Handheld Grain Moisture Analyzer
mini GAC™

The DICKEY-john® mini GAC™ portable moisture tester provides grain trade accuracy moisture readings on-the-go. The mini GAC™ moisture tester is simple to use and provides fast results, making it ideal for standard and niche crops.
- Moisture range 5% – 45% (depending on grain type)
- Simplifies operation with menu-driven interface
- Eliminates pre-weighing with an internal scale
- Avoids cumbersome screw caps that can cause grain damage and oily residue
- Measures over 450 types of grain and product
- Easily loads calibrations with a USB port
- Tests hot or cold grain between 32 and 122°F
- Receives accurate measurements in a variety of conditions with automatic temperature compensation
mini GAC™ Plus


The DICKEY-john® mini GAC™ Plus portable moisture tester provides grain trade accuracy moisture and test weight readings on-the-go. The mini GAC™ Plus moisture tester is simple to use and provides fast results, making it ideal for standard and niche crops.
- Test weight results increase the data available to producers to make the correct harvest, conditioning, and storage decisions.
- Moisture range 5% – 45% (depending on grain type)
- Simplifies operation with menu-driven interface
- Eliminates pre-weighing with an internal scale
- Avoids cumbersome screw caps that can cause grain damage and oily residue
- Measures over 450 types of grain and product
- Easily loads calibrations with a USB port
- Tests hot or cold grain between 32 and 122°F
- Receives accurate measurements in a variety of conditions with automatic temperature compensation
M3G™ & M20P™

The DICKEY-john® M3G™ and M20P™ are portable moisture testers allowing for you to get moisture readings on-the-go. These lightweight units let you take grain moisture readings with a simple scoop from bin and hoppers —no cups or screw-on caps. Advanced DICKEY-john® technology lets you easily bias to match readings to local elevator tests and change grain type with the push of a button.
- Basic moisture testing
- Test up to 3 grains (M3G™)
- Store up to 20 grains (M20P™)
- Pre-programmed calibrations for Corn, Soybeans, and Wheat (Additional calibrations are found in the M3G™ Product Support page on our website)
