Grain moisture meter RM-450, Odessa region.

Grain moisture meter RM-450 ("Kett", Japan) is intended for operational measurement of the moisture content of grain, leguminous crops, seeds, and their processing products under conditions of harvesting, during post-harvest processing and drying, storage and processing.
Does not require preliminary grinding.
(//tractor-service.com)
The "RM-450" grain moisture meter allows you to measure moisture in 28 crops, such as: wheat, barley,corn, soybeans, rapeseed, rye, oats, sorghum, sunflower, buckwheat, rice, etc. (see the list in the photo in the table)
The design feature of the "RM-450" moisture meter (unlike other similar devices) is that this device has built-inweights, which allows you to get the most reliable results of the moisture content of the material being measured.
To measure grain moisture, it is enough to turn on the device, select a crop, take a sample of grain into a cup, press the "MEASURE" button, pour grain into the chamber of the device and get the result of % moisture measurement.