farmex GMTGrind Operator's Manual

Grain moisture tester

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Operators Manual
GMTGrind
Grain Moisture Tester
ENGLISH
Jun 2009

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Table of Contents
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Summary of Contents for farmex GMTGrind

  • Page 1 Operators Manual GMTGrind ™ Grain Moisture Tester ENGLISH Jun 2009...
  • Page 2 RECORD SERIAL NUMBERS in the Service section. Accurately record all the numbers. AgraTronix needs these numbers when you order parts. If this manual is kept with the GMTGrind™, also file the identification numbers in a secure place separate from the GMTGrind™.
  • Page 3: Table Of Contents

    Contents Safety ....................ii Parts Contents of the GMTGrind™ Case ..........05-1 Operation Testing and Replacing the Battery ...........10-1 Important Calibration Notes .............10-2 Sample Taking .................10-3 Measurement of the Grain Sample ..........10-3 Calculation of the Average Value .............10-4 Calibration ..................10-5 Adjustment of the LCD Display Contrast .........10-5 Specifications ................20-1...
  • Page 4: Safety

    Safety RECOGNIZE SAFETY INFORMATION This is a safety-alert symbol. When you see this symbol on your machine or in this manual, be alert to the potential for personal injury. Follow recommended precautions and safe operating practices. UNDERSTAND SIGNAL WORDS A signal word – DANGER, WARNING or CAUTION –...
  • Page 5: Parts

    Parts CONTENTS OF THE GMTGrind™ CASE The GMTGrind™ case includes: • GMTGrind™ Grain Moisture Tester • Carrying Case • Cleaning Brush • Operation Instructions • 9V Alkaline Battery (Installed) 05-1...
  • Page 6: Operation

    Operation TESTING AND REPLACING THE BATTERY Turn the GMTGrind™ Grain Moisture Tester on by pressing and releasing the ON/OFF button. When the tester starts up, the text BATT and the battery voltage will be displayed briefly. When the tester is on, battery voltage can be viewed by...
  • Page 7: Important Calibration Notes

    Operation IMPORTANT CALIBRATION NOTES The GMTGrind™ Grain Moisture Tester should be calibrated to match a reference moisture tester before using it. See instructions on page 10-5. If the display shows “——” or “++++”, the measured moisture is out of range.
  • Page 8: Sample Taking

    Operation MEASURING THE MOISTURE SAMPLE TAKING Always take several samples from different locations of the grain. Define the grain moisture content by calculating the average value of the measurements. Figure 2. Remove foreign material from the Measure grain samples. grain. Remember that the moisture inside the grain dryer varies up until the final stages of the drying process.
  • Page 9: Calculation Of The Average Value

    CALCULATION OF THE AVERAGE VALUE The GMTGrind™ Grain Moisture Tester automatically calculates and displays the average value of the last measurements. The average value is shown on the lower right hand corner of the display.
  • Page 10: Calibration

    Measure a sample with the reference moisture tester. For the purposes of this example, it will be called Result A. b. Measure the moisture with the GMTGrind™ Grain Moisture Tester. For the purposes of this example, it will be called Result B.
  • Page 11: Specifications

    Specifications – Easy to read LCD display – Calculation of average value of measurements – Individual offset adjustment on each crop – Display of battery voltage Battery 9 Volt Alkaline Accuracy + / – 0.5% of grain moisture (below 18%) Calculation of Automatic averaging on the last Average Measurements...
  • Page 12: Warranty And Service

    WARRANTY The Farmex™ GMTGrind™ Grain Moisture Tester is guaranteed by AgraTronix to be free from defects in materials and workmanship for one year from date of retail purchase. This warranty does not cover the battery or damage resulting from misuse, neglect, accident or improper installation or maintenance.
  • Page 13 Warranty and Service RECORD SERIAL NUMBER NOTE: The tester serial number is located on the bottom of the unit. Write your model number, serial number and date of purchase in the space provided below. AgraTronix needs this information when ordering parts and when filing warranty claims.
  • Page 14: Manufacturer's Contact Information

    Manufacturer’s Contact Information Toll-Free (800) 821-9542 1 (330) 562-2222 FAX 1 (330) 562-7403 http://www.agratronix.com 10375 State Route 43 Streetsboro, OH 44241 U.S.A. 40-1...

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