AEMC 6418 User Manual
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AEMC 6418 User Manual

Clamp-on ground tester
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6418
■
GROUND TESTER
ENGLISH
User Manual

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Summary of Contents for AEMC 6418

  • Page 1 6418 ■ GROUND TESTER ENGLISH User Manual...
  • Page 2 Serial #: 2141.03 Catalog #: 6418 Model #: Please fill in the appropriate date as indicated: Date Received: Date Calibration Due: Chauvin Arnoux ® , Inc. ® d.b.a AEMC Instruments www.aemc.com Clamp-On Ground Tester Model 6418...

  • Page 3: Table Of Contents

    Mechanical Characteristics ..........22 3.6. Compliance with International Standards ...... 23 3.7. Electromagnetic Compatibility (EMC) ......23 3.8. 4. MAINTENANCE ............. 24 Cleaning ................. 24 4.1. Battery Replacement ............. 24 4.2. LIMITED WARRANTY ............26 Clamp-On Ground Tester Model 6418...
  • Page 4 Thank you for purchasing the AEMC Clamp-On Ground Tester Model 6418. 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 5: Precautions For Use

     Keep the surfaces of the air gap clean; even a little dirt can cause the clamp to malfunction.  Use personal protection equipment systematically.  All troubleshooting and metrological checks must be done by competent accredited personnel. Clamp-On Ground Tester Model 6418...
  • Page 6 Save the damaged packing container to substantiate your claim. Ordering Information Clamp-On Ground Tester Model 6418 ......Cat. #2141.03 Ω Includes hard carrying case, 5 calibration loop, four 1.5V AA batteries, wrist strap, Bluetooth adapter, multilingual safety sheet, Quick Start Guide, and USB drive containing User Manual.

  • Page 7: Introduction

    The Model 6418 can make accurate low value ground impedances measurements and AC current measurements. Its large oblong measurement head can clamp around bars up to 1.18 x 1.57” (30 x 40mm).

  • Page 8: Function Keys

    SET-UP: ► browses in the menu and confirms the changes  made. MR: ► toggles the display between the measurement and  the date/time. 1.2. DISPLAY When the measurement exceeds the limits of the measurement range, the instrument displays OR. Clamp-On Ground Tester Model 6418...

  • Page 9: Inserting Batteries

    P) using ▲ and ▼. Confirm by pressing ►. The hours reading blinks. Set it The minutes reading blinks. Set using ▲ and ▼ and confirm it using ▲ and ▼ and confirm by pressing ►. with ►. Clamp-On Ground Tester Model 6418...

  • Page 10: Operation

    Set the that is part of the ground system switch to to be measured. Ω+A. When the jaws are open, the symbol is displayed and the instrument cannot make a measurement. Clamp-On Ground Tester Model 6418...
  • Page 11 21Ω and Z effectively 0.6Ω, the Model 6418 will read 21.6Ω. During the impedance measurement, the instrument emits an intermittent audible “beeping” signal. This is caused by the measurement frequency that flows in the measurement head. The sound can vary as a function of the frequency and amplitude of the current measured.

  • Page 12: Current Measurement

    The current measurement alone is identical to the current measurement with the impedance measurement. Press the trigger to open the jaws of the clamp and Set the switch to clamp the conductor in which the current to be measured flows. Clamp-On Ground Tester Model 6418...

  • Page 13: Configuring (Set-Up)

    : impedance alarm activates when impedance <10Ω. Press ►; the alarm threshold blinks. Set it using ▲ and ▼. Acceptable values are between 1 and 199Ω. A long press scrolls the values faster. Confirm by pressing ►. Clamp-On Ground Tester Model 6418...
  • Page 14 Confirm by pressing ►. VER menu (display of the software version) Press ► to display the software version number. Press ▼ to display the instrument serial number. CAL menu (not used) Clamp-On Ground Tester Model 6418...

  • Page 15: Errors

    15 minutes. It is possible to disable automatic standby; refer to §2.4 (STOP menu). The symbol is then displayed. Clamp-On Ground Tester Model 6418...

  • Page 16: Storage

    2.7.2. VIEWING RECORDINGS The instrument displays the last measurement Set the recorded. Press ► to display the date and time. switch to MR. Use ▲ and ▼ to scroll through all of the recorded measurements. Clamp-On Ground Tester Model 6418...
  • Page 17 The instrument reports this by alternately displaying FULL and the memory slot number. You can continue in this way up to number 9999, at which point recording becomes disabled and you must erase the memory to be able to resume recording. Clamp-On Ground Tester Model 6418...

  • Page 18: Technical Characteristics

    10 mΩ 100 mΩ 1 Ω Intrinsic ± (1.5%R + ± (1.5%R + 2 ± (1.5%R + ± (2.5%R + uncertainty (δ) 0.01Ω) 2 ct) 2 ct) No-load voltage ≤ 45 mV to 2083 Hz Clamp-On Ground Tester Model 6418...

  • Page 19: Influences

    Beyond 20A and 800Hz, the clamp may overheat dangerously. 3.2.3. STORAGE Number of records: 300. 3.3. INFLUENCES Z = impedance I = current δ = intrinsic uncertainty given in §3.2. ct = resolution given in §3.2. Clamp-On Ground Tester Model 6418...
  • Page 20 4 δ ± ct I <10 A. ZxI Z x I <75 V Z ≥ 100 Ω 0.5 δ ± ct 1 δ ± ct Ground Instrument displays Z at measurement frequency 0 to 500 µH inductance (2083Hz) Clamp-On Ground Tester Model 6418...
  • Page 21 I < 40A > 70 dB > 66 dB conductor Frequency of 47 to 800 Hz 1 the leakage 0.5 δ ± ct 1 δ ± ct current 1: For the whole current measurement range Clamp-On Ground Tester Model 6418...

  • Page 22: Power Supply

    Dimensions (L x W x H): 11.8 x 4.2 x 2.2” (300 x 106 x 56mm) Weight: approximately 2.6 lb (1.2kg) Clamping diameter: 1.26” (32mm) or a 1.18 x 1.57” (30 x 40mm) or 0.79 x 2.17” (20 x 55mm) bar Ingress protection: IP40 per IEC 60529 Clamp-On Ground Tester Model 6418...

  • Page 23: Compliance With International Standards

    3.7. COMPLIANCE WITH INTERNATIONAL STANDARDS The instrument is compliant with standard IEC 61010-1 and IEC 61010- 2-032, 100V category IV or 150V category III. 3.8. ELECTROMAGNETIC COMPATIBILITY (EMC) The instrument is compliant with standard IEC 61326-1. Clamp-On Ground Tester Model 6418...

  • Page 24: Maintenance

    Disconnect everything connected to the instrument and set the switch to OFF. Turn the instrument over and unscrew the 2 captive screws securing the battery compartment cover. Clamp-On Ground Tester Model 6418...
  • Page 25 Instrument date and time settings are saved for several minutes, long enough for you to change the batteries. If, however, the date and time are lost, the instrument will prompt you to reset them when it is turned ON (see §1.4). Clamp-On Ground Tester Model 6418...

  • Page 26: Limited Warranty

    LIMITED WARRANTY Your AEMC instrument 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 it was purchased. This warranty is void if the unit has been tampered with, abused, or if the defect is related to service not ®...
  • Page 27 NOTES: Clamp-On Ground Tester Model 6418...
  • Page 28 04/19 99-MAN 100482 V2 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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