Measuring process with the Humimeter BL2 hammer for moisture measurement of round timber and split logs as well as for determination of firewood moisture and fireplace moisture:

Plug in the sensor cable BL2 Hammer on the device socket and fix the plug by tightening the knurled nut.

Switch on the measuring device and set the correct type of wood (characteristic curve).

To measure, choose a part of the wood WITHOUT bark, branches, pitch pockets or cracks and drive the ram electrode into the wood orthogonal to the grain. Hold the top of the electrode with one hand and push down the handhold with active force until the desired depth is reached.

The water content and the temperature are now visible on the display of the wood moisture meter.

The measuring process with the Humimeter BL2 Penetration probe for wood chips, sawdust and pellets:

Plug in the sensor cable BL2 Connect the wood chip probe to the device socket and fix the plug by tightening the knurled nut.

The Humimeter BL2 switch on and set the correct characteristic.

Now insert the wood chip probe straight into the wood chips with the tip first.

The water content and the temperature are now visible on the display of the wood chip log moisture meter.

  • Very easy to use
  • High measuring range: up to 60% water content
  • Measurement within seconds
  • Datalog function
  • USB interface and printer (optional)
  • Lifetime Support


Evaluation device for wood chips insertion probe and ram electrode for round tim- ber and split logs, for measuring round timber, split logs, wood chips, sawdust, pellets, shredded olive stones, hay and straw bales.


The Humimeter BL2 is a versatile moisture meter that measures the moisture of different types of wood in different shapes as well as wood chips. This is possible through interchangeable extensions.

Only a precise determination of the water content of biomass with a suitable moisture meter for wood chips and a wood moisture meter enables producers, traders and end consumers to be billed fairly.  The water content of wood chips and logs as well as the firewood moisture and the firewood moisture are decisive for the calorific value, hence the Quality control of great importance in production and delivery. With the Humimeter BL2  System problems can be avoided and water is not bought at a high price.

With the Humimeter BL2  is the water content determination of wood chips as well as the determination of firewood moisture or fireplace moisture can be carried out effortlessly and in a matter of seconds. The measured values ​​can be saved on the humimeter BL2 wood moisture meter and output to an external printer using the optional USB interface or transferred to a PC. The device comes with the wood chip probe used as a simple moisture meter for wood chips. With the percussion probe it serves as a wood moisture meter for determining firewood moisture or firewood moisture. Other possible applications are the moisture measurement of sawdust, pellets, shredded olive stones and hay and straw bales.

Since the water content of wood chips, logs and all energetic materials in a delivery can vary greatly, the moisture meter is equipped with a automatic averaging fitted. Carry out several measurements in succession quickly and easily, and the measuring device will then immediately show you the average value. This is a very quick and efficient way to get accurate water content measurements.


  • High measuring range up to 60% water content (depending on type)
  • Various measuring probes for measurements up to a depth of 1 meter available
  • On-site quality control and documentation of firewood moisture, fireplace moisture or wood chips moisture
  • Automatic averaging
  • Menu language in English, German, Italian, French, Spanish, Russian and many more on request

Scope of delivery  

Humimeter BL2 with rubber protection cover and batteries

Required accessories

Measuring probes art. no. 12518 or 12520

Humimeter - Technical data
Measuring range Depending on the sensor (see accessories)
Resolution Depending on the sensor (see accessories)
Temperature measurement Depending on the sensor
Calibration accuracy to reference material +/- 2,5%
Temperature compensation Automatically
Measurement result Within seconds
Memory function Hold function, datalog for 10.000 logs ​​with measuring point report
Dimensions 147 x 75 x 30 mm
Weight 265 g (with batteries)
Power Supply 4 x 1,5 Volt AA Alkaline batteries
Menu languages English, German, Italian, French, Spanish, Portuguese, Czech, Polish, Russian

Humimeter BL2 - Universal biomass moisture meter

  • Brand: Schaller
  • Product Code: 12109
  • Availability: 10-15 Days