Grain moisture meter RM-450, Odesa region.

Grain moisture meter RM-450 ("Kett", Japan) is intended for operational measurement of the moisture content of grains, legumes, 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-inscales, which allows you to obtain 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 grain sample into a cup, press the "MEASURE" button, pour grain into the device's chamber and get the result of measuring % moisture.