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Gehaka G810 User Manual

Bench grain moisture meter
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User manual
Grain moisture meter model G810
Version: 1.00.000
Date: 08/2016

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Summary of Contents for Gehaka G810

  • Page 1 User manual Grain moisture meter model G810 Version: 1.00.000 Date: 08/2016...

  • Page 3: Table Of Contents

    G810 instalation ........

  • Page 4: Introduction

    Introduction The G810 grain moisture meter includes all the characteristics to provide the most accurate grain moisture reading. With a simple operation and without operator intervention, model G810 will provide moisture readings in a few seconds, for a wide variety of products.
  • Page 5 15 seconds and without the operator intervention, in a fully automatic way. Just select the product, pour the sample in the G810 hopper, until a “BEEP” is given, the G810 will load the sample, perform the measurement and automatically unload the sample.

  • Page 6: Description

    SAMPLING CUP AND FUNNEL This cup shall be used for taking the sample. Your funnel is used for making the cup filling easier and “cutting” the sample excess. ON/OFF Switches ON/OFF the G810 meter. Operating with numerical setting multiplies by 10 the indicated value. Confirms function or setting selection. I Grain moisture meter model G810...
  • Page 7 Exits a function or setting that is being operated at that time. Operating with numerical setting divides by 10 the indicated value. POWER CORD CONNECTOR Place where the power cord will be connected. G810 operates between 90 to 240 VAC. CARRYING HANDLE Used for carrying the G810.

  • Page 8: G810 Instalation

    Open the packaging, checking the conditions of G810. Remove the equipment and check whether all its accessories are included. Place the G810 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: Measuring - Moisture Measuring

    Select the type of cereal you want to measure the moisture. Use Right hand/ Left hand ARROW keys until finding the desired product. Indications below the product names are the moisture minimum and maximum limits the G810 meter is able to make the reading. Depress “YES” to confirm your choice. Take a sample of at least 200 g of the product you want to...
  • Page 10 Remove sample fromdrawer. When the G810 meter is showing the measurement results on the display and a new sample is pouredinto the hopper, the G810 meter will perform a new measurement, using the same configuration of theprevious measurement. If the ESCAPE key is depressed, the MEASUREMENT option will be exited,returning to the MAIN menu.

  • Page 11: Diagram Of The Functions

    1.1 Diagram of the functions A diagram follows indicating all G810 meter functions and it will help to understand the operation. Grain moisture meter model G810 I...

  • Page 12: Configuration

    If the Hard Lock key is not connected to the G810 Serial Port and the access to this function is attempted, the display will show an error message “Access locked, Use the Hard Lock”...

  • Page 13: Date And Time Adjustment

    RS232 Serial Port after the measurement. G810 is already delivered with the clock adjusted at the factory, but it may eventually be readjusted for the Daylight Saving Time.

  • Page 14: Adjusting The Number Of Elements To Be Averaged

    This function makes the adjustment of the decimal digits shown on the display and in the moisture reports. If one decimal digit is used, the rounding of the second decimal digit will be automatically made. The factory default setting is one decimal digit. I Grain moisture meter model G810...

  • Page 15: Adjusting The Print Mode

    In this mode, measurement data in a report format will be sent, as stated below, through the serial data output RS232. If the G810 meter has a built-in thermal printer, this report will be printed and simultaneously sent through the serial data output RS232.
  • Page 16 RS232 serial port. For this function, if the G810 meter has a built-in printer, it will be switched off by the G810 and will not print this data. See below an example of the string that is sent. The ending is with CR and LF. 15; 12.35; 141.7; 77.0; 26.9; 27.4;...

  • Page 17: Adjust Number Of Copies Of The Printed Report

    2.6 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 G810 memory. To adjust the Contrast: Go to “Configuration” and depress YES; you have to put the Hard Lock in the serial output;...

  • Page 18: Unlocking Chamber Door

    Before performing the cleaning, the Chamber Door shall be unlocked, if it is attempted to open the door without using this function, the G810 chamber could be damaged. To open the door and performing the cleaning: Go to “Configuration” and depress YES; youhave to put the Hard Lock in the serial output;...

  • Page 19: Uploading Internet Equation

    2.8 Uploading internet equation One great innovation of G810 is by the use of the Internet, performing a customization of the products the G810 will measure. All this information, and the guidance to execute them may be accessed at www.moisturetester.com.br...
  • Page 20 Creating new Equations. It is possible, starting from a “Universal Scale”, to create a new equation for aproduct the G810 does not have. Just set up a table with the readings of the Standard and those obtainedin the G810 and in a few minutes you will create a new Equation and will be able to install it in the G810.Through our...

  • Page 21: Uploading Internet Equation

    Register your G810, this will bring many advantages. How to exit “2.8 Uploading Internet Equation” function This function passes the control of the G810 processor to the computer to which it is connected. Once having entered in this function, we have only two alternatives to exit: Exit with the site commands;...

  • Page 22: Self-Report

    Use the Right hand/Left hand ARROWS to select the required language; Depress YES to complete. 2.10 Self-Report Makes a self-diagnosis of G810, and issues a report with all data. The Report will be sent to serial output RS232 or to the Thermal Printer built into G810. To get the report: Connect the G810;...
  • Page 23 Grain moisture meter model G810 I...

  • Page 24: Language Selection

    After selected the language run the function 2.9 Uploading Standard Equations, to get the product names on the selected language. 3.1 RS232 serial port Set up the printer or the PC with which the G810 is connected with the following configurations: Serial RS232C Protocol:...
  • Page 25 This information shall be used to program the peripheral, PC or printer that is connected to G810. In case G810 is not transmitting data and the PC is not receiving the information, observe the following items in your PC: Verify whether the system is selected to the COM port that is connected to G810.

  • Page 26: Thermal Printer

    The Thermal Printer is an optional feature of G810. There are two options for installing the printer, one is built into the body of G810, which spares space and wiring, in addition to leave the RS232 Serial Port available for PC interconnection. The other option is the IG200 Thermal Printer, which will be installed in the Serial Port.

  • Page 27: Cleaning

    Chamber could be damaged. To open the door and performing the cleaning: Select “Configuration “ function; Go to function “2.6 Unlocking Chamber Door”; Depress YES; Use the LEFT HAND ARROW to open de door; Grain moisture meter model G810 I...
  • Page 28 In case of any failure, we recommend to return the G810 to Gehaka for the required meter repair and recalibration work. Do not forget that any time the G810 is connected the micro-controller performs a Self Diagnosis that ensures its proper operation.

  • Page 29: 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 30 Error 9 – High Sample Weight! After having the sample weight within the limits, a final verification is made after loading; if the amount of sample used is outside the limited that G810 is able to correct, this sample will be unloaded. Increase or reduce the amount of sample to correct the error. If the error persists, there was a failure in the instrument; send the instrument to Gehaka Service Department.
  • Page 31 This message is displayed when we attempt to enter the “Configuration” function without the Hard Lock key that releases the access to that function. This key shall be installed in the G810 serial output. It is the security resource to prevent G810 parameters from being inadvertently changed. Error 50 - MEM C Call Service...

  • Page 32: Extreme Conditions

    Some of the involved facts are discussed below: We recommend that the product to be measured by the G810 shall be clean and free from impurities that could interfere in the moisture measurement. We should considered that, in the instrument calibration process with the oven, it was always used the product clean.
  • Page 33 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. Grain moisture meter model G810 I...

  • Page 34: Technical Specifications

    0.1ºC / °F Precision ±0.3ºC or ±0.6°F Function Sample temperature automatic correction, within 2 - 15 seconds, depending on the temperature difference between sample and G810. Correction range from 0° to 50°C. Instrument Thermometer Operating Range from 0º to 50°C or from 32° to 122°F Division 0.1ºC / °F...
  • Page 35 Full Range 90 V - 240 VAC power supply Operating temp. Room temperature between 0° ~ 45°C or 32° ~ 113°F Accessories Instruction manual Plastic Scoop Serial cable for PC connection Brush for test chamber cleaning 6 x Paper rolls Grain moisture meter model G810 I...
  • Page 36 Box with 12 thermal rolls (Width 56 ± 1 mm & Max. Diameter 40 mm) Adapter for RS232C/DB9 for standard USB and cable. Available scales in this version and operating ranges for each Product: I Grain moisture meter model G810...

  • Page 37: 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 38 The product requiring service during the warranty period shall have the freight to Gehaka and return to customer paid by the Customer. Gehaka’s salespersons or sales representatives are not authorized to offer any additional warranty other to that described in this manual. I Grain moisture meter model G810...
  • Page 40 CA 50 Moisture Tester IV2500 Infrared Moisture Analyzer IV3100 Infrared Moisture Analyzer BK Semi Analytical Balance Ind. e Com. Eletro Eletrônica Gehaka Ltda. Av. Duquesa de Goiás, 235 - 05686-900 São Paulo - SP - Brasil Phone: +55 11 2165-1100 sales@gehaka.com.br...

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