Description
The DUOYI DY4100 Series Digital Earth Resistance Tester is a precision instrument designed for the rigorous maintenance of power systems, telecommunication networks, and photovoltaic installations. Engineered for high-fidelity measurement of grounding resistance and soil resistivity, this device ensures compliance with IEC safety standards for lightning protection and electrical grounding. The unit features a dust-proof and moisture-proof construction suitable for outdoor field operations. It supports both 3-pole and 2-pole measurement methods, offering versatility across complex industrial grids and residential setups. The architecture utilizes a constant current inverter method to eliminate interference from earth voltage, ensuring stable readings even in electrically noisy environments. The DY4100B variant specifically addresses the needs of the solar industry with enhanced voltage handling capabilities.
Technical Specifications:
Manufacturer: DUOYI
Model Reference: DY4100 / DY4100B Series
Product Type: Digital Earth Resistance Tester / Megohmmeter
Earth Resistance Range: 0Ω to 1999.9Ω
Earth Voltage Measurement: 0V to 30V AC
Accuracy Class: ±3% rdg + 3dgt
Resolution: 0.01Ω (at 20Ω range)
Measurement Method: Constant Current Conversion (approx. 800Hz, 3mA)
Display Type: Digital LCD with Data Hold and Backlight
Operating Temperature: 0℃ to 40℃
Relative Humidity: ≤80% RH
Power Supply: 1.5V AA Batteries (x6) / 12V VRLA compatible
Dimensions: 150mm x 100mm x 70mm
Package Dimensions: 280mm x 200mm x 160mm
Gross Weight: 2.500 kg
Protection Class: Double Insulation, Overvoltage Protection
Standard Accessories: Auxiliary Earth Bars (x2), Testing Wires (Red 15m, Yellow 10m, Green 5m), Simple Test Wire, Carrying Case
Industrial Application:
This instrument is critical for commissioning and auditing grounding systems in high-voltage substations and solar farms. The precise measurement of soil resistivity allows engineers to design effective grounding grids that dissipate fault currents safely. Its capability to measure earth voltage identifies potential interference or leakage currents that could compromise sensitive industrial automation equipment. Original Engineering ensures long-term reliability and consistent calibration stability. Check current Lead Time for project planning. Technical Compatibility is guaranteed with standard auxiliary earth spikes and testing leads.
Key Attributes
Accuracy Class: 3%
Measuring Range: 0-1999.9Ω
Testing Voltage: 0-30V
Place of Origin: Guangdong, China
Model Number: DY4100
Brand Name: DUOYI
Dimensions: 150*100*70mm
Display Type: Digital Only
Operating Temperature: 0℃-40℃
Product name: Digital Earth Resistance Tester
Function: Ground Resistance Test
Packaging and Delivery
Selling Units: Single item
Single package size: 28X20X16 cm
Single gross weight: 2.500 kg
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