AEMC 6292 User Manual

AEMC 6292 User Manual

Micro-ohmmeter
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6292
MICRO-OHMMETER
n
E N G L I S H
User Manual

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Summary of Contents for AEMC 6292

  • Page 1 6292 MICRO-OHMMETER E N G L I S H User Manual...
  • Page 2 The recommended calibration interval for this instrument is 12 months and begins on the date of receipt by the customer. For recalibration, please use our calibration services. Refer to our repair and calibration section at www.aemc.com. Serial #: ________________________________ Catalog #: 2129.83 Model #:...
  • Page 3 Thank you for purchasing the AEMC Micro-Ohmmeter Model 6292. For best results from your instrument and for your safety, read the enclosed operating instructions carefully and comply with the precautions for use. These products must be only used by qualified and trained users.
  • Page 4 ■ 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...
  • Page 5: Table Of Contents

    4.5 Creating a New Object Name .............18 4.6 Adjusting the Test Current ..............18 4.7 Adjusting the Test Duration ..............19 4.8 Measurement Filtering and Working Frequency .........20 4.9 Running a Test ..................20 4.9.1 Normal Mode ................20 4.9.2 Both Sides Grounded (BSG) Mode ........21 Micro-ohmmeter Model 6292...
  • Page 6 5.6 Downloading Stored Tests ..............37 6. SPECIFICATIONS ..................39 7. MAINTENANCE ....................40 7.1 Warning ....................40 7.2 Cleaning....................40 7.3 Fuse Replacement................40 7.4 Repair and Calibration ................41 7.5 Technical and Sales Assistance ............41 7.6 Limited Warranty .................42 7.7 Warranty Repairs ................42 Micro-ohmmeter Model 6292...
  • Page 7: Introduction

    Ground Lead (green) w/clamp ............Cat. #2129.88 Set of 5, Fuse 15A 250V, 5x20mm (Slow-Blow) .......Cat. #2130.00 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 for availability Micro-ohmmeter Model 6292...
  • Page 8: 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 9: Applications

    ■ 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...
  • Page 10: Control Features

    1. Positive supply for the current probe (+9V 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 80mA maximum. Micro-ohmmeter Model 6292...
  • Page 11: 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 12: Rotary Knob

    Figure 2-3 ■ 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...
  • Page 13: 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 14 ■ ON ■ Fan ■ AUTO ■ ON ■ Display ■ Backlight ■ Contrast ■ Return ■ System Info ■ Return NOTE: The instrument can also be configured from the Micro-ohmmeter Control Panel (see §5.5) within DataView ® Micro-ohmmeter Model 6292...
  • 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: 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 17: Cooling System

    3.3 Cooling System The Model 6292 features a cooling system that increases the number of sequen- tial tests that you can run without overheating the instrument. A fan in the front panel exchanges internal heated air with ambient air. The cooling system includes a filter for preventing dust and dirt from entering the instrument.
  • Page 18: Operation

    The generated voltages and currents may be dangerous. The Micro-ohmmeter Model 6292 uses the four-terminal Kelvin method to pre- vent 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 19: 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...
  • Page 20: Creating A New Object Name

    Turn the rotary knob clockwise or counter-clockwise to navigate the available current level options (50, 100, 150, or 200A). Confirm the choice by pressing the SAVE button or rotary knob. To abort the setup press ESC. Micro-ohmmeter Model 6292...
  • Page 21: Adjusting The Test Duration

    120 seconds, even if you manually set the current back below 100A 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...
  • Page 22: Measurement Filtering And Working Frequency

    4.8 Measurement Filtering and Working Frequency The Model 6292 has a strong filter to cancel the 50 or 60Hz 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 23: Both Sides Grounded (Bsg) Mode

    Test Duration set to Unlimited and you adjust the current to a value higher than 100A, the test will automatically become a timed test with a duration of 120 seconds. At the end of the test, the previous configuration is recovered for the prese- lected value of the current. Micro-ohmmeter Model 6292...
  • Page 24: Warning Messages

    ■ LOW CURRENT: Indicates that the current is not high enough to measure the resistance. ■ 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.
  • Page 25: Storing Objects In Memory

    4.11 Storing Objects in Memory The storage capacity for the Model 6292 is approximately 1600 readings 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 26: Navigating Through An Object

    ■ The memory register location of the stored test. ■ Date and time that the test was performed. ■ Number of stored measurements in this test. ■ PREVIOUS and NEXT options to indicate the presence of older or later tests. Micro-ohmmeter Model 6292...
  • Page 27: Checking Memory Usage

    A test can have several partial results stored. 4.12 Checking Memory Usage To check how much memory remains available on the Model 6292 instrument, display the main menu, and select Memory. Then select Usage. A bar graph will indicate the used memory percentage, as follows:...
  • Page 28: Removing Tests And Objects From Memory

    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

    (for example, the result of erroneously pressing the DEL button). Erasing the memory will start only if the security code is entered correctly. The security code is a randomly generated number. Micro-ohmmeter Model 6292...
  • Page 30: Memory Compaction

    When the instrument is turned on, it scans its memory looking for unused spaces left behind from the erasing process. 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...
  • Page 31: Dataview Software

    Double-click on Setup.exe from the opened folder view to launch the DataView setup program. NOTE: Depending on your operating system, the User Account Control dialog box may be displayed. Provide a positive response when prompted to proceed. Micro-ohmmeter Model 6292...
  • Page 32 Install. The Installation Wizard window will appear. Click Next. To proceed, accept the terms of the license agreement and click Next. In the Customer Information window, enter a Name and Company, then click Next. Micro-ohmmeter Model 6292...
  • Page 33 12. In the Ready to Install the Program window, click on Install. 13. If the instrument selected for installation requires the use of a USB port, a warning box will appear, similar to Figure 5-4. Click OK. Micro-ohmmeter Model 6292...
  • Page 34 NOTE: If you connected your instrument to the computer before installing the software and drivers, you may need to use the Add/Remove Hardware utility to remove the instrument driver before repeating the process. Micro-ohmmeter Model 6292...
  • Page 35: Connecting The Instrument To Your Computer

    To connect the instrument to your computer, connect one end of the USB cable to the communications port (see Figure 2-1, item 14) on the Model 6292 and the other end to an available USB port on the computer.
  • Page 36: The Micro-Ohmmeter Control Panel

    PC from the instrument, and (right) a “data” frame that lists information about the test that is currently selected in the tree frame ■ Status bar displaying the instrument’s connection status Micro-ohmmeter Model 6292...
  • Page 37: Configuring The Instrument

    5.5 Configuring the Instrument The Control Panel enables you to set many of the same configuration options you can select through the Model 6292’s LCD display. You can also set up a measurement test through the Control Panel. To configure the instrument, perform the following steps.
  • Page 38 Configuration Panel dialog box. ■ Cancel: Closes this dialog box discarding any changes specified without writing them to the attached instrument. Micro-ohmmeter Model 6292...
  • Page 39: Downloading Stored Tests

    ■ The downloaded objects and tests are listed in the navigation tree frame on the left side of the Control Panel. To edit the name and other properties of the test, double-click on its entry in the tree frame. This displays the Session Summary Properties dialog box. Micro-ohmmeter Model 6292...
  • Page 40 Figure 5-9 NOTE: For more information about editing download properties, viewing data, generating reports, and working with other Control Panel and DataView features, consult the Help file within the software. Micro-ohmmeter Model 6292...
  • Page 41: Specifications

    IP54 with cover closed; IP40 with cover open 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...
  • Page 42: Maintenance

    7. MAINTENANCE Use only factory specified replacement parts. AEMC will not be held responsible ® for any accident, incident, or malfunction following a repair done other than by its service center or by an approved repair center. 7.1 Warning •...
  • Page 43: Repair And Calibration

    If the instrument is returned for calibration, we need to know if you want a standard calibration, or a calibration traceable to N.I.S.T. (this includes a calibration certificate plus recorded calibration data). Ship To: Chauvin Arnoux , Inc. d.b.a. AEMC Instruments ® ®...
  • Page 44: Limited Warranty

    7.6 Limited Warranty The Micro-ohmmeter Model 6292 is warranted to the owner for a period of two years from the date of original purchase against defects in manufacture. This limited warranty is given by AEMC Instruments, not by the distributor from whom ®...
  • Page 45: Micro-Ohmmeter Model

    NOTES: Micro-ohmmeter Model 6292...
  • Page 48 09/17 99-MAN 100393 v11 Chauvin Arnoux , Inc. d.b.a. AEMC Instruments ® ® 15 Faraday Drive • Dover, NH 03820 USA • Phone: (603) 749-6434 • Fax: (603) 742-2346 www.aemc.com...

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