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AEMC 6472 Multi-Function Ground Resistance Tester Kit - 300ft

Model: 6472 Kit-300ft

AEMC 6472 ground resistance tester with two 300 ft color-coded leads on spools, two 100 ft color-coded leads,two 5 ft color-coded leads, four 14.5" T-shaped auxiliary ground electrodes, one set of five spaded lugs, 100 ft tape measure and carrying bag

$4,295.00 USD

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The AEMC 6472 Multi-Function Digital Ground Resistance Tester is a portable measurement instrument designed to measure Bond Resistance, Ground Resistance (with and without clamps), Soil Resistivity, Earth Coupling, Step & Touch Potential.

The AEMC 6472 measures from 0.01 to 99.99kΩ and is auto-ranging, automatically seeking out the optimum measurement range, test frequency and test current. The adjustable test frequency (either manual or automatic) from 40 to 5078Hz test voltage provides rejection of high levels of interference, allowing it to be used under difficult conditions such as the presence of high stray currents that normally affect accuracy.Up to 512 test results can be stored in internal memory for later recall to the display or downloaded to a PC using DataView® software (included) for Automatic Report Generation, Automatic Fall-of-Potential Plot Generation, Frequency/Resistance Plots and much more.


Applications

  • 3-Point measurements of resistance to ground of ground rods and grids. 3-Point measurements are used when electrode or grid can be easily disconnected.
  • 4-Point tests or soil resistivity measurements. Locating areas of lowest soil resistivity is essential for achieving an economical grounding installation.
  • Touch and step potential testing measurements. These tests are recommended when the ground cannot be disconnected, where ground faults are highly likely to occur, or when the "footprint" of grounded equipment (the outline of the part of equipment in contact with earth) is comparable to the size of the ground to be tested.
  • 2- or 4-Wire tests for continuity tests on bonding or on grounding systems. Test is a DC resistive test using 250mA or more and is used to check bonding of all connection points on the ground system.
  • Earth coupling measurement and display. Used to estimate the influence of two earth resistance systems that are not connected to each other.

Key Features

  • 4-Pole (4-Point) Fall-of-Potential measurement for very low resistance measurements with manual or automatic frequency selection and automatic lead compensation
  • 3-Point Fall-of-Potential measurement
  • 3-Point earth coupling measurement
  • Manual or automatic frequency scan from 40 to 513Hz for test accuracy in electrically noisy environments
  • Earth coupling testing
  • Selectable test voltage 16 or 32V up to 250mA test current
  • 4-Point soil resistivity measurement with automatic calculation of Rho and user selection of Wenner or Schlumberger test method
  • 2- and 4-Wire DC resistance measurement (Bond testing) with automatic polarity reversal
  • Ground Resistance with 2 clamps (no auxiliary rods)
  • Ground Resistance of Pylons with the GroundFlex® Adapter Model 6474 and GroundFlex® sensors allow the system to measure leakage current and ground resistance of tower legs without disconnecting the overhead ground conductor.
  • Includes DataView® software for data storage, real-time display, analysis, report generation and system configuration
  • Auto-off power management
  • Automatic recognition of all electrode connections and their resistance value
  • Stores up to 512 complete test results in internal memory
  • Optically isolated USB communication
  • Rechargeable NiMH batteries from wall charger or vehicle power
  • Rugged dustproof and rainproof field

Specifications

ELECTRICAL
3-Pole Measurement
Range (Auto-Ranging) 0.09Ω to 99.9kΩ
Resolution 0.01Ω to 100Ω
Test Voltage / Current Nominal 16 or 32VRMS user selectable; Up to 250mA
Resistance Measurement Frequency 41 to 5078Hz user selectable or automatic selection
Accuracy ±2% of Reading + 1ct @ 128Hz
Earth Coupling Measurement Yes
4-Pole Measurement
Range (Auto-Ranging) 0.001 to 99.99kΩ
Resolution 0.001 to 10Ω
Test Voltage 16 or 32V user selectable
Resistance Measurement Frequency From 41 to 5078Hz selectable
Accuracy ±2% of Reading + 1cts @ 128Hz
NOTE 4-Pole Measurement with 1 Clamp SR182 (same specification as the 4-Pole measurement) 4-Pole Measurement with 1 Clamp MN182 (same specification as the 4-Pole measurement + 5%)
2 Clamp Measurement
Range (Auto-Ranging) 0.01 to 500Ω
Resolution 0.01 to 1Ω
Frequency 128Hz, 1367Hz, 1611Hz, 1758Hz
Accuracy with SR182 ±10% of Reading + 1cts
Accuracy with MN182 ±20% of Reading + 2cts
Soil Resistivity 4-Pole Measurement
Test Method Wenner or Schlumberger selectable with automatic calculation of test results in Ω-meters, Ω-cm or Ω-feet
Range (Auto-Ranging) 0.01 to 99.99kΩ; P Max: 999kΩm (display in kΩft is not possible)
Resolution 0.01 to 100Ω
Test Voltage 16 or 32V user selectable
Frequency From 41 to 128Hz selectable
Accuracy ±2% of Reading + 1cts
Earth Potential Measurement
Range (Auto-Ranging) 0.01mV to 65V
Resolution 0.01 to 10mV
Accuracy ±2% of Reading + 1ct @ 128Hz
Frequency From 41 to 128Hz selectable
Accuracy 2% of Reading + 1cts
External Voltage Measurement
Range (Auto-Ranging) 0.1 to 65.0VAC/DC – DC to 440Hz
Accuracy ±2% of Reading + 1cts
Input Impedance 1.2MΩ
External Current Measurement
Range (Auto-Ranging) with SR182 0.01 to 40.0A – 16 to 400Hz
Accuracy @ 50 to 99Hz ±5% of Reading + 2cts from 0.01 to 100mA; ±10% + 2cts from 0.1 to 40A
Range (Auto-Ranging) with MN182 0.01 to 9.99A – 16 to 400Hz
Accuracy @ 50 to 99Hz ±7% of Reading + 2cts from 0.01 to 100mA; ±15% + 2ctsfrom 0.1 to 10A
Resistance Measurement (Bond Testing) IEC 61557/4
Measurement Type 2-Pole (with lead resistance compensation) or 4-Pole (Kelvin sensing) user selectable
Range (Auto-Ranging) 2-Pole 0.01Ω to 99.9kΩ; 4-Pole 0.001Ω to 99.99kΩ
Accuracy ±2% of Reading + 2cts
Test Voltage / Current 16Vdcdc (+, - or auto polarity); Up to 250mA max
Data Storage
Memory Capacity 512 test results
Communication Optically Isolated USB
Automatic Report Generation Yes — Tabular listings, Fall-of-Potential plots and Frequency/Resistance plots
Power Source 9.6V rechargeable battery pack
Recharging Source 110/220 50/60Hz external charger with 18Vdcdc, 1.9A output or 12V vehicle power
MECHANICAL
Test Lead Connection 4mm recessed banana jacks
Mechanical Shock Per EN 61557
Vibration Test Per EN 61557
Drop Test Per EN 61557
Dielectric Test 3kV 50/60Hz
Dimensions 10.7 x 9.76 x 5.12" (272 x 248 x 130mm)
Weight 7.5 lbs (3.5kg)
Case Polypropylene
Index of Protection IP53 with cover closed
DISPLAY
Display Type Custom 256 segment multi-line LCD
Backlight Blue electroluminescent
COMMUNICATION
Software DataView graphing, analysis and reporting software
ENVIRONMENTAL
Operating Temperature 14° to 122°F (-10° to 55°C)
Storage Temperature -40° to 158°F (-40° to 70°C)
SAFETY
Safety Rating EN61010-1 50V Cat IV, Pollution Degree 2
Double Insulation Yes
CE Mark Yes

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