Extech Moisture Meter - MO50
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Product Information
Full details
The Extech MO50 Moisture Meter is designed for contractors and DIY enthusiasts needing to quickly assess moisture levels in building materials and wood. Its primary benefit is providing accurate, digital readings using resistance (pin) technology, allowing for targeted moisture detection. A potential caveat is the specific measurement ranges, which may require users to understand the differences between building material and wood moisture content.
All features
| Model Part Number | MO50 |
|---|---|
| Brand | Extech |
Extended Product Information
FAQs
What is the difference between the building material and wood moisture ranges?
The meter has two distinct ranges: 1.5-33 vol% for general building materials (like drywall, concrete, plaster) and 5-50 vol% for wood. Using the correct range ensures accurate readings for the material being tested.
How deep do the probes penetrate?
The insertion probes are designed for direct contact measurement. While the exact penetration depth isn't specified, they are intended to reach below the surface to measure the material's internal moisture content.
Can I use this meter on painted surfaces?
Yes, you can use it on painted surfaces. However, for best results, ensure the probes make firm contact through the paint layer to reach the material underneath.
Does the meter come with a battery?
The product information indicates it is ready to use, implying a battery is included. However, it's always best to have a spare 9V battery on hand.
How do I clean the probes?
Gently wipe the probes with a dry or slightly damp cloth. Ensure they are completely dry before storage. Avoid using abrasive cleaners.
What does the 'Hold' function do?
The 'Hold' function freezes the current reading on the digital display. This is useful when you need to record a measurement without looking at the meter while taking the reading.
Is this meter suitable for professional use?
Yes, the Extech MO50 is suitable for professionals such as contractors, inspectors, and woodworkers who require quick and reliable moisture measurements in the field.
Troubleshooting
Device does not turn on
Ensure a fresh 9V battery is correctly installed. Check the battery contacts for corrosion.
Inaccurate or erratic readings
Ensure the probes are making good contact with the material. Clean the probes. Verify the material is within the specified measurement range (building material or wood).
Display shows '---' or 'OL'
This indicates the moisture level is above or below the meter's measurable range. Refer to the manual for specific range interpretations.
Low battery indicator is constantly on
The battery may be weak or faulty. Try a new, high-quality 9V battery.
Pros and Cons
Pros
- Provides accurate digital readings for both building materials and wood.
- Compact and easy to handle for on-site assessments.
- Includes a hold function for convenient data recording.
- Auto power-off feature helps conserve battery life.
- Clear digital display makes readings easy to interpret.
Cons
- Requires direct contact with the material for measurement.
- Measurement range for building materials might not cover all scenarios.
- Insertion probes can leave small pinholes in delicate materials.
- Requires a 9V battery, which may not be included.
Setup, Compatibility & Care
Setup: The Extech MO50 is ready to use out of the box, requiring only a standard 9V battery.
Compatibility: This meter is compatible with a range of building materials including wall panels, gypsum board, cardboard, plaster, concrete, and mortar, as well as various wood types.
Care:
- Always replace the 9V battery when the low battery indicator appears.
- Keep the insertion probes clean and free from debris. Gently wipe them with a dry or slightly damp cloth.
- Avoid exposing the meter to extreme temperatures or moisture.
- Store the device in a dry, safe place when not in use.