The Gehaka G650i is the state-of-the art in compact grain moisture and foreign material tester. Available from Graintec Scientific (Australia) |

Gehaka 650i Portable Grain Moisture, Impurity & Density Analyser

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The G650i is the state-of-the art in compact grain moisture and foreign material tester. It consists of an electronic scale, two thermometers and a capacitance meter. All measurement management is carried out by a state-of-the-art internal microprocessor.

* Product price and shipping rates exclude GST.


  • Performs calculations required for grain classification, such as impurities, defects, test weight and moisture
  • Measures moisture content of grain sample accurately, quickly (up to 15 seconds) and safely
  • Allows the percentage calculation of impurities and damaged grains through its built-in digital scale, by simply accessing the “Dockage” function
  • Allows determining the apparent density of the grain sample with a very simple operation through the “Test Weight” function
  • All calibration curves available online: on


Number of scales 72
Measurement range According to the commodity calibration
Division 0,1 %
Moisture reading accuracy ± 0.25 % relative to the oven standard
Sample weight to measure the moisture 80 g < weight < 180 g according to the product
Sample weight for impurity calculation Up to the capacity of the weighing vat
Scale 1,000 g x 0.1 g Combined Error of ± 0.2 g
Thermometer 0º to 100 ºC (with ± 0.3 ºC accuracy)
Data interface Bidirectional, Serial RS232C
Tester net weight 3,90 Kg
Dimensions 345 x 300 x 168 mm (W x H D)
Power supply 9 Volt Alkaline Battery or 90 to 240 VAC automatic network adapter

Included Accessories

  • 9 Volt Alkaline Battery
  • 90 to 240 Volts - 50/60 Hz automatic AC/DC power adapter
  • Carrying case
  • Instruction manual
  • Dust cover

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