(AgraTronix) The AgraTronix MT-PRO PLUS is a multi-grain, multi-language grain tester. Direct readout for 40 different grain scales. High frequency capacitive circuit with accurate temperature compensation control. Measures a range of 5% - 40% moisture and 32 - 113 degrees Fahrenheit temperature. Accuracy and repeatability within 0.5% in normal moisture range for stored grain. Backlight display for night use. Requires two 9V batteries, not included.