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AEMC 4620

Ground Resistance Test Set; Digital, 4-Point

Model

4620

Product Family

Electrical & Power Quality

Manufacturer

AEMC

Configured models contain the following attributes:

Electrical & Power QualityInsulation / Ground Testing

Configurations

Key Specs

Product Overview

Resources

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Product Overview

The Digital Ground Resistance Tester Model 4620 performs earth ground resistance and soil resistivity tests. This direct reading tester measures from 0 to 2000Ω, and is auto-ranging, so it automatically seeks outs the optimum measurement range. The Model 4620 is rugged, easy-to-use and is ideal for maintenance crews performing numerous tests. It exceeds mechanical and safety specifications for shock, vibration and drop tests specified in IEC standards. It is designed to reject high levels of interference, so it can be used under difficult conditions such as high stray currents that normally affect accuracy.

Specifications
Ground Resistance Tester Model 4620
Features	Parameters
Range (Auto-ranging)	0 to 2000Ω
Resolution	0.01 to 1Ω
Test Current	0.1 to 10mA
Accuracy Typical	±(2% Reading +1ct)
Open Voltage	42V peak
Withstanding Voltage	250V AC or 100V DC
Operating Frequency	128Hz square wave
Interference	Rejection to high levels of interference voltage (DC, 50/60Hz, harmonics)
Maximum Auxiliary Rod Resistance	Current Circuit: 3kΩ @ 20Ω range 30kΩ @ 200Ω range 50kΩ @ 2000Ω range Voltage Circuit: 50kΩ on all ranges
Response Time	4 to 8 seconds for a stabilized measurement
Display	200 counts, 7 segment LCD, backlight
Power Source	8 x 1.5V C alkaline batteries
Battery Life	4500 15-seconds tests, low battery indicator
Dimensions	10.8 x 9.7 x 5.0” (273 x 247 x 127mm)
Weight (with Battery)	6.28 lbs (2.85kg)
Operating Temperature	14° to 131°F (-10° to 55°C)
Storage Temperature	-40° to 158°F (-40° to 70°C)
Relative Humidity	Up to 90%
Ingress Protection (IP)	IP 65 (closed) IP 63 (open)
EMC	EN 61326-1
Safety Compliance	EN 61557, EN 61010-1, 30V CAT III, Pollution Degree 2, CE

Specifications
Model Overview
Model	Cat. No	Description
4620	2130.43	Ground Resistance Tester Model 4620
4620 Kit-150ft	2135.19	Ground Resistance Tester Model 4620 Kit-150ft
4620 Kit-300ft	2135.2	Ground Resistance Tester Model 4620 Kit-300ft
4620 Kit-500ft	2135.21	Ground Resistance Tester Model 4620 Kit-500ft

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