AEMC 6416 User Manual
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AEMC 6416 User Manual

Clamp-on ground resistance tester
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Summary of Contents for AEMC 6416

  • Page 1 1.800.561.8187 information@itm.com www. .com...
  • Page 2 PRODUCT PACKAGING Shipping Contents: (1) Clamp-on Ground Tester Hard Accessory Case Model 6416 Cat. #2141.50 Cat. #2141.01 5W Calibration Loop Cat. #2141.51 Also Included: (4) 1.5V AA Batteries (1) Wrist Strap (1) Safety Sheet (20 languages) 1.800.561.8187 information@itm.com www. .com...
  • Page 3 Statement of Compliance Chauvin Arnoux , Inc. d.b.a. AEMC Instruments ® ® certifies that this instrument has been calibrated using standards and instruments traceable to international standards. We guarantee that at the time of shipping your instrument has met its published specifications.
  • Page 4 Thank you for purchasing an AEMC Clamp-on Ground Resistance Tester. 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 ■ 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 1.800.561.8187 information@itm.com www.

  • Page 6: Table Of Contents

    5.6 Standard and Advanced Modes............23 5.7 Memory ....................23 5.7.1 Memory Capacity..............23 5.7.2 Storing Measurements into Memory........24 5.7.3 Reading Stored Data ..............24 5.7.4 Erasing the Memory ...............24 5.7.5 Using the ▲ and ▼ Buttons ...........24 Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...
  • Page 7 7.5 Safety....................37 8. MAINTENANCE ....................38 8.1 Cleaning....................38 8.2 Battery Replacement ................38 8.3 Repair and Calibration ................39 8.4 Technical and Sales Assistance ............39 8.5 Limited Warranty .................40 8.6 Warranty Repairs ................40 Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 8: Introduction

    Save the damaged packing container to substantiate your claim. 1.2 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, 600V CAT IV safety standards 2.3 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 1.800.561.8187 information@itm.com www. .com...

  • Page 11: Display

    2.4 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. Figure 2-1 Item Description Indicates selection of Advanced mode.
  • Page 12 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 1.800.561.8187 information@itm.com www.

  • Page 13: 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 1.800.561.8187 information@itm.com www. .com...

  • Page 14: Audible Signals

    Simultaneous selection of the loop impedance measurement and the leakage Ω+A current measurement. Current measurement selection. Displays stored measurements. SET-UP Access to the instrument configuration and deletion of stored measurements. Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 15: Button Functions

    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 1.800.561.8187 information@itm.com www.

  • Page 16: Principle Of Operation

    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 Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www.
  • Page 17 Figure 3-2 Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 18: Set-Up

    The 12 accessible menus are clearly identifi ed 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 1.800.561.8187 information@itm.com www. .com...

  • Page 19: Selecting A Specific Menu

    ■ 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 1.800.561.8187 information@itm.com www. .com...
  • Page 20 ■ 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 1.800.561.8187 information@itm.com www. .com...
  • Page 21 ■ Press ▲ or ▼ to select the transposition frequency of 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 1.800.561.8187 information@itm.com www.

  • Page 22: Calibration Loop

    4.8Ω and 5.2Ω. If not, clean the instrument and repeat the measurement. If you are still unable to obtain a measurement between 4.8Ω and 5.2Ω, contact AEMC. Figure 4-2 Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187...

  • Page 23: Operation

    NOTE: If time-stamping is not needed, this operation can be skipped by pressing ► 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 1.800.561.8187 information@itm.com www. .com...

  • Page 24: 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 1.800.561.8187 information@itm.com www.

  • Page 25: Turning The Instrument Off

    5.7 Memory 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 26: Storing Measurements Into Memory

    It is possible to scroll past the oldest recorded value to the most recent, or past the most recent recorded value to the oldest. Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www.

  • Page 27: Alarm Management

    An audible signal is emitted at values exceeding the threshold (detection of a grounding impedance that is too high). Figure 5-6 If the impedance crosses the selected threshold, a low-pitched audible signal is emitted. Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 28: No 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 1.800.561.8187 information@itm.com www.

  • Page 29: Measurement Modes

    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 1.800.561.8187 information@itm.com www.

  • Page 30: Advanced Mode

    ■ 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 1.800.561.8187 information@itm.com www. .com...
  • Page 31 R=Z is displayed, and only the impedance is displayed; the inductance is replaced by dashes. * R > 25W or R[W] / L[H] > 10 Figure 6-4 Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 32: General Information

    - The impedance is replaced by - - - - Figure 6-8 CURRENT GREATER THAN 40A If the current is greater than 40A: - The current display indicates O.R (Over Range). Figure 6-9 Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 33: 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). Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www.
  • Page 34 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 1.800.561.8187 information@itm.com www. .com...
  • Page 35 - 15:39: 1539 hours - Press ► to return to the fi rst screen. - To exit from the MR mode, set the rotary switch to the desired mode. Figure 6-17 Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 36: Specifications

    ±3% ±1W 200 to 395W ±5% ±5W 400 to 590W ±10% ±10W 600 to 1150W 20% approx 1200 to 1500W 25% approx Alarm: range of threshold from 1 to 199W. Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 37: Loop Inductance Measurement

    ±2% ±100µA 30.0 to 99.9mA 100.0 to 299.0mA ±2% ±1mA 0.300 to 0.990A 1.000 to 2.990A 10mA ±2% ±10mA 3.00 to 39.99A Alarm: Range of thresholds from 1mA to 40A. Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 38: Power Supply

    Jaw Opening: 1.38" (35mm) max Dimensions: 2.16 x 3.74 x 10.31" (55 x 95 x 262mm) Weight: 2.06 lbs (935g) approx. with batteries Environmental: IP40, group III equipment Drop Test: According to IEC-61010-1 Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 39: Safety

    Cert. to CSA Std. C22.2#61010-2-032 5003266 Insulation class: 2 Pollution degree: 2 Overvoltage category: 600V CAT IV ■ Emissions and immunity in an industrial setting compliant with IEC 61326-1 �������������������������� Clamp-on Ground Resistance Tester Model 6416 1.800.561.8187 information@itm.com www. .com...

  • Page 40: Maintenance

    ■ Never use alcohol, solvents or hydrocarbons. 8.2 Battery Replacement The Model 6416 is powered by four 1.5V batteries. The battery replacement indicator will blink when battery voltage is low and will display continuously when battery replacement is required.

  • Page 41: Repair And Calibration

    08/18 99-MAN 100398 v9 1.800.561.8187 information@itm.com www. .com...

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