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AEMC 4620
Catalog #: 2130.43
Ground Resistance Tester Model 4620 (Digital, 4-Point)

  • Overview
  • Specifications
  • Summary
  • Accessories

Product Highlights

  • Model 4620 Ground Resistance Tester (Digital, 4-Point)
  • Measures soil resistivity (4-Point) method
  • Measures ground resistance (2- and 3-Point) Fall-of-Potential method
  • Step voltage tests and touch potential measurements
  • Auto-Ranging: automatically selects the optimum range
  • Designed to reject high levels of noise interference
  • Extremely simple to operate: connect - press - read
  • LED on faceplate informs operator of high input noise, high auxiliary rod resistance and fault connections
  • AC powered with rechargeable NiMH batteries
  • Rugged, dustproof and rainproof field case
  • Can also be used for continuity tests on bonding
  • Color-coded terminals

Each Unit Includes

  • (1) Ground Resistance Tester (Model 4620)
  • (1) Usb stick supplied with ground tester workbook
  • (1) User manual
General Specifications
Model 4620 4630
Electrical
Ranges (Auto-Ranging 0 to 2000Ω): 20Ω
200Ω
2000Ω
Measurement: 0.00 to 19.99Ω 20.0 to 199.9Ω 200 to 1999Ω
Resolution: 10mΩ 100mΩ
Open Voltage: <42V peak <42V peak <42V peak
Resistance Measurement Frequency: 128Hz square wave
Test Current: 10mA 1mA 0.1mA
Accuracy: ±2% of Reading ± 1ct ±2% of Reading ± 1ct ±3% of Reading ± 3cts
Auxiliary Electrode Influence:
Max Res. in Current Circuit
Max Res. in Voltage Circuit

200Ω
2000Ω

30kΩ
50kΩ

50kΩ
50kΩ
Interference: Rejects high levels of interference voltage (DC, 50 to 60Hz, harmonics):
DC voltage in series with X: 20V; AC voltage in series with Y: 13V peak;
AC voltage in series with Z: 32V peak
Response Time: Approximately 6 seconds for a stabilized measurement
Withstanding Voltage: 250VAC with spikes of 3000VAC or 1000VDC
Power Source: (8) C cell batteries;
Alkaline recommended;
120/230V 50/600Hz
Rechargeable 9.6V, 3.5 Ah NiMH batteries
Battery Life: 1800 15-second measurements; LO BAT indication on LCD
Fuse Protection: 0.1A, 250V, 0.25 x 1.25"; 30kA Interrupt Capacity
Mechanical
Display: 31/2 digit, 0.71" (18mm) high; 2000-counts; electroluminescent blue backlight LCD also indicates overrange, test lead shorts and lead reversals
Connection: Color-coded terminals accept spade lugs with min. gap of 6mm or standard 4mm banana jacks
LED Indication: Three LEDs indicate high input noise, high auxiliary rod resistance, open leads, blown fuse
Operating Temperature: 14° to 131°F (-10° to 55°C), 20 to 90% RH
Storage Temperature: -40° to 158°F (-40° to 70°C), 10 to 90% RH with batteries removed
Dimensions: 9.45 x 7.28 x 4.33" (240 x 185 x 110mm)
Weight: 7.75 lbs (3.5kg)
Case: Heavy duty o-ring sealed field case
Mechanical Shock: IEC 68-2-27
Vibration Test: IEC 68-2-66
Drop Test: IEC 68-2-32
Dielectric Test: 3kV, 50/60Hz, 1 min. between four interconnected measuring terminals and any external metal ground
Environmental: O-ring sealed against dust and water to IP50 (Protection Index) when case is closed
Safety
Rating: EN 61010-1, Cat. III, Pollution Degree 2, 42V
CE Mark: Yes
Type 3 Pole, 4 Pole
Display (3 Pole Testers) Digital
Ground Resistance Range 2000 Ohms (2 K Ohms)
Operating Frequency 128 Hz
Accuracy 2% of Reading +/- 1ct
Measuring Current 10 mA
Measuring Voltage 42 V
Measuring Frequency 128 Hz
Soil Resistivity Yes
Stakeless Capability No
Power Supply Battery
CAT Rating III
Optional Ground Kit Included No
Auto Ranging No
Unique Features Battery Operated
Warranty 12 MONTHS (1 YEARS)
Calibration Included Factory Calibration
Power Supply Voltage Battery Powered
Safety Approval CE
Data Logging No
IP Rating IP65
Product Weight 6.28 LBS
Battery Type C
Product Height 5.0 IN
Product Length 10.8 IN
Product Width 9.7 IN
ECCN Number EAR99
HTS/Schedule B Number 9030330040
Country of Origin France
UPC 685338130133
MEMBER PRICE: INACTIVE
List price:   $1,039.21
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  • Catalog #: 2130.43 Ground Resistance Tester Model 4620 (Digital, 4-Point)

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