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AEMC instruments 6416 User Manual

Clamp-on ground tester
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User Manual
ENGLISH
6416
CLAMP-ON GROUND TESTER
WITH AEMC
INSTRUMENTS
®

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Summary of Contents for AEMC instruments 6416

  • Page 1 User Manual ENGLISH 6416 CLAMP-ON GROUND TESTER WITH AEMC INSTRUMENTS ®...
  • 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 For recalibration, please use our calibration services. Refer to our repair and calibration section at www.aemc.com. Serial #: Catalog #: 2141.01 Model #: 6416 Please fill in the appropriate date as indicated: Date Received: Date Calibration Due: Chauvin Arnoux , Inc. ®...

  • Page 4: Table Of Contents

    5.7.4 ERASING THE MEMORY ............27 5.7.5 USING THE ▲ AND ▼ BUTTONS ..........27 5.8 ALARM MANAGEMENT ............... 27 5.8.1 VOLTAGE ALARM ..............28 5.8.2 CURRENT ALARM ..............28 5.8.3 IMPEDANCE ALARM ..............28 Clamp-on Ground Resistance Tester Model 6416...
  • Page 5 8. MAINTENANCE ................. 42 8.1 CLEANING .................... 42 8.2 BATTERY REPLACEMENT ..............42 8.3 REPAIR AND CALIBRATION ............... 43 8.4 TECHNICAL ASSISTANCE ..............43 8.5 LIMITED WARRANTY ................44 8.6 WARRANTY REPAIRS ................. 44 Clamp-on Ground Resistance Tester Model 6416...

  • 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. Clamp-on Ground Resistance Tester Model 6416...

  • Page 7: Precautions For Use

    ■ Use extreme caution when using the instrument around energized electrical equipment. ■ Never attempt to use the instrument to twist or pry the ground electrode or ground wire away from the equipment being grounded. Clamp-on Ground Resistance Tester Model 6416...

  • Page 8: Receiving Your Shipment

    Save the damaged packing container to substantiate your claim. ORDERING INFORMATION Clamp-on Ground Resistance Tester Model 6416 ....... Cat. #2141.01 Includes a hard carrying case, calibration loop, four 1.5V AA batteries and a user manual.

  • Page 9: Product Features

    The Buzzer and Auto Power OFF features can be disabled at any time. The Model 6416 is equipped with an alarm function and data storage function. In the Alarm mode, the probe will audibly and visually indicate when the reading is beyond an input set point.

  • Page 10: Features

    ■ Designed to EN 61010-1, 600 V CAT IV safety standards APPLICATIONS ■ Ground electrode system resistance ■ Bonding/continuity checks ■ Cell tower grounding verification ■ Ground measurements on Railroad signaling systems Clamp-on Ground Resistance Tester Model 6416...

  • Page 11: Display

    DISPLAY The Model 6416 is equipped with a 152-segment OLED (organic light-emitting diode) display. This OLED technology results in a thinner, lighter, sharper, higher contrast display compared to LCD displays. Item Description Indicates selection of Advanced mode. In Advanced mode, this indicates when the inductive component is negligible with respect to the resistive component.
  • Page 12 Continuous operation of the clamp (Auto Power OFF disabled). Selection of Auto Power OFF mode is made in SET-UP (see § 4.4, menu #3). Clamp-on Ground Resistance Tester Model 6416...
  • Page 13 AUTO-HOLD mode. Display of the buzzer’s active state; the icon is not shown when the buzzer is inactive. Selection of the buzzer operating mode is made in SET-UP (see § 4.4, menu #2). Clamp-on Ground Resistance Tester Model 6416...

  • Page 14: Control Features

    MEM: Stores measurements into memory ►: Navigates and validates measurement displays OLED Display: Crisp, clean and bright display Rotary Switch: Selects measurement functions and instrument SET-UP HOLD: Freezes last measured value on the display Clamp-on Ground Resistance Tester Model 6416...

  • Page 15: Audible Signals

    Instrument is powered OFF. Simultaneous selection of the loop impedance measurement Ω+A and the leakage current measurement. Current measurement selection. Displays stored measurements. Access to the instrument configuration and deletion of stored SET-UP measurements. Clamp-on Ground Resistance Tester Model 6416...

  • Page 16: Buttons Fuctions

    The benefit of this function is that it makes it easy to freeze the measurement with one hand, when access to the HOLD button is difficult. If the HOLD button is not pressed during this time, closing the clamp automatically exits the AUTO-HOLD mode. Clamp-on Ground Resistance Tester Model 6416...

  • Page 17: Principle Of Operation

    100 electrodes or 0.2 Ω. The displayed value would be 25.2 Ω (instrument resolution to 0.1 Ω). V/I = 25 Ω + 0.25 Ω Rx = 25.2 Ω Clamp-on Ground Resistance Tester Model 6416...
  • Page 18 In most field applications, the number of electrodes that make up a multi- grounded system would be higher; therefore, the equivalent parallel resistance is negligible with respect to the rod under test. Figure 3-1 Figure 3-2 Clamp-on Ground Resistance Tester Model 6416...

  • Page 19: Set Up

    SET-UP MENU DISPLAYS The 12 accessible menus are clearly identified by their title and number, as shown in the example in Figure 4-1 (menu #5) which displays the voltage alarm threshold adjustment (AL. V). Figure 4-1 Clamp-on Ground Resistance Tester Model 6416...

  • Page 20: Selecting A Specific Menu

    ■ Enter the menu by ►. StOP blinks. ■ Press ▲ or ▼. StOP ■ Auto Power OFF is deactivated when the icon is visible and activated when it is hidden. ■ Return to the previous menu by ►. Clamp-on Ground Resistance Tester Model 6416...
  • Page 21 ■ Validate by ►. Setting the Alarm Value. ■ Press ▲ or ▼ to select the current alarm threshold (Figure 2-1, item #11). ■ Validate and return to the previous menu by ►. Clamp-on Ground Resistance Tester Model 6416...
  • Page 22 ■ Press ▲ or ▼ to select the transposition frequency of FrEQ the measured impedance from among the four possible values: 50, 60, 128, and 2083 Hz. ■ Validate and return to the previous menu by ►. Clamp-on Ground Resistance Tester Model 6416...

  • Page 23: Calibration Loop

    4.8 Ω and 5.2 Ω. If not, clean the instrument and repeat the measurement. If you are still unable to obtain a measurement between 4.8 Ω and 5.2 Ω, contact AEMC Instruments. ® Figure 4-2 Clamp-on Ground Resistance Tester Model 6416...

  • Page 24: Operation

    § 4.4, menu #7 & #8). NOTE: If time-stamping is not needed, this operation can be skipped by pressing the ► button until the measurement screen corresponding to the switch setting (Ω+A, A, MR or SET-UP) is displayed. Clamp-on Ground Resistance Tester Model 6416...

  • Page 25: Display Example

    OFF, disconnect it from any conductor and make sure the sensor heads are clean with no obstructions, then turn it back ON. When this adjustment is done, the clamp displays the screen corresponding to the switch setting. Clamp-on Ground Resistance Tester Model 6416...

  • Page 26: Turning The Instrument Off

    5.7.1 Memory Capacity The Model 6416 can store up to 300 measurements. When its memory is full, the sequence number is replaced by FULL. The next time the MEM button is pressed, a beep is emitted and the FULL indication blinks. You will need to erase the entire memory before recording again (see §...

  • Page 27: Reading Stored Data

    ALARM MANAGEMENT The device has three distinct alarms that can be configured. NOTE: The (Ω, V, A) alarm thresholds can be configured in SET-UP (see §4.4). Clamp-on Ground Resistance Tester Model 6416...

  • Page 28: Voltage Alarm

    An audible signal is emitted at Figure 5-6 values exceeding the threshold (detection of a grounding impedance that is too high). If the impedance crosses the selected threshold, a low-pitched audible signal is emitted. Clamp-on Ground Resistance Tester Model 6416...

  • Page 29: Alarm Detection

    ■ The voltage alarm has priority because it concerns the user’s safety. ■ The current alarm is second in priority. ■ The impedance alarm is displayed when no other alarm is triggered. Clamp-on Ground Resistance Tester Model 6416...

  • Page 30: Measurement Modes

    NOTE: If the measured impedance is less than 1 Ω, the display alternates between the value measured and the word LOOP. This calls the user’s attention to the possibility that the measurement is likely the resistance through a local metal path rather than through earth. Clamp-on Ground Resistance Tester Model 6416...

  • Page 31: Measurement Results

    Clamp around the conductor to be measured. If the clamp is incorrectly closed, the icon is displayed. ■ If necessary, use the HOLD button to freeze the measurement. ■ If necessary, use the MEM button to store the measurement. Clamp-on Ground Resistance Tester Model 6416...

  • Page 32: Measurement Results

    R=Z is displayed, and only the impedance is displayed; the inductance is replaced by Figure 6-4 dashes. * R > 25 Ω or R[Ω] / L[H] > 10 Clamp-on Ground Resistance Tester Model 6416...

  • Page 33: General Information

    Figure 6-7 CURRENT GREATER THAN 10 A If the current is greater than 10 A: ■ The blinking NOISE symbol is displayed. - - - - ■ The impedance is replaced by Figure 6-8 Clamp-on Ground Resistance Tester Model 6416...

  • Page 34: Rotary Position (A)

    ■ Set the function switch to the MR position. ■ The type of data that is displayed is dependent on whether Standard or Advanced mode was selected during SET-UP (see § 4.4, menu #9).Data Clamp-on Ground Resistance Tester Model 6416...

  • Page 35: Displayed In Standard Mode

    Figure 6-12 illustrates a current measurement (A setting). Figure 6-12 Press ► to display the measurement storage date/time screen. To exit from the MR mode, set the rotary switch to the desired mode. Figure 6-13 Clamp-on Ground Resistance Tester Model 6416...

  • Page 36: Data Displayed In Advanced Mode

    Press ► to display the next screen. Figure 6-15 Third Screen: ■ Figure 6-16 illustrates a resistance and impedance measurement (switch set to Ω+A). ■ Press ► to display the next screen. Figure 6-16 Clamp-on Ground Resistance Tester Model 6416...
  • Page 37 ■ 12.30: December 30 ■ 15:39: 1539 hours ■ Press ► to return to the first screen. ■ To exit from the MR mode, set the Figure 6-17 rotary switch to the desired mode. Clamp-on Ground Resistance Tester Model 6416...

  • Page 38: Specifications

    ±10 % ±10 Ω 600 Ω to 1150 Ω 50 Ω 20 % approximately 1200 Ω to 1500 Ω 50 Ω 25 % approximately Ω Ω Alarm: range of threshold from 1 to 199 Clamp-on Ground Resistance Tester Model 6416...

  • Page 39: Loop Inductance Measurement

    0.300 A to 0.990 A 1 mA ±2 % ±1 mA 1.000 A to 2.990 A 3.00 A to 39.99 A 10 mA ±2 % ±10 mA Alarm: Range of thresholds from 1 mA to 40 A. Clamp-on Ground Resistance Tester Model 6416...

  • Page 40: Power Supply

    8 P+r at 50/60 Hz I<50 V (1): Ω designates the quantities R, L, and Z. (2): Offset on the current measurement. (3): “P” = Accuracy at reference condition; “r” = 1ct on display resolution. Clamp-on Ground Resistance Tester Model 6416...

  • Page 41: Mechanical

    Cert. to CSA Std. C22.2#61010-2-032 5003266 Insulation class: 2 Pollution degree: 2 Overvoltage category: 600 V CAT IV ■ Emissions and immunity in an industrial setting compliant with IEC 61326-1 Specifications are subject to change without notice. Clamp-on Ground Resistance Tester Model 6416...

  • Page 42: Maintenance

    ■ Never use alcohol, solvents or hydrocarbons. BATTERY REPLACEMENT The Model 6416 is powered by four 1.5 V batteries. The battery replacement indicator will blink when battery voltage is low and will display continuously when battery replacement is required. ■ The instrument must be OFF and disconnected from any conductor.

  • Page 43: 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 Clamp-on Ground Resistance Tester Model 6416...

  • Page 44: Limited Warranty

    Phone: (800) 945-2362 (Ext. 360) / (603) 749-6434 (Ext. 360) Fax: (603) 742-2346 or (603) 749-6309 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. Clamp-on Ground Resistance Tester Model 6416...
  • Page 45 NOTES: Clamp-on Ground Resistance Tester Model 6416...
  • Page 46 NOTES: Clamp-on Ground Resistance Tester Model 6416...
  • Page 47 NOTES: Clamp-on Ground Resistance Tester Model 6416...
  • Page 48 10/22 99-MAN 100398 v12 AEMC Instruments ® 15 Faraday Drive • Dover, NH 03820 USA Phone: (603) 749-6434 • (800) 343-1391 • Fax: (603) 742-2346 www.aemc.com © Chauvin Arnoux, Inc. d.b.a. AEMC Instruments. All Rights Reserved.

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