range | 2% to 70% (specific ranges for wood types: 2~40%/50%/60%/70%) |
| Moisture Measurement Error | ±1% |
| Temperature Range | -10℃ to 60℃ (14℉ to 140℉) |
| Humidity Range | 20%RH to 90%RH |
| Power Supply | 2 x 1.5V AAA batteries |
| Automatic Power-off | After 120 seconds of inactivity |
| Weight | 107.7g (excluding batteries) |
| Dimensions | 135.6mm x 55mm x 29.4mm |
9. Warranty and Support
This Benetech GM610 Wood Moisture Meter is covered by a standard manufacturer's warranty against defects in materials and workmanship. Please refer to your purchase documentation for specific warranty terms and duration.
For technical support, troubleshooting assistance, or warranty claims, please contact the retailer or manufacturer directly using the contact information provided at the time of purchase.







