1. Introduktion og overview
The VOLTCRAFT FM-200 is a robust and precise measuring device designed to accurately determine the moisture content in various materials. It is ideal for assessing the humidity of wood and common building materials like plaster and screed.
Nøglefunktioner omfatter:
- Live display of moisture values in percentage (%).
- Dedicated measurement ranges for both wood and building materials, ensuring high precision.
- Dual display system with a bargraph and a numerical readout for clear and easy interpretation.
- Invasive measurement type for direct contact readings.

Figure 1: The VOLTCRAFT FM-200 Material Moisture Meter, showing its compact design and clear display.
2. Opsætning
2.1 Batteriinstallation
The FM-200 requires 2x AAA batteries (not included). To install the batteries:
- Find batteridækslet på bagsiden af enheden.
- Skub eller afklips dækslet for at åbne rummet.
- Isæt 2 x AAA-batterier, og sørg for at polerne (+/-) vender korrekt som angivet i batterirummet.
- Sæt batterirummets dæksel på igen.
2.2 Indledende tænding
After installing the batteries, press the power button (if available, otherwise it may power on automatically). The display should illuminate, showing '0.0%' or a similar initial reading. If the display does not turn on, check battery installation and charge.
3. Betjeningsvejledning
3.1 Valg af måletilstand
The FM-200 features a switch at the bottom of the display to select between 'Wood' and 'Building' material measurement modes. Slide the switch to the desired mode before taking a measurement.


Figure 2: The FM-200 display showing 'Wood' mode (left) and 'Building' mode (right).
3.2 Tage en måling
For at måle fugtindholdet:
- Ensure the device is powered on and the correct measurement mode ('Wood' or 'Building') is selected.
- Carefully press the two measurement pins at the top of the device firmly into the material you wish to test. Ensure both pins penetrate the surface adequately for an accurate reading.
- Aflæs fugtighedsprocententage directly from the numerical display. The bargraph provides a quick visual indication of the moisture level.
- Remove the pins from the material once the reading stabilizes.

Figure 3: Demonstrating the use of the FM-200 to measure moisture in a piece of wood.
3.3 Interpreting Readings
Den viste procenttage indicates the moisture content of the material. Refer to industry standards or specific material guidelines for acceptable moisture levels for your application (e.g., for firewood, construction timber, or plaster).
4. Vedligeholdelse
4.1 Rengøring
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 to maintain accuracy.
4.2 Opbevaring
Store the FM-200 in a cool, dry place, away from direct sunlight and extreme temperatures. If storing for an extended period, remove the batteries to prevent leakage.
4.3 Udskiftning af batteri
When the battery indicator on the display shows low power, replace the batteries promptly to ensure accurate readings. Follow the battery installation steps outlined in Section 2.1.
5. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke. | Døde eller forkert installerede batterier. | Kontroller batteripolariteten. Udskift batterierne med nye. |
| Unøjagtige eller svingende aflæsninger. | Poor contact with material, dirty pins, or low battery. | Ensure pins are firmly inserted. Clean pins. Replace batteries. |
| Skærmen er svag eller ulæselig. | Lavt batteri. | Udskift batterierne. |
6. Specifikationer
| Feature | Detalje |
|---|---|
| Fabrikant | VOLTCRAFT |
| Modelnummer | FM-200 |
| Produktmål (L x B x H) | 13.9 x 4.7 x 2.5 cm |
| Varens vægt | 100 gram |
| Voltage | 3 volt |
| Batterier påkrævet | Yes (2x AAA, not included) |
| Antal varer | 1 |
| Oprindelsesland | Frankrig |
7. Garanti og support
For warranty information, please refer to the terms and conditions provided at the time of purchase or contact your retailer. VOLTCRAFT products are known for their solid manufacturing and innovative technology.
If you encounter any issues not covered in the troubleshooting section, or require further assistance, please contact VOLTCRAFT customer support or your product retailer. Please have your model number (FM-200) and purchase details ready when contacting support.





