Grain Moisture Meter RZ640 
Measuring range: 5% -30% moisture, temperature -10 C-60 C
Maximum error: Moisture ± (1% Rh + 0.5), temperature ± 2.5C (± 5oF)
Resolution: 0.5% moisture, temperature 0-85% Rh
Operating environment: temperature 0 C-40 C / Humidity 0.1-85% Rh
8 Grain mode: Paddy, Wheat, Barley, Fodder, Corn, Rapeseed, Soybean, Rice.
LCD backlight: √
Low battery indication: √
Grain moisture standard setting and excessive moisture Tip: √
Backlight control function: √
Celsius, Fahrenheit temperature unit conversion: √
Battery hold function: √
Auto power off function: 5 minutes without any operation automatic shutdown
Data hold function: √
Power supply: 1.5V AAA*3PCS batteris
Product net weight: Main unt-191g ; Probe-208g
Product dimension: Main unit-72*35*145mm, Probe-415*36*36mm
One unit packing weight: 564g
One unit packing dimension: 46.5*12*4.3 cm