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Trotec BM31WP AppSensor Moisture Indicator

  Status: In-Stock

  • High-Quality Sensor
  • Smartphone App Controlled
  • Pocket-Sized & Wireless Handheld
  • CM Pre-examination Tool
  • Automatic Switch-Off
  • Bluetooth Connection




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BM31WP AppSensor Moisture Indicator

Pocket-sized, handheld wireless sensor device

The appSensor electronic measuring device conducts quick and effortless non-destructive investigations into near-surface moisture distributions in walls, floors or ceilings—from a pocket-sized, wireless device. Featuring patented German design and innovative sensor technology, this moisture indicator is a high-end measuring gadget for a low-price—a necessity for any water mitigation or restoration project.

With numerous real-time measurement functions, including the precise determination of minimum, maximum and average values, the BM31WP is the optimal solution for detecting leakages and moisture deposits. Plus, it is also especially useful as a pre-examination tool for CM measurements.

The app-controlled sensor is ready for use in seconds via Bluetooth connection; confirmation is displayed by means of an LED on the device. The handheld device features automatic switch-off, hold, logging and alarm functions. Plus, a wrist strap for safe handling.

Transform your smartphone into a multi-measurement tool

In combination with the free MultiMeasure Mobile App, you can record the real-time moisture measurements received from the BM31WP for documentation and analysis, transforming your smartphone into a multifunctional measurement data management tool.

App users can benefit from a range of practical advantages, including manifold analysis options and numerous measurement functions that can be saved and stored; plus, complete data synchronisation with MultiMeasure Professional via cloud. You can simultaneously operate several appSensor devices from a single smartphone via MultiMeasure Mobile. This is ideal for larger climate control tasks, or for start-up water damage restoration businesses.

Data recorded by the BM31WP can be read instantly and clearly within the app; individual measurements can be marked directly within an image and elaborate graphic representation. The humidity matrix can also be displayed as image overlay. So, you can generate a 2D coloured graphic representation of the humidity distribution within your wall or surface. This intelligent image overlay creates a humidity matrix, allowing you to visualise and track the moisture deposits within your surfaces.


Material moisture

Min. measuring range / Material moisture: 0

Resolution: 0.1

Measuring principle: Dielectric / capacitive

Max. measuring range / Material moisture: 100

Ambient Conditions

Operation - min. temperature (°C): 0

Operation - max. temperature (°C): 50

Operation - min. relative humidity

Operation - min. relative humidity [% r.F.] 10

Operation - max. relative humidity [% r.F.] 90

Relative humidity during storage [%] <� 80% RH


4.0 (BLE):

Max. transmission range: 10m in open terrain


Length (packaging excluded) [mm]: 22

Width (packaging excluded) [mm]: 36

Height (packaging excluded) [mm]: 160


(packaging excluded) [kg]: 0.093

What's In The Box

Measuring device

Wrist strap

Operating manual


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Trotec BM31WP AppSensor Moisture Indicator

  • High-Quality Sensor
  • Smartphone App Controlled
  • Pocket-Sized & Wireless Handheld
  • CM Pre-examination Tool
  • Automatic Switch-Off
  • Bluetooth Connection





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