DURFICST WM700B Professional Pinless Moisture Meter

Introduction

The DURFICST WM700B is a professional pinless moisture meter designed for accurate and non-destructive measurement of moisture content in various materials. Featuring a color LCD and an audible alarm, this device is suitable for wood, building materials such as walls, plaster, and masonry. Its high-frequency wave technology allows for a measurement depth of 5-40 mm without damaging the surface of the object. The ergonomic design ensures comfortable handling and durability.

What's in the Box

• DURFICST WM700B Moisture Meter

Figure 1: Contents of the DURFICST WM700B package.

Setup

1. Battery Installation

The DURFICST WM700B requires 3 AAA alkaline batteries. To install:

1. Locate the battery compartment on the back of the device.
2. Use a screwdriver to open the battery cover.
3. Insert 3 AAA batteries, ensuring correct polarity (+/-).
4. Replace the battery cover and secure it with the screw.

Figure 2: Battery compartment location on the DURFICST WM700B.

2. Initial Calibration

For accurate measurements, the device should be calibrated before use. The WM700B features automatic calibration.

1. Press the power button to turn on the device.
2. Hold the device in the air, away from any materials.
3. Press the 'MEAS' button. The device will display 'CAL' and automatically calibrate within 3 seconds.

Figure 3: Device displaying 'CAL' during automatic calibration.

Operating Instructions

1. Taking a Measurement

The WM700B uses a non-destructive method to measure moisture content.

1. Ensure the device is calibrated (see Setup section).
2. Place the spherical sensor firmly against the surface of the material you wish to measure.
3. The moisture reading will be displayed on the color LCD screen. The device can measure moisture up to a depth of 40 mm.
4. Observe the three-color analog bar for a quick visual indication of moisture levels (Dry, Risk, Wet).

Figure 4: Non-destructive measurement principle.

Figure 5: Measuring moisture on a wooden beam.

2. Audible Alarm

The device features an audible alarm that can be manually set to alert you when moisture levels exceed a predefined threshold.

1. Press the 'SET' button to enter the alarm setting mode.
2. Use the up/down arrow buttons to adjust the alarm threshold value.
3. Press 'SET' again to confirm and exit.

3. Data Hold Function

To freeze the current measurement on the screen, press the 'HOLD' button (often integrated with 'SET' or 'MEAS' depending on the model's specific button layout, refer to Figure 2 for button identification). Press it again to release the hold.

4. MAX/MIN Value Display

The color LCD can simultaneously display the maximum (MAX) and minimum (MIN) moisture values recorded during a measurement session, providing a comprehensive overview of moisture variations.

Figure 6: Device display showing MAX/MIN values and analog bar.

5. Application Examples

The DURFICST WM700B is versatile and can be used on various materials:

• Wood: Ideal for checking moisture content in lumber, flooring, and furniture.
• Walls: Useful for detecting moisture in plaster, drywall, and masonry to identify leaks or dampness.
• Construction Materials: Suitable for slate, tiles, cardboard, gypsum, concrete, and mortar.

Note: This device is not designed to measure metal.

Figure 7: Examples of moisture measurement applications.

Maintenance

To ensure the longevity and accuracy of your DURFICST WM700B moisture meter, follow these maintenance guidelines:

• Cleaning: Wipe the device with a soft, dry cloth after each use. Do not use abrasive cleaners or solvents.
• Storage: 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.
• Handling: The device is designed to be durable, but avoid dropping it or subjecting it to strong impacts.

Troubleshooting

If you encounter issues with your DURFICST WM700B, consider the following:

• No Power: Check if the batteries are correctly installed and have sufficient charge. Replace batteries if necessary.
• Inaccurate Readings: Ensure the device is properly calibrated before each use. Make sure the spherical sensor is in full contact with the material surface. Avoid holding the bottom part of the instrument during measurement, as moisture from your hand may affect results.
• No Audible Alarm: Verify that the alarm threshold is set correctly and that the volume is not muted.
• Display Issues: If the screen is blank or flickering, try replacing the batteries. If the problem persists, contact customer support.

Specifications

Warranty and Support

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official DURFICST website. Our customer service team is available to assist you with any questions or issues you may encounter.