Advantages of hay and straw moisture tester

  • The most durable device for measuring hay and straw moisture is available on the market.
  • Allows for a fast reaction when conducting necessary actions to avoid risk and potential losses resulting from too high moisture levels.
  • It is equipped with a transparent LCD display. An option to read the average, minimum and maximum moisture value for the inspected batch of hay or straw.
  • The device is equipped with an additional temperature measurement feature.
  • The probe is made of stainless steel which guarantees durability and resistance to corrosion. An ergonomically shaped handle helps to conduct measurements in a tightly compressed material.
  • Extremely easy to use.
  • Has an option to modify readings.


The device is available in 2 versions:

  • HMM with a probe attached with a cable to the electronic part (approx. 60 cm or 200 cm with the probe)
  • HMM with a probe permanently attached to the electronic part


The set includes:

  • DRAMINSKI HMM moisture meter or DRAMINSKI HMM FIX with a fixed measuring probe,
  • measuring probe with a connecting cable (in DRAMINSKI HMM),
  • plug to secure the probe in transport,
  • 1 x 9V 6F-22 type battery,
  • a color transport packaging made of laminated cardboard,
  • manual.


Warranty: 36 months

Technical data

Weight in version with a cable   800 g (with battery)
Weight in the version without a cable   665 g (with battery)
Length of the probe (in version with a cable)   56 cm, 200 cm
Lenght of the probe (in version without a cable)   54 cm
Connection cable length (only version with a cable)   140 cm
Dimensions of reader   20.0 x 8.5 x 12.0 cm
Moisture measurement method   resistivity
Power supply   1 x 9 V battery, type 6F-22
Battery low indication   Automatic
Power input   ~4 mA
Measurement control   Single chip microcomputer
Estimated working time on one battery pack   about 100h
Display   LCD, 3.5 digits
Keyboard   membrane
Measurement resolution   temperature – 1°C, moisture – 0,1%
Data modification   using keyboard – Data modification option
Temperature compensation   Automatic with on/off option
Moisture measuring range   10 – 80 %
Range of temperature measurement   1 – 100 °C;  33.8 – 212.0 °F
Accuracy of temperature measurement   ± 1°C
Recommended storage temperature   from 5°C to 45°C
EAN code   5906874410233 – version with a cable
5906874410332 – version without a cable
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