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Grain Moisture Testers

For more information about this product, please call 800-426-1848, email or complete the inquiry form.

fax 507-665-6497


Are you frustrated with your inaccurate
and inconsistent grain moisture tester?

Fed up with the dollars lost from
over drying or under drying?

Ready to take a huge step up in quality,
consistency and accuracy, equal to that of your
local elevator at a fraction of the price?

Your search is over and we’ve got your next tester

Dicky-john 2500 model tester
Grain Analysis Computer

DICKEY-john, the worldwide leader in grain moisture analyzers, offers the GAC®2500 AGRI, an affordable moisture tester that provides elevator quality results, using the newest analysis technology 149 MHz to provide repeatable results. One key benefit of 149 MHz technology is the reduction of grain calibrations required to deliver precise results. Additionally, the GAC®2500  GRI has more accurate temperature sensing capabilities, allowing you to measure in extreme temperature conditions including frozen and hot grain. Operation is also simplified with an intuitive color touchscreen, providing accurate results regardless of user skill level. 

Updated features include 

  • Utilizes 149 MHz technology to provide elevator-like results 
  • Easy-to-use, intuitive color touchscreen eliminates operator training
  • Accurate temperature-sensing capabilities allow you to measure frozen and hot grain
  • Memory storage for up to 3,000 measurements
  • Multiple USB ports on the back of the unit for software upgrades, USB devices, printer and peripherals
  • Additional USB ports located on the front of unit for easy calibration imports, as well as keyboard and mouse plug-ins for inputting set-up data


With the myriad of applications in the industry, DICKEY-john understands the need to modify moisture
testers to suit the requirements of your region and operation. That is why the GAC 2500-AGRI is designed
with a robust set of standard calibrations and supported with the option for expansion.

  • Lowest legal temperatures, up to 20% moisture at -4°F
  • Highest moisture limit with unofficial hot grain calibrations
  • Best-in-class support backed by DICKEY-john’s onsite calibration laboratories
  • Convenient, easy-to-download calibrations available on
  • Custom calibration development available for unique crop and region attributes

Technical Specs

  • Operating temperature: 36 to 113°F (2 to 45°C)
  • Power: 110/220V, 50/60 Hz, 30/35 VA
  • Humidity: 20 to 90% noncondensing
  • Grain temperature: -4°F to +113°F (-20° to +45°C) depending on grain calibrations
  • Storage/transit temperature: -4 to +140°F (-20 to +60°C
  • Moisture range: 5 to 45% (grain dependent)
  • Approximate Weight: 25 lbs. (11.43 kg)
  • Approximate dimensions: 17”H x 19”W x 14”D

Dicky-john 2100 model tester
Grain Analysis Computer

The GAC2100 Agri is a convenient and reliable test instrument designed for large-acreage farmers needing immediate moisture, temperature and test weight information on up to 8 different grains. This information is essential to making the most profitable decisions in the handling of grain.


  • Self-Loading
  • Automatic Weighing
  • Automatic Temperature Correction
  • Automatic Moisture Compensation
  • Self-Unloading


  • Creals 
  • Beans
  • Oilseeds
  • Grass Seeds
  • Beans
  • Vegetable Seeds


Mini GAC+.

Whether you're harvesting, storing, or trading grain, nothing is more important to its value than its moisture content and test weight.

With the mini GAC plus you can measure moisture and test weight, and it's:

  • Fast
  • Easy
  • Accurate

Its features include:

  • Menu-driven operating system
  • An internal scale (no pre-weighing)
  • USB compatibility for calibration loading
  • Used for over 450 grains and products
  • Automatic temperature compensation

And NO screw cap, which can damage grains, create oily residue, and are cumbersome to use.

Package for the mini GAC plus includes:
mini GAC plus, loader, 9-volt battery, carrying case, belt clip, instruction manual, and one year manufacturer's warranty.

How do I choose a moisture tester?
Find the right moisture tester for your business with DICKEY-john's new moisture tester selection tool. Don't guess—test!

Save Money
Find out how much a GAC® moisture tester can save you in your cornfields.

Shore Model 920®
Portable Moisture Meter


The Shore Model 920®provides quick accurate moisture results for a
large variety of commodities. Results are displayed directly without the need formoisture or temperature conversion tables.

The 920 uses a pre-weighed sample and a reliable sample loading mechanism to insure accurate, repeatable results. The 920's proven measurement principles and cell design make it one of the most consistently accurate moisture meters available. This includes commercial moisture meters costing thousands of dollars more. This means that the 920 will more closely match the results of the moisture meters used by grain elevators than other portable meters.

The 920 features rugged all metal construction: no flimsy plastic cases or other parts that are easily broken. The 920 is available as a complete portable testing package with a portable electronic scale and all accessories in a sturdy metal carrying case.

Shore Model 930®
Portable Moisture Meter

NEW! Contains all the luxuries of the 920 plus more!

  • Integrated scale and moisture tester
  • Scale programmed for test weight
  • Sample temperatures to 160°F.

  • Kit includes:
    • Test weight cup
    • Strike off stick
    • Moisture tester
    • Test/dump cell
    • Calibration weight
    • Carrying case
    • AC Adapter


To place a credit card order or for more information please call 1-800-426-1848 (Mon. - Fri., 8 - 5 cst)
email or complete the inquiry form



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