OHAUS JD500 Instruction Manual
OHAUS JD500 Instruction Manual

OHAUS JD500 Instruction Manual

Diamond analytical carat balance

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Ohaus Corporation
19A Chapin Road
P.O. Box 2033
Pine Brook, NJ 07058-2033, USA
Instruction Manual
Diamond Analytical
Carat Balance
1

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Summary of Contents for OHAUS JD500

  • Page 1 Ohaus Corporation 19A Chapin Road P.O. Box 2033 Pine Brook, NJ 07058-2033, USA Instruction Manual Diamond Analytical Carat Balance...
  • Page 2 Ohaus Corporation, 19A Chapin Road, P.O. Box 2033, Pine Brook, NJ, 07058-2033, USA Declaration of Conformity We, Ohaus Corporation, declare under our sole responsibility that the balance models listed below marked with “CE” - are in conformity with the directives and standards mentioned.
  • Page 3 ISO 9001 Registration for Ohaus Corporation. Ohaus Corporation, USA, was ex- amined and evaluated in 1994 by the Bureau Veritas Quality International, BVQI, and was awarded ISO 9001 registration. This certifies that Ohaus Corporation, USA, has a quality system that conforms with the international standards for qual- ity management and quality assurance (ISO 9000 series).
  • Page 4: Table Of Contents

    TABLE OF CONTENTS DESCRIPTION ....................5 UNPACKING ..................... 5 INSTALLATION ....................5 Setting Up and Leveling the Balance ..........5 Pan Installation .................. 5 Connecting Power ................6 Weigh Below Hook ................6 Security Bracket ................. 6 TURNING THE BALANCE ON ................. 6 TURNING THE BALANCE OFF ................
  • Page 5: Description

    DESCRIPTION Your Ohaus Analytical balance is a precision weighing instrument, designed to provide years of service. Simple three button operation allows for the selection of units, calibration and printing parameters. A standard RS232 interface permits communication to an external printer or computer. Power is supplied through an AC adapter.
  • Page 6: Connecting Power

    INSTALLATION (Cont.) Connecting Power NOTICE: The socket/outlet must be installed near the equipment and shall be easily accessible. Connect the AC Adapter cord to the connector located at the rear of the balance and to a suitable power source. Weigh Below Hook For below balance weighing applications (eg.
  • Page 7: Taring

    TARING When weighing items that must be held in a container, taring subtracts the container's weight from the total weight on the pan. Remember, the weight of the container and the material it holds must not exceed the capacity of the balance. 1.
  • Page 8: Print Menu

    PRINT MENU The Print menu is used to configure and customize the RS232 interface parameters for your requirements. The following table shows the sequence in which submenus appear on the Print Menu. Factory settings are in bold. PRINT MENU TABLE Baud Rate Specifies baud rate of either 600, 1200, 2400, 4800, or 9600.
  • Page 9: Setting Baud Rate

    SETTING PRINT MENU FUNCTIONS (CONT.) ENTERING THE PRINT MENU (Cont.) Setting Baud Rate Press O/T ON, until bd 2400 is displayed. Using the MODE OFF button, you can select baud rates of 600, 1200, 2400, 4800 or 9600. Once you have selected the proper baud rate for your system, press O/T ON, the display advances to PAR no (parity).
  • Page 10: Calibration

    CALIBRATION Your Ohaus Balance was calibrated before shipment, however, calibration can be affected by changes in location, temperature, or rough handling. Your balance can be calibrated in two ways: Span calibration or Linearity calibration. Span calibration resets the balance's weighing range using two weight values: zero and a weight value at or near the balance's capacity.
  • Page 11: Linearity Calibration

    LINEARITY CALIBRATION 1. With the balance OFF, press and hold O/T ON until MENU is displayed, then release it and UNITS is displayed. Press MODE OFF, LIN is displayed. 2. Press O/T ON, -C- is displayed followed by the value of the first mass which must be placed on the pan.
  • Page 12: Rs232 Commands

    RS232 INTERFACE RS232 COMMANDS All communication is accomplished using standard ASCII format. Only the charac- ters shown in the following table are acknowledged by the balance. Any other commands, control characters or spaces are ignored. Commands sent to the balance must be terminated with a carriage return (CR) or carriage return-line feed (CRLF).
  • Page 13: Care And Maintenance

    CARE AND MAINTENANCE To keep the balance operating properly, keep the housing and platform clean. If necessary, a cloth dampened with a mild detergent may be used. Check under the sub platform for debris and remove. Keep calibration masses in a safe dry place. TROUBLESHOOTING ERROR CODES When a problem occurs using the balance, the display will indicated an error code.
  • Page 14: Accessories

    76288-01 Impact Printer SF42 RS232 Interface Cable, to SF42 printer 80500570 SPECIFICATIONS ITEM NUMBER JD500 MAX CAPACITY (ct) READABILITY d (mct) WEIGHING UNITS grams, carats, oz t, grains, taels (3) REPEATABILITY (STD DEV) (mct) LINEARITY UP (mct) STABILIZATION TIME (s)
  • Page 15: Warranty

    Ohaus. In lieu of a properly returned warranty registration card, the warranty period shall begin on the date of shipment to the authorized dealer.
  • Page 16 Ohaus Corporation 19A Chapin Road P.O. Box 2033 Pine Brook, NJ 07058-2033, USA Tel: (973) 377-9000 Fax: (973) 593-0359 With offices worldwide. www.ohaus.com Ohaus Corporation 2002, all rights reserved. P/N 80250951A PRINTED IN CHINA...

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