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OHAUS CKW-55 - User Manual

OHAUS CKW-55
68 pages
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CKW-55 Indicator
and
CKW Series Scale
Instruction Manual
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Table of Contents

Other manuals for OHAUS CKW-55

Questions and Answers

  • D
    David GomezAug 2, 2025
    Why won't my OHAUS Touch Panel turn on with AC power?
    • A
      Alec SellersAug 2, 2025
      There are several reasons why your OHAUS Touch Panel might not be turning on when connected to AC power. It could be a defective power cord, in which case you should check for cuts or abrasions. It may also be a defective power supply, requiring a test. Other potential causes include a defective membrane switch or a defective Main PC Board.
  • L
    lynchtaylorAug 7, 2025
    Why is the OHAUS Touch Panel display incorrect or unstable?
    • D
      Desiree WigginsAug 7, 2025
      An incorrect or unstable display on your OHAUS Touch Panel can stem from several factors. The menu settings might be improperly set, so check the instruction manual. There could be loose or improper wiring on connector J2. Improper calibration may also cause this issue, so recalibrate the device. In some cases, a defective Main PC Board could be the cause.
  • R
    Richard SchwartzAug 12, 2025
    How to fix communication issues with RS422/485 on OHAUS Touch Panel?
    • A
      Andrea CallahanAug 12, 2025
      If you're experiencing communication issues using the optional RS422/485 board on your OHAUS Touch Panel, start by checking the menu settings in the Instruction Manual. Also, verify the cable connections according to Figure 3-2. The RS422/485 PC board or the Main PC board might be defective.
  • S
    Stephanie MontesAug 17, 2025
    Why can't I communicate using RS232 with my OHAUS Touch Panel?
    • D
      debraburnsAug 17, 2025
      If you're unable to communicate using RS232 with your OHAUS Touch Panel, the menu settings may be improperly set, so check them in the Instruction Manual. Alternatively, the Main PC board could be defective.
  • D
    Dr. Travis LeeAug 21, 2025
    Why are the relay functions not working on my OHAUS Touch Panel?
    • C
      Corey CarrAug 22, 2025
      If the relay functions are not working on your OHAUS Touch Panel, it could be due to several reasons: the menu settings might be improperly set, the Relay Board might be defective, the Main PC Board might be defective, or there could be loose or improper wire connections. Refer to Figure 3-2 for proper wiring.
  • M
    Mr. Hector FoxAug 27, 2025
    Why does my OHAUS Touch Panel fail to maintain the set time and date?
    • Z
      Zachary HillAug 27, 2025
      If your OHAUS Touch Panel fails to maintain the set time and date, the Real Time Clock (RTC) battery may be depleted, so replace the Real Time Clock battery. In some cases, the Main PC Board might be defective.

Summary

Introduction

1.3 Safety Precautions

Outlines essential safety guidelines for the operation and maintenance of the equipment.

Installation

2.3 Connecting Power

Explains how to connect the scale to a power source, including AC and optional battery power.

2.4 Initial Calibration

Instructs on the initial calibration process required before using the scale for accurate measurements.

Operation

3.5 Application Modes

Covers the different operational modes, including Weighing, Checkweighing, and Library functions.

3.6 Scale Settings

Details various configuration settings for the scale, including Setup, Readout, Mode, Print, COM, I/O, GMP, Lockout.

Care and Maintenance

4.1 Calibration

Provides detailed instructions for performing scale calibration, including span, linearity, and tests.

4.3 Troubleshooting

Lists common symptoms, their probable causes, and suggested remedies for issues encountered with the unit.

Technical Data

Appendix A: Making Connections to the Indicator

Appendix B: Legal for Trade

B.1 Setup Procedure

Outlines the setup procedure for enabling Legal for Trade operation and locking metrological parameters.

B.2 Locking Metrological Parameters

Details the process of setting the internal LFT switch to lock metrological parameters for legal operation.

Appendix C: CKW Indicator Mounting

Appendix D: Serial Communication

Appendix E: Capacity and Graduation Table

OHAUS CKW-55 Specifications

General IconGeneral
Units of Measurementkg, g, lb, oz
Tare RangeTo capacity by subtraction
CalibrationExternal calibration
Power SupplyAC Adapter (Included)
DisplayLCD
InterfaceRS232

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