Grain Elevators

Commercial Moisture Testers

We are your single source for sales and service of commercial moisture testers. Simply put no one has more experience in moisture testers than Ag Express.



Purchase your Moisture Tester from our Store!

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The 2500-UGMA is the next generation of moisture testers from  DICKEY-john® the worldwide leader in grain moisture analyzers.  The 2500-UGMA was adopted as the FGIS Standard in 2012.  

Since 1978 DICKEY-john® has offered the most accurate, reliable commercial moisture testers available and the people of Ag Express have been with them since Day 1. Consequently, if you purchase your unit from us and you ever have a Service or a Calibration issue we can help you. Ag Express is your single Sales & Service source - don't buy your tester from anyone else.


Repair Form

Fill out this form and send it in with your moisture tester for repair.

Repair Order Form

No one has more experience in repairing and calibrating DICKEY-john® commercial moisture testers than the people of Ag Express.  Since the introduction of the highly successful GAC II in 1978, our technicians have provided repair service and calibration of the complete line of DICKEY-john® moisture testers.


  • Authorized Service Centers
  • Loaner units
  • Circuit board repairs
  • Complete calibrations
  • Repair of mechanical issues
  • Timely repair turnaround
  • Walk-in repairs at our 3 regional locations
  • Troubleshooting
  • Other brands serviced
“Ag Express Electronics is NOT affiliated with the owners of other trademarks that may appear on the Ag Express website. All trademarks, trade names, and/or logos mentioned are the property of their respective owners. Every effort has been made to properly capitalize, punctuate, identify and attribute trademarks and trade names to their respective owners, including the use of ® and ™ (TM) wherever possible and practical.  Please refer to our “Terms of Service” pages for more information.”