4N -vintage DICKEY-JOHN model DJGMT grain moisture tested w/ inst. untested

4N -vintage DICKEY-JOHN grain moisture tester - untested-metal case

4N -vintage JOHN DEERE grain moisture tester model TY9304 -untested

GrainSense Hand Held Grain NiR Analyzer Model A-1

Moisture Analyzer 0.001 g 0.01% Readability 4.3-inch Touch Screen

Grain Moisture Analyzer Humidity Meter Corn Rice Wheat Moisture Tester

Lab Halogen Moisture Analyzer Grains & Granules Electronic Moisture Rapid Tester

USB HP-9800 Handheld Power Meter LED Energy Saving Lamps Tester Socket Analyzer