Digital Grain Moisture Meter Model: GMM mini, Brand: DRAMINSKI, Poland

Technical Specification:
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 back lit)
Estimated working time on one battery pack
151 hours if back lit is 0%
70 hours if back lit is 30%
Battery low indication: automatic signal
Display : graphic LCD, LED back lit, 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
Dimensions: 19.0 x 12.5 x 8.0 cm
Unit weight: 700 g (including batteries)

Additional functions:
modification of moisture measurements,
activation of new species using special codes,
calculation of average value,
automatic temperature compensation,
pop-up menu,
display parameters setting,
selection of language version,
selection of temperature scale,
change of automatic switch-off time,
data and software update.

The moisture grain meter has default calibration for 33 kinds of grains, oil seeds, legumes and herbs with the following measuring ranges:

Bean 5.0% – 35.0%
Blue lupine 5.0% – 35.0%
Brown rice 8.0% – 23.8%
Buckwheat 5.0% – 35.0%
Canola 4.0% – 30.0%
Chickpeas 5.0% – 35.0%
Common wheat 7.2% – 35.0%
Field peas 7.8% – 35%
Flax seeds 5.4% – 20.5%
Green Coffee Arabica 5.5% – 40%
Green Coffee Robusta 6.0% – 40.0%
Horse bean 7.9% – 35.0%
Husked sunflower seeds 6.0% – 25.0%
Maize 30.0% – 43.0%
Maize 8.0% – 30.0%
Millet 4.0% – 18.6%
Mustard 5.0% – 35.0%
Oats 5.0% – 35.0%
Paddy rice 8.0% – 35.0%
Parchment coffee Arabica 12.0% – 38.0%
Pea 8.0% – 33.0%
Perennial ryegrass 6.4% – 22.0%
Red clover 5.0% – 35.0%
Rye 8.0% – 35.0%
Sorghum 5% – 35.0%
Soya 7.5% – 30.0%
Spring barley 9.2% – 36.2%
Sunflower seeds 5.0% – 35.0%
Triticale 7.4% – 35.0%
Variety wheat 7.3% – 35.0%
White clover 4.8% – 35.0%
White rice 5.0% – 35.0%
Yellow lupine 5.0% – 35.0%