ABOUT INSTRUMENT Q1: What model suitable for inspecting quality of grain ? A2: CTR- 500E apply to measureing the moisture of grain. ES-1000 apply to evaluating the appearance of grain. TM-3500 apply to evaluating the componential analysis. Q1: How long does it take inspection for test sample ? A2: ES-1000 requires 28 seconds for one work operation. TM-3500 requires about 20 seconds for one work operation. ＊The work operation time of CTR-500E is dependent on test sample quantity. Q3: Does it apply to inspecting for all of grain ? A3: CTR-500E apply to paddy, brown and milled rice, wheat, barley. ES-1000 apply to brown rice only (Option:milled rice）. TM-3500 apply to brown and milled rice. If you have any other questions, please contact us.