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The Trotec BM31 material moisture meter helps you quickly detect moisture in walls, floors, and ceilings. It is ideal for checking for mold, water damage, and construction moisture.
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Trotec BM31 Material Moisture Meter – A Fast and Non-Destructive Way to Detect Moisture
Detect hidden moisture before major damage occurs
Excess moisture can cause:
- mold
- structural damage
- unpleasant odors
- condensation on windows
- a decline in indoor air quality
Moisture is often not visible to the naked eye. The Trotec BM31 material moisture meter allows you to quickly and non-destructively check the moisture levels of walls, floors, and ceilings without damaging the surfaces.
This makes the BM31 ideal for:
- for home use
- for construction projects
- renovation work
- to check for water damage
- to prevent mold
Why choose the Trotec BM31 moisture meter?
- Non-Destructive Moisture Measurement
- No needles or drilling required
- Quick and easy to use
- Suitable for walls, floors, and ceilings
- Measures moisture at depths of up to 40 mm
- A compact and lightweight device
- Backlit screen
- Suitable for both professionals and home users
Problem: Moisture often goes unnoticed
Hidden moisture can occur:
- after water damage
- in poorly ventilated rooms
- in basements
- in bathrooms
- during construction and renovation work
If moisture is not detected in time, it can cause:
- the spread of mold
- damage to finishing materials
- unpleasant odor
- health problems
Solution: Quick moisture inspection without breaking through the wall
The Trotec BM31 uses dielectric measurement technology, which allows you to measure moisture without damaging the material. Simply place the device on the surface you want to check, and the meter will quickly display the moisture level.
This allows you to:
- detect moisture damage
- check the dryness of the walls
- determine the moisture content of building materials
- prevent mold growth
Where is the Trotec BM31 meter used?
The BM31 is well suited for:
- into apartments
- private homes
- for construction projects
- into the basements
- in bathrooms
- buildings undergoing renovation
- to inspect real estate
- for drying projects
Easy to use
The device is designed for fast and convenient use:
- automatic calibration
- prompt response
- simple screen
- compact design
- automatic shut-off
Technical Specifications
- Measurement principle: dielectric
- Measuring depth: up to 40 mm
- Measurement range: 0–100 digits
- Power supply: 9V battery
- Backlit screen
- Automatic Shutdown
- Compact and lightweight body
FAQ – Frequently Asked Questions
What is the Trotec BM31 moisture meter used for?
The BM31 is used to monitor moisture levels in walls, ceilings, and floors, and to detect mold or water damage.
Will the Trotec BM31 damage the wall?
No. The device measures moisture without causing damage and does not require a probe or drilling.
Is the BM31 suitable for detecting mold?
Yes, measuring humidity helps identify areas where mold may develop.
How deeply does the moisture meter measure?
The device measures moisture to a depth of approximately 40 mm.
Is the BM31 suitable for builders?
Yes, the device is suitable for professional use in construction and renovation.
Can this device be used at home?
Yes, the BM31 is very easy to use and is also well-suited for home users.
Does BM31 help after water damage?
Yes, the device helps determine whether the walls and floors are dry enough after water damage or the drying process.
Technical details:
- Measurement principle: dielectric, non-destructive
- Measurement range: 0 to 100 digits
- Resolution: 1 digit
- Penetration depth: 5 to 40 mm
- Power supply: 9V IEC 6LR61
- Dimensions (W x L x H): 180 x 45 x 35 mm
- Weight: 180 g
- Package contents: measuring device, battery, user manual

