Dickey-John MINI GAC 2500 Operator's Manual
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Dickey-John MINI GAC 2500 Operator's Manual

Grain moisture analyzer
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®
A
D I V I S I O N
O F
T S I
®
MINI GAC
2500
®
GRAIN MOISTURE ANALYZER

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Summary of Contents for Dickey-John MINI GAC 2500

  • Page 1 ® D I V I S I O N T S I ® MINI GAC 2500 ® GRAIN MOISTURE ANALYZER...
  • Page 2 OPERATOR’S MANUAL SAFETY NOTICES ................... 2 LIABILITY ................... 4 INTRODUCTION ..................6 QUICK START GUIDE ................11 BLUETOOTH ..................13 SETTINGS ....................17 NORMAL OPERATION ................25 HISTORY ..................30 GRAIN CALIBRATIONS ................. 31 ACCURACY .................... 33 ERROR CODES ..................35 DIAGNOSTICS ..................
  • Page 3 DISCLAIMER DICKEY-john reserves the right to make engineering refinements or procedural changes that may not be reflected in this manual. Material included in this manual is for informational purposes and is subject to change without notice.
  • Page 4 OPERATOR’S MANUAL FCC COMPLIANCE STATEMENT ® (Bluetooth Equipped models only) FCC ID: QOQBLE112 IC: 5123A-BGTBLE112 Model 46789 This device complies with FCC Rules Part 15. Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference that may be received, including interference that may cause undesired operation.
  • Page 5 Use of the instrument in the field, however, is subject to environmental and operating conditions beyond our control. DICKEY-john disclaims all liability for damages resulting from environmental and operating conditions beyond our control and for any damages that might follow incorrect results due to those environmental or operational conditions.
  • Page 6 OPERATOR’S MANUAL SAFETY NOTICES / 5 mini GAC ® 2500 6010546 Rev C...
  • Page 7 OPERATOR’S MANUAL INTRODUCTION ® The mini GAC 2500 grain testers are portable units that quickly test grain and automatically calculate moisture content and test weight/bulk density of the sample. The unit operates using four function keys coupled with a menu-driven operating system. ®...
  • Page 8 OPERATOR’S MANUAL SPECIFICATIONS Operating Temperature Range: 40 - 113 degrees F, (5 - 45 degrees C) Validated Grain Temperature Range: 40 - 113 degrees F (5 - 45 degrees C) Operating Grain Temperature Range: 32 - 122 degrees F (0 - 50 degrees C) Recommended Maximum Temperature Difference (between analyzer and grain): 36 degrees F (20 degrees Humidity: 5-95%, noncondensing...
  • Page 9 OPERATOR’S MANUAL BATTERY A 9V lithium battery is included in select models only. A low battery voltage menu will appear when battery life has almost reached capacity. The unit is still capable of making accurate measurements, but the battery should be replaced soon. IMPORTANT: Leaving Bluetooth in the “Always On”...
  • Page 10 On/Off Keys Home Enter Use care when handling the mini GAC 2500 unit. Any misuse, such as tossing, dropping, or throwing, can potentially damage the internal measuring device. The unit should be stored in the case when not in use.
  • Page 11 OPERATOR’S MANUAL Figure 4 Cursor Selection Tool 1. Cursor Selection Corn Tool highlighting Product Product header. Average 2. Pressing Enter on the Product Product header displays the Corn Product menu. Soybeans 3. Pressing Enter on the Soybeans Soybeans header displays Product the Soybeans menu.
  • Page 12 OPERATOR’S MANUAL QUICK START GUIDE IMPORTANT: The cell must be empty and the loading cup removed before turning the unit ON and during all testing (progress bar indicates when testing). SELECTING GRAIN 1. Press the On/Off/Home button to power on the unit. 2.
  • Page 13 1. Scoop 2. Pull Slide 3. Strike Grain Use care when handling the mini GAC 2500 unit. Any misuse of the unit, such as tossing, dropping, or throwing can potentially damage the internal measuring device. The unit should be stored in the case when not in use.
  • Page 14 Set On Time Turn/Off ADJUSTING THE TIMEOUT SETTING The “On” timer starts when the mini GAC 2500 tries to connect to a mobile device. “On” time defines how long the device stays active before forcing the Bluetooth to go into sleep mode.
  • Page 15 OPERATOR’S MANUAL Using Bluetooth has the potential to affect the battery life of the device. Setting a time limit that Bluetooth is active and communicating improves battery longevity. To Adjust Bluetooth On Time Setting: 1. From the Home menu, press the Down Arrow button. 2.
  • Page 16 “Connecting” message. 5. Select Connect in the mini GAC 2500 mobile app. 6. The serial number of the mini GAC 2500 to be connected with will be displayed in a Grey-colored box. Press the box.
  • Page 17 OPERATOR’S MANUAL STATUS The Status screen identifies connectivity status (connected, disconnected, or advertising) and connection strength as: • Very good • Good • Okay • Poor • Very Poor • Unusable Figure 9 Status Screen Bluetooth Status Bluetooth CONNECTION EVENT SCREENS Current state of the Bluetooth connection displays with: •...
  • Page 18 OPERATOR’S MANUAL SETTINGS The mini GAC 2500 can be customized to user preferences by changing the following control settings from the Setup menu: • Languages • Results - test weight and temperature • Display • Average buffer size • Backlighting •...
  • Page 19 OPERATOR’S MANUAL Figure 11 Modifying Language Settings Corn History Setup Setup Language Results Language English US French German Italian 18 / SETTINGS ® mini GAC 2500 6010546 Rev C...
  • Page 20 OPERATOR’S MANUAL RESULTS The Results menu controls the appearance of test weight and product temperature results for each measurement on the Test Results menu. The default is set to Show results. To change the Results setting: 1. From the Home menu, press the Down Arrow button and scroll to Setup and press Enter.
  • Page 21 OPERATOR’S MANUAL AVERAGE Averages for up to 20 products are stored in the unit. Individual results correlate with a specific product, moisture result, product temperature and/or test weight. The number of stored memories that appear on the test results menu can be altered to show a minimum of 2 up to a maximum of 10 memory readings.
  • Page 22 OPERATOR’S MANUAL 4. Press the Enter button to save the changed setting or the On/Off/Home button to escape and retain the previous setting. Figure 14 Modifying Backlight Setting Corn History Setup Setup Average Backlight Backlight Backlight CONTRAST The display menu contrast is adjustable on a scale from 10 to 36;...
  • Page 23 OPERATOR’S MANUAL UNITS Units of Measurement options are English (Lbs/Bu) or Metric (Kg/ HL). To change the Units setting: 1. From the Home menu, press the Down Arrow button and scroll to Setup and press Enter. 2. Scroll and press Enter to select the Units menu. 3.
  • Page 24 OPERATOR’S MANUAL To change the Power setting: 1. From the Home menu, press the Down Arrow button and scroll to Setup and press Enter. 2. Scroll and press Enter to select the Power menu. 3. Press the Up or Down Arrow button to select a power down time.
  • Page 25 OPERATOR’S MANUAL 24 / SETTINGS ® mini GAC 2500 6010546 Rev C...
  • Page 26 OPERATOR’S MANUAL NORMAL OPERATION The Home menu appears immediately after all startup self-tests successfully complete. All menus are accessed via the Home menu. MEASURING MOISTURE In preparation for testing grain, the following conditions should be observed. 1. The cell MUST be empty and clean prior to testing for accurate, consistent measurements.
  • Page 27 OPERATOR’S MANUAL Figure 18 Grain Selection Menus Corn Product Average Remain on Product product for Corn 3 seconds Soybeans Calibration Constants Bias Soybeans Home Menu Product Average TIP: Pressing the Enter button from the Home screen and holding for 4 seconds activates the Bluetooth communication function and searches for a paired device (select models only).
  • Page 28 OPERATOR’S MANUAL 5. With the slide closed, scoop or pour grain into the Loader over the minimum fill line as shown in (Figure 19). 6. Place the Loader on top of the unit. 7. When secured, pull Loader slide out to dispense grain into the unit.
  • Page 29 OPERATOR’S MANUAL Figure 20 Testing Grain Soybeans Product Average Empty Cell Hold Upright & Still Testing Loader Off Unit Soybeans Fill Cell Strike Cell Hold Upright & Still Testing Loader Off Unit 13.4% 13.4% Press 56.3 Enter lb/BU 70.5F 70.5F to save Soybeans Soybeans...
  • Page 30 Memory 5th memory Indicator indicator BIAS The mini GAC 2500 uses the same grain constants as the DICKEY-john federal standard GAC 2500 UGMA and is calibrated to USDA certification. NORMAL OPERATION / 29 ® mini GAC 2500...
  • Page 31 OPERATOR’S MANUAL In situations where moisture or test weight differences occur with a local elevator, the Bias function allows entering of a correction factor in moisture and test weight to compensate for those differences. To change the Moisture or Test Weight Bias Setting: 1.
  • Page 32 ® 3. At the Moisture Tester page, select mini GAC 2500. 4. At the mini GAC 2500 product page, scroll down to the Downloads heading and click on mini GAC 2500 PC Application Software Installation Instruction. 5. Save the Installation Instruction (pdf) to the computer and print for reference when beginning to install the software.
  • Page 33 OPERATOR’S MANUAL 32 / GRAIN CALIBRATIONS ® mini GAC 2500 6010546 Rev C...
  • Page 34 OPERATOR’S MANUAL ACCURACY Various factors can result in inaccurate grain readings. The following techniques provide possible solutions to ensure the most accurate readings. CONDENSING SAMPLES (CORN DRYING) When testing wet grain, moisture condensation can cling and build up on the cell causing inconsistent and inaccurate readings.
  • Page 35 OPERATOR’S MANUAL HIGH MOISTURE GRAINS High moisture grains can get stuck when pouring into the cell. NOTE: The mini GAC 2500 loader hole size is designed to meet the US Federal Standard Quart Kettle Test Weight method. To release grain: 1.
  • Page 36 Error codes display when an abnormal event occurs. An error can be acknowledged by pressing the Enter button to return to normal operation. IMPORTANT: Contact DICKEY-john Technical Support or a distributor for any Error Codes that display and are not listed here. LOW BATTERY VOLTAGE Low Battery voltage displays when the battery voltage is low.
  • Page 37 OPERATOR’S MANUAL ERROR 12 Probable Cause Error 20 displays if the measured product moisture is below the lower limit of the production calibration. NOTE: Results may not be accurate. Sample could be too dry to be measured accurately. Corrective Action 1.
  • Page 38 The Cell Board must be functional for a moisture and mass estimate. Corrective Action 1. Power off device. Unit is not operational and should be returned to DICKEY-john for service. ERROR CODES / 37 mini GAC ®...
  • Page 39 Corrective Action 1. Unit is not operational. Return to DICKEY-john for service. ERROR 52 Probable Cause Error 52 displays when the calculated Test Weight of the sample is less than the lower Test Weight Limit stored in the Product File.
  • Page 40 The measured average tilt angle exceeds 10 degrees after an empty cell and/or a full cell test phase. Corrective Action 1. Hold mini GAC 2500 level while performing test or 2. Place on level surface to perform test. 3. Press the Enter button and perform a new test.
  • Page 41 Corrective Action 1. Press the Enter key to return to the Main Menu. Select an available language, if desired. 2. Return instrument to DICKEY-john to load a specific language, if desired. ERROR 78 Probable Cause A normalization file required for proper operation is missing.
  • Page 42 1. Press the Enter key to return to the Main Menu. Check to see if device is operating properly. 2. If pressing the Enter key does not restore functionality, device should be returned to DICKEY-john for service. ERROR 91 Probable Cause Typically occurs when the battery is removed while the unit is on.
  • Page 43 1. Power off device. Unit will likely take poor measurements as a result of default settings. Though unit may run normally, measurements may yield poor results and the device should be returned to DICKEY-john for service. 42 / ERROR CODES ®...
  • Page 44 Press Down button to Info access additional screens For troubleshooting assistance, please contact DICKEY-john technical support at 1-800-637-3302 in the U.S., a local distributor, or our Europe office at +33 1 41 19 21 81. DIAGNOSTICS / 43 mini GAC ®...
  • Page 45 5200 Dickey John Road 217-438-3371 Auburn, IL 62615 217-438-6012 fax www.dickey-john.com ©2020 DICKEY-john ® D I V I S I O N T S I ® DICKEY-john, the DICKEY-john Logo and GAC are registered trademarks of DICKEY-john. P/N 6010546 Rev C...

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