AEMC instruments 6292 User Manual

Micro-ohmmeter
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User Manual
ENGLISH
Micro-Ohmmeter
Model 6292
MICRO-OHMMETERS

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Summary of Contents for AEMC instruments 6292

  • Page 1 User Manual ENGLISH Micro-Ohmmeter Model 6292 MICRO-OHMMETERS...
  • Page 2 Copyright Chauvin Arnoux , Inc. d.b.a. AEMC Instruments. All rights reserved. © ® ® No part of this documentation may be reproduced in any form or by any means (including electronic storage and retrieval or translation into any other language) without prior agreement and written consent from Chauvin Arnoux , Inc., as governed by United States and International copyright laws.
  • Page 3: Statement Of Compliance

    For recalibration, please use our calibration services. Refer to our repair and calibration section at www.aemc.com/calibration. Serial #: Catalog #: 2129.83 Model #: 6292 Please fill in the appropriate date as indicated: Date Received: Date Calibration Due: Chauvin Arnoux , Inc. ®...
  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1. INTRODUCTION...............6 1.1 INTERNATIONAL ELECTRICAL SYMBOLS ......... 6 1.2 DEFINITION OF MEASUREMENT CATEGORIES (CAT) ... 6 1.3 PRECAUTIONS FOR USE ............7 2.1 RECEIVING YOUR SHIPMENT ............. 8 2.2 ORDERING INFORMATION ............8 2.2.1 Accessories ................... 8 2.2.2 Replacement Parts ................
  • Page 5 4.9 RUNNING A TEST ................. 23 4.9.1 Normal Mode ................23 4.9.2 Both Sides Grounded (BSG) Mode ..........24 4.9.3 Making Current Adjustments ............24 4.10 WARNING MESSAGES .............. 24 4.10.1 Saving a Test ................25 4.11 STORING OBJECTS IN MEMORY ..........26 4.11.1 Viewing Stored Results ...............
  • Page 6: Introduction

    Example: hardwired equipment in fixed installation and circuit breakers. CAT II: Corresponds to measurements performed on circuits directly connected to the electrical distribution system. Example: measurements on household appliances and portable tools. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 7: Precautions For Use

    ■ The instrument, test leads and measuring wires must be free of defects and should be changed if there is any evidence of deterioration (insulation split, burnt, etc.). ■ Never exceed the safety values indicated in the specifications. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 8: Receiving Your Shipment

    Lead, Replacement Set of 2, 25 ft Kelvin Clips (200 A-Hippo) ..Cat. #2129.72 Ground Lead (green) w/clamp ............Cat. #2129.88 Carrying Bag..................Cat. #2133.71 USB Cable (5 ft) ................Cat. #2140.46 Power Cord..................Cat. #5000.40 Order Accessories and Replacement Parts Directly Online Check our Storefront at www.aemc.com/store for availability Micro-Ohmmeter Model 6292 - User Manual...
  • Page 9: Product Features

    The Model 6292 has an internal memory for storing up to 8000 readings. These stored readings can be downloaded to a computer through a USB interface. The advanced high current generation system significantly decreases both weight (24 lbs [11 kg]), and size.
  • Page 10: Features

    ■ Protected by double insulation terminals, and USB isolated from the power supply 2.3 APPLICATIONS ■ Test switchgear contact resistance ■ Test circuit breaker contact resistance ■ Test air frame bonding ■ Test rail bonding ■ Test pipeline bonding Micro-Ohmmeter Model 6292 - User Manual...
  • Page 11: Control Features

    2. Negative supply for the current probe (Gnd) 3. Not connected 4. Current probe output signal (+) 5. Current probe output signal (-) Figure 2-2 NOTE: The positive supply can supply 80 mA maximum. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 12: Lcd Display

    The display also features an adjustable backlight. 2.7 KEYPAD AND FUNCTION BUTTONS The Model 6292 can be operated and configured using the alphanumeric keypad. The keypad enables you to name objects (groups of tests) and enter date/time information, and the function buttons let you select a number of configuration settings.
  • Page 13: Rotary Knob

    ■ When in a menu, pressing the rotary knob for two seconds performs an ESC button function. ■ During a fixed current test, a short press will allow manual adjustment of the test current. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 14: Instrument Configuration

    3. INSTRUMENT CONFIGURATION The Model 6292 can be configured by performing the following: ■ Press the MENU button to display the main menu. ■ Turn the rotary knob clockwise (to move up) or counter-clockwise (to move down) to navigate through the listed options. When the desired option is highlighted, select it by giving the rotary knob a short press.
  • Page 15: Time And Date Settings

    ® 3.1 TIME AND DATE SETTINGS A good way to become familiar with the Model 6292 menu options and navigation features is to enter time and date settings. For example, you can choose either MM/DD/YY or DD/MM/YY format for dates. To set this option, press the MENU...
  • Page 16: Date Format

    Now that you have defined the time and date display formats, you can now enter the actual time and date. To do this, return to the Settings menu and select Set Date: SET DATE 10/16/2013 Micro-Ohmmeter Model 6292 - User Manual...
  • Page 17: Display Options

    The Settings menu lets you adjust your display’s backlight and contrast levels to suit the illumination level in the environment in which the Model 6292 is being used. To do this, select Display from the Settings menu. The Display menu...
  • Page 18: Language

    ■ Go to the main menu and select Language. A list of available language options is displayed with the present language marked. ■ Turn the rotary knob clockwise or counter-clockwise to select the desired language. Confirm the choice by pressing the SAVE button or the rotary knob. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 19: Operation

    The generated voltages and currents may be dangerous. The Micro-Ohmmeter Model 6292 uses the four-terminal Kelvin method to prevent test lead resistance errors during measurement. The test current, selected by the operator, and the reading is obtained by comparison through internal high-stability standards.
  • Page 20: Test Leads

    To choose the operation mode press the blue MODE button while the main screen is displayed. Check the main screen to verify the desired operational mode is displayed. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 21: Creating A New Object Name

    Turn the rotary knob clockwise or counter-clockwise to navigate the available current level options (50, 100, 150, or 200) A. Confirm the choice by pressing the SAVE button or rotary knob. To abort the setup press ESC. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 22: Adjusting The Test Duration

    120 seconds. The test will conclude after 120 seconds, even if you manually set the current back below 100 A before the conclusion of the test. To abort the setup process, press ESC or press the rotary knob for 2 seconds. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 23: Measurement Filtering And Working Frequency

    4.8 MEASUREMENT FILTERING AND WORKING FREQUENCY The Model 6292 has a strong filter to cancel the (50 or 60) Hz noise present in a measurement due to the induction generated by high voltage substations. The working frequency is auto detected by the instrument, with the appropriate filter selected automatically.
  • Page 24: Both Sides Grounded (Bsg) Mode

    ■ OVERRANGE: Indicates that the resistance is above the maximum range for the Model 6292. ■ OVERHEATING: Indicates that the instrument has reached the maximum internal temperature limit. This message will blink. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 25: Saving A Test

    ■ Test number ■ Current of test (in BSG mode, both the test current and ground current are displayed) ■ Partial, final and total time of test ■ Measured resistance ■ Date and time Micro-Ohmmeter Model 6292 - User Manual...
  • Page 26: Storing Objects In Memory

    4.11 STORING OBJECTS IN MEMORY The storage capacity for the Model 6292 is approximately (1600 to 8000) readings depending on how the tests are stored. For example, if a new object is created for each measurement, only around 1600 results can be saved. But if the name of the object is never changed, it is then possible to save up to 8000 measurements.
  • Page 27: Navigating Through An Object

    Turn the rotary knob clockwise or counter-clockwise to navigate through the mea- surements recorded during this test. A test can have several partial results stored. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 28: Checking Memory Usage

    -------100% 4.13 REMOVING TESTS AND OBJECTS FROM MEMORY To conserve available memory on the Model 6292, you can delete individual tests or objects. You can also clear memory, deleting all currently stored objects at once. 4.13.1 Erasing a Single Test To erase a single test within an object: ■...
  • Page 29: Erasing An Object

    ■ Select Clear All. To prevent accidental erasing of the memory, the instrument will ask you to confirm whether or not you want to proceed. CLEAR MEMORY! CONFIRM? WILL NOT BE ABLE TO RECOVER! Micro-Ohmmeter Model 6292 - User Manual...
  • Page 30: Memory Compaction

    When unused spaces are found, the com- paction process is started. This may take several seconds before completing. This scan occurs every time you erase objects or tests from memory. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 31: Dataview ® Software

    Click Exit to close. The DataView folder appears on your computer desktop. 7. Open the DataView folder on your desktop. This displays a list of icons for the Control Panel(s) installed with DataView. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 32: Micro-Ohmmeter Control Panel

    ■ Communication Rate: The serial transfer rate for communicating with the instrument. The Model 6292 defaults to communication rate 57600. ■ Instrument Model: The type of micro-ohmmeter instrument with which your PC is communicating. After you make your selections, click OK to make the connection or Cancel to exit the dialog without establishing communication.
  • Page 33: Specifications

    Protections against over current, short circuit, overheating Security Protection and over voltage at output terminals CE Mark *BSG Test Mode requires optional Current Probe Model MR6292 (Cat. #2129.86) Specifications are subject to change without notice Micro-Ohmmeter Model 6292 - User Manual...
  • Page 34: Maintenance

    ■ Set the switch to OFF. ■ Disconnect the power cord and measurement leads from the input terminals. ■ Replace with an equivalent fuse 15 A, 250 V, 5 x 20 mm (Cat. #2130.00) Micro-Ohmmeter Model 6292 - User Manual...
  • Page 35: Repair And Calibration

    Chauvin Arnoux , Inc. d.b.a. AEMC Instruments ® ® Phone: (800) 343-1391 (Ext. 351) Fax: (603) 742-2346 E-mail: techsupport@aemc.com ▪ www.aemc.com Micro-Ohmmeter Model 6292 - User Manual...
  • Page 36: Limited Warranty

    (800) 945-2362 (Ext. 360) ▪ (603) 749-6434 (Ext. 360) Fax: (603) 742-2346 E-mail: repair@aemc.com Caution: To protect yourself against in-transit loss, we recommend that you insure your returned material. NOTE: You must obtain a CSA# before returning any instrument. Micro-Ohmmeter Model 6292 - User Manual...
  • Page 37 NOTES:...
  • Page 38 NOTES:...
  • Page 39 NOTES:...
  • Page 40 09/24 99-MAN 100393 v19 AEMC Instruments ® 15 Faraday Drive • Dover, NH 03820 USA Phone: +1 (603) 749-6434 • +1 (800) 343-1391 • Fax: +1 (603) 742-2346 www.aemc.com © 2014 Chauvin Arnoux , Inc. d.b.a. AEMC Instruments. All Rights Reserved. ®...

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