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Gehaka G650i User Manual

Moisture meter
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User manual
Moisture Meter G650i
Version: 1.00.000
Date: 06/20/2014

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Summary of Contents for Gehaka G650i

  • Page 1 User manual Moisture Meter G650i Version: 1.00.000 Date: 06/20/2014...

  • Page 3: Table Of Contents

    G650i installation ........

  • Page 4: Introduction

    Using the standard oven method as a reference, measurement scales for each product were developed. These curves were transferred to the G650i memory and they are easily identified by product name and their version.
  • Page 5 G650i has also a bidirectional RS232C serial communication port. With this, we can connect the G650i to a printer so the measurement is printed on a label, thus making the counterchecking easier, or else, we can connect the meter to a PC and transfer the information to a managing system.

  • Page 6: Description

    LEFT-HAND ARROW Displays the previous function or decreases the value by one scale interval. OFF (ESCAPE) Switches off G650i , exits a function or setting. DRAWER Receives the cereal sample from the chamber, after the measurement was performed. I Moisture Meter G650...
  • Page 7 RS232 SERIAL PORT CONNECTOR Data output for printer or PC. HARD LOCK (KEY) When connected to RS232 serial output, it releases access to “Configuration” function, where G650i configurations will be made. WEIGHING CUP Sample receiving device for weighing purposes and used to pour out the sample from the Weighing Cup.

  • Page 8: G650I Installation

    Open the packaging, checking the conditions of G650i . Remove the equipment and check whether all its accessories are included. Place the G650i on a stable table, in order to ensure it will not move during the operation. Remove the adhesive tapes fastening the Drawer and check whether it slides easily.

  • Page 9: Diagram Of The Functions

    Diagram of the functions A diagram follows indicating all G650i functions and it will help to understand the operation. Moisture Meter G650...

  • Page 10: Measuring - Moisture Measuring

    100%, and the sample excess shall be removed from the weighing cup. Pour the weighed sample into the Loading Hopper of G650i, using the edge of the Weighing Cup as a reference. The sample shall be poured quickly, do not pour slowly because the instrument repeatability is reduced.
  • Page 11 When the G650i meter is showing the measurement results on the display and a new sample is poured into the Weighing Cup, the G650i meter will perform a new measurement, using the same configuration of the previous measurement. If the ESCAPE key is depressed, the MEASUREMENT option will be exited, returning to the main menu.

  • Page 12: Percentage (Impurities)

    50g, with lower values the function does not program 100%. The scale maximum load is 700g. Pour the sample from the Weighing Cup on the sieve, sieve it and pour back into the Weighing Cup the impurities found, the G650i will indicate their percentage. 10.0 g 4.0 %...

  • Page 13: Approximate Density (Hectoliter Weight)

    If the RIGHT-HAND ARROW is depressed, a report with the result will be printed, as shown below: To complete this function, depress OFF (ESCAPE), a summary of the key actions on this function follows: YES KEY: Tares (zeroes) the Scale; LEFT-HAND ARROW KEY: Programs 100%;...
  • Page 14 Cup edge. The measurement quality depends on this precaution. Place the Weighing Cup back on the G650i, it will indicate the sample Density considering the Weighing Cup volume and the sample weight. The scale maximum load is 700g.

  • Page 15: Battery

    To complete this function depress OFF (ESCAPE), a summary of the key actions on this function follows: YES KEY: Tares (zeroes) the Scale; LEFT-HAND ARROW KEY: Sends a report through the Serial port; RIGHT-HAND ARROW KEY: Sends a report through the Serial port; OFF KEY: Exits the function;...
  • Page 16 If the RIGHT-HAND ARROW is depressed, a report with the result will be printed, as shown below: Gehaka even provides an optional item that is a Rechargeable Battery for G650i. This Battery has the same mechanical appearance of the disposable Battery, but it is a Nickel Cadmium rechargeable Battery.

  • Page 17: Configuration

    5. Configuration The “Configuration” mode offers the possibility to make settings or configurations in the G650i meter. Now, we will describe each one of these functions. The “Configuration” mode offers the possibility to make settings or configurations in the G650i meter.

  • Page 18: Date And Time Adjustment

    There is an internal battery that keeps the clock working even when the G650i meter is disconnected from the power outlet. This battery lasts for over 5 years; to have it tested, just disconnect the G650i meter and see if the clock indicates 00:00:80, if this happens, contact Gehaka Service to replace the battery.

  • Page 19: Adjusting The Number Of Elements To Be Averaged

    Now use the Right hand/Left hand ARROWS to Increase or Decrease the value of the TIME. When the value is right, depress YES and the G650i will go to the next field to be adjusted; 15:00:00 27/11/13 Repeat this procedure for adjusting MINUTES, DAY, MONTH, and YEAR.

  • Page 20: Adjusting The Uumber Of Decimal Digits

    Depress YES to complete the adjustment. Note: It should be noted that, irrespective of the adjustment made in this function, when the moisture content exceeds 22% there will be ALWAYS made a reading with the average value of three elements. 5.3.

  • Page 21: Adjusting The Print Mode

    In this mode, measurement data in a report format will be sent, as stated below, through the Serial Port RS232. If the G650i meter has a built-in Thermal Printer, this report will be printed and simultaneously sent through the Serial Port RS232.
  • Page 22 See below an example of the String that is sent. The ending is with CR and LF. 15; 12.35; 141.7; 0.0; 26.9; 27.4; 66.4; Wheat; 20111101;G650i; 1.00.000;1.00;16:51; 18/01/13;<CR><LF> Description of data fields sent: Sample; Moisture; Weight; Density; Sample Temperature; Instrument Temperature;...

  • Page 23: Adjusting The Number Of Report Copies

    5.5. Adjusting the number of report copies This function allows selecting how many copies of the printing report will be generated. We may select from 0 to 5 copies, where 0 copies means not printing the report. For each copy sent, a new screen will show up requesting to tear the paper and to press YES to the next copy to be printed.

  • Page 24: Adjusting The Contrast

    This function allows adjusting the contrast of the LCD display. This value can be adjusted between 55% and 100%, and 100% is the maximum contrast. This value will be stored in the G650i memory. To adjust the contrast: Go to “Configuration” and depress YES; do not forget to put the Hard Lock in the serial output;...

  • Page 25: Uploading Internet Equation

    5.7. Uploading Internet equation One great innovation of G650i is the possibility of using the Internet to perform a customization of the products the G650i will measure. All this information, news and the guidance to execute them may be accessed at www.moisturetester.com.br.
  • Page 26 Equation and you will be able to install in your G650i . Through our website you will get all the support for the creation. Connecting the G650i to a PC is quite simple: Just follow the steps below: The computer must be connected to the Internet, otherwise it will not be possible to download the necessary files for the installation;...

  • Page 27: Uploading Standard Equation

    This function shall be only used in case of occurring some fault in the download of Internet curves of G650i . In this function, the standard equations built into the G650i will be uploaded, and they may not be the most updated. Moreover, there is no way to select them, so all the equations will be uploaded.

  • Page 28: Self-Report

    5.9. Self-report Makes a self-diagnosis of G650i, and issues a report with all data. The report will be sent to serial output RS232 or to the thermal printer connected to G650i serial port. To get the report: Connect the G650i;...
  • Page 29 Below there is an example of reports and the expected values for each item with its respective tolerance: Moisture Meter G650...

  • Page 30: Language Selection

    Depress YES to complete; 5.11. Auto shutoff Switches on/off the Battery economy mode. When it is activated, it switches off the G650i after 5 minutes without the keypad being operated, thus saving Battery charge. The factory default setting is with the function activated.

  • Page 31: Rs232 Serial Port

    Use the Right hand/Left hand ARROWS to select the required mode; > On 5 min. Depress YES to complete; RS232 Serial Port Set up the printer or the PC with which the G650i is connected with the following configurations: Serial RS232C Protocol: Baud Rate...
  • Page 32 Verify whether the system is selected to the COM port that is connected to G650i . Verify whether the configuration of the PC Serial PORT is in accordance with the above indicated Protocol; Verify the cable pin configuration: Function Female Female Contact Gehaka Service Department.

  • Page 33: Battery Replacement

    Install the new battery Put the screws backs When we switch the adapter connector off the mains, the G650i will continuously operate on the battery for a period of nearly 20 hours. In order to save battery, enable the “AUTO SWITCH OFF”...
  • Page 34 It should be noted that the display backlight only works when the G650i is connected to the Mains Adapter, in order to save battery energy. I Moisture Meter G650...

  • Page 35: Cleaning

    Lie down the G650i as shown in the picture; Open the Chamber door with the chamber Knob; Carefully perform the Chamber cleaning; Connect the G650i again for operation. For the G650i external cleaning use a cloth dampened with water. Moisture Meter G650...
  • Page 36 Its operation is not affected by dust and the microprocessor is able to detect any failure showing an error message on the display. In case of any failure, we recommend to return the G650i to Gehaka for the required meter repair and adjustment work.

  • Page 37: Error Messages

    See the proper procedure in “Cleaning”. If the error persists, there was a failure in the instrument; send the instrument to Gehaka Service Department. Error 2 – Scale Failure The electronic scale is not operating properly.
  • Page 38 After having the sample weight within the limits, a final verification is made after loading; if the amount of sample used is outside the limits that G650i is able to correct, this sample will be unloaded. Increase or reduce the amount of sample to correct the error.
  • Page 39 Error 54 - A/D Call Service Error ?? - Call Service When G650i is connected, it performs a self-diagnosis, ensuring the equipment will make reliable measurements. In addition to this test, a verification will be also made at each measurement, and, if errors were found, the above stated messages will be issued.

  • Page 40: Extreme Conditions

    Some of the involved facts are discussed below. We recommend that the product to be measured in the G650i shall be clean and free from any impurities that could interfere in the moisture measurement. We should consider that, during the instrument calibration process with the oven, it was always used the product clean.
  • Page 41 We encourage your involvement in the development of calibrations, and we ask you to contribute to our work by supplying samples or goods with the calibration under development. Gehaka offers a specific laboratory for moisture measurement and, with these results it is possible to improve the performance of moisture meters.

  • Page 42: Technical Specifications

    Technical specifications I Moisture Meter G650...
  • Page 43 Standard Products in this version and operating ranges for each Product: Moisture Meter G650...

  • Page 44: Warranty

    Gehaka does not guarantee the continuity of merchantability of this product, or its suitability for a given purpose. The responsibility of Gehaka is limited to the unit sales price, as stated in the sales invoice or price schedule, of any defective good, and it will not include the repair of losses and other material and/or moral damages, profit loss or any other consequential damages arising from the use of the equipment, other than those previously provided.
  • Page 45 However, the guarantee period for the painting is thirty days, starting from the date of the invoice issued. The product requiring service during the warranty period shall have the freight to Gehaka and return to customer paid by the Customer.
  • Page 46 Annotations...
  • Page 48 Agricultural Equipment Line Portable Grain Moisture Tester G600i Portable Grain Moisture and Impurity Analyzer G650i Bench Grain Moisture Meter G810 Bench Grain Moisture Meter G939 CA 50 Moisture Tester IV2500 Infrared Moisture Analyzer IV3100 Infrared Moisture Analyzer BK Semi Analytical Balance Ind.

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