6470 KIT-300FT AEMC, 6470 KIT-300FT Datasheet - Page 2

• Manufacturer Part Number: 6470 KIT-300FT
• Description: RESISTANCE TEST KIT, 2/4 WIRE, 99.99KOHM
• Manufacturer: AEMC

Specifications of 6470 KIT-300FT

• Wire Connection: 2-Wire, 4-Wire
• Resistance Measuring Range: 2-point 0.01 To 99.9 Kohms
• 4-point 0.001 To 99.99 Kohms: Resolution (ohm)
• Test Current: 250mA
• Lead Free Status / RoHS Status: na

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Model 6470-B quickly checks ground rod resistance with its Connect - Press - Read approach
The Digital Ground Resistance Tester Model 6470-B is a portable
measurement instrument designed to measure Ground Resistance, Soil
Resistivity (two methods – Wenner and Schlumberger), Bonding Resistance
(DC Resistance 2-Wire and 4-Wire Kelvin sensing) and Earth Coupling
resistance. This direct reading tester measures from 0.01 to 99.99kΩ and is
auto-ranging, automatically seeking out the optimum measurement range and
test current.
Easy-to-use – simply connect the leads, select the test mode, press Start and
read the results. Up to 512 test results can be stored in internal memory for
later recall to the display or downloaded to a PC via DataView
The large LCD is easy-to-read and indicates ground electrode resistance,
test voltage, current and frequency as well as individual electrode resistance,
battery status and more.
The Model 6470-B is Cat IV rated to 50V and is over voltage protected to
more than 250VAC against accidental connection to live circuits. The voltage
is also displayed on screen. In the event of a system fault, the Model 6470-B
can withstand 250VAC.
Additional features of the Model 6470-B include a heavy-duty field case
sealed against dust and water when closed (the test button is also sealed
against the elements); manual and automatic test frequency selection from 40
to 513Hz; user selectable 3-Pole (3-Point) Fall of Potential or 4-Pole (4-Point)
Soil Resistivity test methods and user selectable 2-Wire or 4-Wire Bond
Resistance test method.
The Model 6470-B is powered by 9.6V, 3.5 Ah NiMH rechargeable batteries.
An external recharger powered from 120/230V 50/60Hz is included and
provides for testing while recharging. The Model 6470-B can also be vehicle
powered from an optional 12V battery adapter.
The Ground Resistance Tester Model 6470-B is rugged, easy-to-use
and ideal for maintenance crews performing numerous tests. It exceeds
mechanical and safety specifications for shock, vibration and drop tests per
IEC standards. The adjustable test frequency provides for rejection of high
levels of interference, allowing it to be used under difficult conditions such as
high stray currents that normally affect accuracy.
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applications
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2- and 4-Wire Bond Resistance/Continuity
Measurement (DC Resistance) with automatic
polarity reversal
3-Pole (3-Point) Fall-of-Potential measurement
with manual or automatic frequency selection
4-Pole (4-Point) Fall-of-Potential measurement
for very low resistance measurements with
manual and automatic frequency selection and
automatic lead compensation
4-Pole (4-Point) Soil Resistivity measurement
with automatic calculation of Rho (r) and user
selection of the Wenner or Schlumberger test
method
3-Pole (3-Point) Earth Coupling measurement
Manual and automatic frequency scan from
40 to 513Hz for optimum test accuracy in
electrically noisy environments
Selectable test voltage of 16 or 32V up to
250mA of test current
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
Remote set up and operation of all
measurements using DataView
supplied
Automatic report generation
Rechargeable NiMH batteries from wall charger
or vehicle power
Rugged dustproof and rainproof field case –
IP54 rated in closed position
Grounding standards IEC 61557 parts 4 and 5
compliant
Includes DataView
real-time display, analysis, report generation and
system configuration
3-Point measurements of resistance to
ground of ground rods and grids. 3-Point
measurements are generally used when the
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 the 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.
This 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.
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