Portable moisture tester for grains, corn and many other crops. Ideal for use on machines.


Additional Information – Datasheet AGRETO GFM Grainmoisture Tester

Product Manual – Manual_AGRETO_GFM+

Professional moisture meter for all major crops
The AGRETO GFM+ is a portable device for fast determination of the moisture content of grain, corn, oil crops, protein crops and other crops (41 crops in total).

Ideal for the determination of the harvest and storage life
With the AGRETO GFM+ the moisture is determined directly on the field to make the decision to harvest

Practical to use, directly on the combine or trailer
Through the whole grain measurement and the practical handling provides the GFM+ in seconds, one or more measurement results without cleaning. The large display and ease of use of the device make the use even in the dark, without limitation, possible.

Time and cost savings for farmers and contractors
The determination of the moisture on the field prevents unnecessary trips to the dealer and expensive downtimes of the harvesters.

High measuring accuracy
Due to the compressed sample, the automatic temperature correction and the quality measurement electronics provides the GFM+ reliable results. In the usual harvest moisture are the deviations at max. + / – 0.5%. The calibration curves are individually adjustable for each crop and can be adapted to the reference device.

Technical details:

  • Rugged casing for mobile employment
  • Sample size 80 ml
  • Measuring curves for 41 crops
  • Testing the whole grain – no milling necessary
  • Automatic temperature correction
  • Spring-loaded indicator in the cap
  • Large backlit LCD display
  • Foil keypad
  • Measuring curves can be simply re-calibrated
  • Power supply with two 9 V batteries, sufficient for a whole season
  • Measuring range of 5-40 %
  • Resolution 0.1 %
  • Accuracy +/- 0.5 %
  • Menu-driven operation
  • Building up averages
  • Automatic shutdown
  • Scope of delivery: tester, carrying bag, batteries, manual


  • Safety during harvesting, warehousing and selling
  • High accuracy because of big sample size, compressing the sample and temperature correction
  • Easy to use
  • Measurement result within seconds
  • Sturdy technology