The QTH series moisture content instrument has obtained the national monopoly certificate (the despotic number: 200630185063.5) after the State Bureau of Technological Supervision confirmation, obtains the full approval. And obtains the measurement standard number: 07000088 this instrument widespread application and survey: The corn, the wheat, the Japonica rice, the indica rice, the soybean, the sesame seed, the millet, the sorghum, the rice, the rapeseed and so on several kind of varieties, are the grain purchase, the processing ideal auxiliary product.