AEMC 4620 Ground Resistance Tester
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AEMC 4620 is an auto-ranging ground resistance tester measuring 0-2000Ω with 10mA test current, ideal for field maintenance and soil resistivity measurements with high interference rejection.
Product details
| Model | 2130.43 |
| Manufacturer | AEMC |
| Category | Ground Resistance Testers |
| Availability | Made to order |
Description
Overview
The AEMC 4620 is a portable direct-reading ground resistance tester designed for earth ground and soil resistivity measurements. With auto-ranging capability measuring 0 to 2000Ω, it delivers accurate results while rejecting high levels of electromagnetic interference and stray currents. The compact, rugged design exceeds mechanical and safety standards specified in IEC specifications, making it ideal for field maintenance crews performing routine grounding system tests under challenging field conditions.
Key Features
- Auto-ranging measurement: 0 to 2000Ω
- Resolution: 0.01 to 1Ω depending on range
- Test current: 0.1 to 10 mA selectable
- Accuracy: ±(2% Reading + 1 count)
- Operating frequency: 128 Hz square wave
- High interference rejection: DC, 50/60Hz, harmonics
- Open voltage: 42V peak
- 200-count 7-segment LCD display with backlight
- Fast response: 4-8 seconds for stabilized measurement
- Low battery indicator
- Rugged design: shock, vibration, and drop tested per IEC standards
- IP 65 rating (closed); IP 63 (open)
Applications
- Electrical grounding system testing and maintenance
- Soil resistivity and earth resistance measurements
- Lightning protection system verification
- Substation and utility grounding inspections
- Construction and facility electrical safety testing
Included Accessories
- Ground Resistance Tester Model 4620
- Soft carrying case
- 8 × C-cell alkaline batteries
- User manual
Specifications
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AEMC 4620 Ground Resistance Tester
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