... for specialized teaching in colleges and institutes.Technical Note:1,Test object: foodstuff and other nonmetal grain sample2,Testing range; 0 ... -40%3,Test error;≤±0.5%(Main moisture range)4,Test time;≤10s5,Repeatability error;≤0.2%6 ... ;Highlight LCD digital display9,Power supply;DC 6V (5 dry battery) or AC 9V (220V DC)10,Test object weight;100-200g11,Measured ...