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AEMC 4630 2135.22 4-Point Ground Resistance Tester Kit 150 Ft Meter
 
Product Information

4630 Datasheet 4630 Datasheet
  4630 Users Manual 4630 Users Manual
  Ground Resistance Calculator Ground Resistance Calculator
  Ground Resistance Testing Ground Resistance Testing
  Fall of Potential vs. Clamp On Fall of Potential vs. Clamp On
  Soil Resistivity Soil Resistivity
  Ground Comparison Chart Ground Comparison Chart

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$2,149.67
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NIST Calibration NIST Calibration [+$105.00]
Accessories 25 Ohm calibration checker [+$54.88]
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AEMC 4630 2135.22 4-Point Ground Resistance Tester Kit 150 Ft

The 4630 4-Point Ground Resistance Tester performs soil resistivity and ground resistance tests, and is powered by 9.6 Volt 3.5 Ah NiMH rechargeable batteries.

 

The rugged 4630 measures from 0 to 2000 Ohms, is auto ranging so it automatically finds the best measurement range, and is easy to use which makes it ideal for maintenance crews performing numerous tests. It exceeds safety and mechanical specifications for drop tests, vibration, and shock as specified in the IEC standards. The 4630 is engineered to reject very high levels of interference, making it ideal for use under harsh conditions such as high stray currents that adversely affect accuracy.

 

4630 Features

  • Measures soil resistivity with the 4-Point testing method
  • Measures ground resistance with the 2-Point, 3-Point, and Fall of Potential method
  • Step voltage tests
  • Touch potential measurements
  • Auto Ranging
  • Designed to reject high levels of noise interference
  • Very easy to operate just connect, press, and read
  • LED in faceplate alerts the user of fault connections, high auxiliary rod resistance, and high input noise
  • AC powered with rechargeable NiMH batteries
  • Rugged rainproof and dustproof field case
  • Continuity tests on bonding
  • Color coded terminals
4630 2135.22 Kit Includes
  • 2 - 150 foot red and blue color coded leads on spools
  • 30 foot green test lead
  • 2 - 14.5 inch T shaped auxiliary ground electrode
  • Set of 5 spaded lug
  • 100 foot tape measure
  • Carrying bag
 
Applications
 

The 4630 can be used for the following tests:

  • 3-point measurements of resistance to ground of grids and ground rods. 3-Point measurements are usually utilized when the grid or electrode can easily be disconnected, if there is suspected corrosion, or circumstances where ground faults are unlikely to occur.
  • Soil resistivity measurements or 4-Point tests. Finding areas of lowest soil resistivity is necessary to achieve a feasible grounding installation solution.
  • 4-point tests
  • Soil resistivity measurements.
  • Touch potential measurements (an alternative to 3-point tests in evaluating electrical safety). This test is preferred when the ground cannot be disconnected, where ground faults are very likely to occur, or when the "footprint" of grounded equipment is comparable to the size of the ground to be tested.

Specifications
Measurement Range
Range 20 / 200 / 2000 Watts
Measurement Range 0.00 to 19.99 Watts / 20.0 to 199.9 Watts / 200 to 1999 Watts
Resolution 10mW / 100mW / 1W
Test Current 10 / 1 / 0.1 mA
Accuracy ±2 percent of Reading ± 1ct / ±3 percent of Reading ± 3cts
Auxiliary Electrode Influence
Current Circuit: 200 Watts; Voltage Circuit: 2000 Watts / Current Circuit: 30 kW
Voltage Circuit: 50 kW / Current Circuit: 50 kW; Voltage Circuit: 50 kW
Open Voltage <42 Volts peak
Resistance Measurement Frequency 128 Hertz square wave
Interference
Rejects high levels of interference voltage (DC, 50 to 60 Hertz, harmonics): DC voltage in series with X: 20 Volts;
AC voltage in series with Y: 13 Volts peak; AC voltage in series with Z: 32 Volts peak
Response Time Approximately 6 seconds for a stabilized measurement
Voltage Withstand 250 Volts AC with spikes of 3000 Volts AC or 1000 Volts DC
Power Source 8 C cell batteries
Battery Life 1800 15 second measurements
Fuse Protection 0.1 Amp, 250 volts, 0.25 X 1.25 inch; 30 kA Interrupt Capacity
Mechanical Specifications
Display
3-1/2, 0.71 inch (18 millimeters) high; 2000-count; electroluminescent blue backlight - LCD also indicates overrange,
 test lead shorts and lead reversals
Connection Color coded terminals accept lugs with min. gap of 6 millimeters or standard 4 millimeter banana jacks
LED Indication 3 LEDs indicate high input noise, high auxiliary rod resistance, open leads, blown fuse
Operating Temperature 14 to 131 degrees F (-10 to 55 degrees C), 20 to 90 percent RH
Storage Temperature -40 to 158 degrees F (-40 to 70 degrees C), 0 to 90 percent RH with batteries removed
Dimensions
9.45 x 7.28 x 4.33 inches
240 x 185 x 110 millimeters
Weight 7.75 pounds (3.5 kg)
Case Heavy duty o-ring sealed field case
Colors Case: safety yellow; Front panel: gray
Mechanical Shock IEC 68-2-27
Vibration Test IEC 68-2-6
Drop Test IEC 68-2-32
Dielectric Test 3 kV, 50/60 Hertz, 1 minute between four interconnected measuring terminals and any external metal ground
Environmental O-ring sealed against dust and water to IP50
Safety Reference Specifications
Safety Ratings EN 61010-1, Cat. III, Pollution Degree 2, 42 Volts
Agency Approvals CE Mark
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