(AgraTronix) Quick, convenient method for accurately testing the moisture content of silage or grain. Simple one-minute test provides results within 1% - 3% accuracy. Place sample bag of freshly chopped forage in tester, adjust pressure knob and press "sample" button. The digital readout is then compared to the appropriate conversion chart, listing common silage types, to determine moisture. Measures moisture range of 30% - 75% for silage or 10% - 47% for grain. Pre-calibrated. 9 volt alkaline battery included. One year warranty.