This was the first company in Japan to develop a practical Grain Moisture Tester. Since that time, this has relentlessly pursued the further development of grain moisture testers. Now, thisintroduces PM-410 as the most reliable Grain Moisture Tester in the world. Calibration was made against Oven Method which designated as an official standard(ie:ISO or USDA).Operation is very easy and moisture content can be displayed by simply pouring a grain sample into the measuring section after pressing the"MEASURE"switch. This is very portable thus can be used immediately at any location.