BY2571 Earth Resistance Tester for Electrical Infrastructure Applications

    In the evolving landscape of power infrastructure, reliable grounding systems are critical to ensure equipment safety, personnel protection, and compliance with international standards. The BY2571 Digital Ground Resistance Tester emerges as a state-of-the-art solution, addressing limitations of traditional manual methods while integrating advanced technologies for precision and adaptability in complex electrical environments.

Key Innovations and Design Philosophy

1.DC/AC Conversion & Hybrid Terminal Integration
Departing from labor-intensive hand-cranked generators, the BY2571 employs a proprietary DC/AC conversion system to generate low-frequency (≤1kHz) constant current (10mA/1mA selectable). This innovation enables seamless merging of three-terminal and four-terminal measurement modes into a single compact unit, reducing setup complexity for field technicians.

2.Anti-Interference Architecture
Engineered for high-noise industrial settings (e.g., substations, rail networks), the tester integrates:

1)Phase-locked loop (PLL) synchronous tracking demodulation to reject 50/60Hz grid interference.

2)Switched-capacitor filters suppressing RF noise up to 2kV/m.

3)HIRF-hardened resin casing (IP54 equivalent) ensuring durability in harsh conditions (-20°C to +50°C operational).

3.Autonomous Measurement Capabilities
A zero-balance-free design coupled with 3½-digit LCD auto-ranging (0-200Ω; 0.001Ω resolution) eliminates manual calibration errors. The "Overload" indicator ("1") intuitively flags open circuits, while extended tolerance ranges (auxiliary electrode resistance: RC≤2kΩ, RP≤40kΩ) ensure stable readings in poor soil conditions.

Performance Metrics Critical for Power Engineers

1.Precision Grading:

1)±3%±2d @ 0-0.2Ω (critical for telecom tower grounding)

2)±1.5%±1d @ 0.2-200Ω (HV transmission line compliance)

3)AC voltage measurement (0-20V, ±3%) for stray current detection.

2.Operational Efficiency:
7×AA rechargeable battery (9V/2W) supports 8hr continuous operation, with optional AC charging—ideal for remote substation audits.

Industry-Specific Applications

1.Renewable Energy Farms: Soil resistivity mapping (4-pole Wenner method) for solar/WTG grounding grids.

2.Rail Electrification: Step-and-touch voltage validation in traction power systems.

3.Data Centers: Periodic maintenance of <2Ω grounding networks per IEEE 1100.

The BY2571 redefines grounding diagnostics by merging laboratory-grade accuracy (0.1mΩ resolution) with ruggedized portability (1.4kg). Its immunity to 5V AC interference voltages and adaptive current injection make it indispensable for modern smart grid maintenance teams. Technical personnel seeking to replace obsolete megohmmeters will find its automated workflow and compliance with IEC 61557-5 standards transformative for safety-critical measurements.

    GDZX is a manufacturer of power testing equipment, offering a wide range of product categories with comprehensive models and providing professional technical support. Contact: +86-17396104357. Website: https://www.highvoltage-testequipment.com/