EXTECH Compact Pin Moisture Meter – MO50
Manufacturer: EXTECH
The MO50 is a compact pin moisture meter. MO50 displays moisture level in wood and building materials such as wall board, sheet rock, cardboard, plaster, concrete and mortar.
This product is complete with pins (installed on meter), protective cap, and 9V battery.
Model | MO50 |
Sensor Type | Contact Pins |
Wood Moisture Range | 5 to 50% |
Other Building Materials | 1.5 to 33% |
Resolution | 0.001 |
Pin Length | 8 mm |
Wood Moisture Icon Levels | Low: 5% to 11.9%; Medium: 12% to 15.9%; High: 16 to 50% |
Building Material Icon Levels | Low: 1.5% to 16.9%; Medium: 17% to 19.9%; High: 20 to 33% |
Dimensions | 170x65x30 mm |
Weight | 120 g battery not included |
- Displays moisture level in wood and building materials such as wall board, sheet rock, cardboard, plaster, concrete, and mortar
- Audible Alert – tone rate beeps faster as the moisture level increases
- Icons display low, medium and high levels of moisture content
- Easy-to-use, compact-sized design
- Data Hold freezes reading on display
- Built-in battery level check and measurement verification test
- Auto Power Off conserves battery power
- Complete with pins (installed on meter), protective cap, and 9V battery
Since 1971, Extech Instruments has focused on Test and Measurement tools built for the professionals, tradesperson and DIY’ers. Our single source strategy has made us the brand to turn to when it comes to tools that help prevent, identify and troubleshoot problems in a plethora of applications; whether it’s electrical, mechanical, maintenance, safety or environmental applications, our products are trusted by the professionals and are put to the test every day.
With over 45 years, Extech is renowned as one of the largest manufacturers and suppliers of innovative, quality handheld test, measurement and inspection tools in the world. Sold in over 100 countries around the world, Extech’s success is supported by a far-reaching network of dedicated and knowledgeable distributors who introduce new users to Extech every day.
Who We Serve:
Extech’s durable handheld meters and testers are put to the test, on the job every day, by professionals in:
- Electrical contracting
- HVAC/R and mechanical contracting
- Manufacturing and plant MRO (maintenance, repair and operations)
- Disaster and water damage remediation and restoration
- Industrial process and automation
- Environmental (e.g., indoor air quality, water quality)
- Electronics design, testing and repair
- Field service and maintenance
- Workplace safety, health and hygiene
- Energy efficiency services
- Food manufacturing and processing
- Laboratory testing
- Facilities maintenance
- Aviation maintenance
- Automotive fleet maintenance
- Marine maintenance
- and so many other industries
Additionally, Extech is the go-to brand for many vocational users who use Extech for DIY home improvement projects; electronics maker/hacker hobbyists; gardening; culinary and more.

