Grain moisture meter Grains that can be tested with the meter: wheat, paddy, rice and corn. Moisture measurement range: 2%~30% Resolution: 0.5% Temperature measurement range: -10~60°C(14~140°F) Maximum error: ±2°C(±4°F) Resolution: 1°C(2°F) Ambient temperature: -10~40°C(14~104°F) Ambient humidity: 0~70%Rh Date hold function. Low power symbol automatic indication. Battery: 4x1.5V AA battery Dimensions: 174LÃ?73WÃ?38Hmm (for main unit) 365Lx43Wx25Hmm (for measurement probe)