The Dickey-john GAC2100AGRI is a 'farm use' moisture tester, non-NTEP, and is calibrated for 8 commodities. It is ideal for the larger farmer who stores his own grain and is economically priced.  The tester provides a moisture reading, automatic sample weighing, test weight or density, and temperature compensation automatically.  See the following link for up to date calibrations lists for this model. 

Actual dimensions are 16"L x 15.25"W x 14.75"H.  Shipping dimensions are 23"L x 22"W x 19"H.  Net weight 26 lbs., ship weight 36 lbs.