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GMM mini moisture meter

Invest in a modern moisture meter!

Thanks to this device you will improve the profitability of your farm:


  • you will know the quality of your grain
  • you will be able to control the moisture of your grain before selling it
  • you will save time and money connected with deductions when selling your grain
  • you will be able to store your grain safely for a long time
  • you will decrease the risk of heating the grain in silos and the appearance of mold

Technical data

  • Dimensions: 19.0 x 12.5 x 8.0 cm
  • Unit weight: 700 g (including batteries)
  • Sample loading: manual, with the help of a special dispenser
  • Sample volume: 270 ml
  • Weight of the dispenser: 140 g
  • Moisture measurement method: capacitive
  • Power supply: 2 x battery AA 1.5V (LR6)
  • Measurement control: one-chip microcomputer
  • Power input: from 15.2 mA to 84 mA (depending on the intensity of the backlit)
  • Estimated working time on one battery pack: 151 hours if backlit is 0% - 70 hours if backlit is 30%
  • Battery low indication: automatic signal
  • Display: graphic LCD, LED-backlit, diagonal 2″
  • Keyboard: membrane
  • Measurement resolution: temperature – 0.1°C, humidity – 0.1%
  • Data modification: using the keyboard – option modification
  • Update: via USB
  • Range of temperature measurement: from -10°C to + 85°C / from 14°F to 185°F
  • Temperature compensation: automatic
  • Accuracy of temperature measurement: ±0.5°C / ±0.9°F
  • Accuracy of moisture content measurement: up to +/- 0.5% in normal moisture range, by using average and calibration adjustments
  • Data storage: internal memory
  • Internal memory capacity: over 400 species in 40 languages
  • Recommended working temperature: from 10°C to 35°C / from 50°F to 95°F
  • Recommended storage temperature: from 5°C to 45°C / from 41°F to 113°F
  • Additional functions: 
  1. modification of moisture measurements,
  2. activation of new species using special codes,
  3. calculation of average value,
  4. automatic temperature compensation,
  5. pop-up menu,
  6. display parameters setting,
  7. selection of language version,
  8. selection of temperature scale,
  9. change of automatic switch-off time,
  10. data and software update.