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What is ZXR-10A DC Resistance Tester? Key Features and Industry Comparisons
The ZXR-10A DC Resistance Tester represents a significant advancement in electrical testing technology, designed to address the evolving demands of transformer diagnostics, power equipment maintenance, and industrial resistance measurement. Combining portability, precision, and intelligent power management, this device offers a modern alternative to traditional resistance testers. This article explores its technical advantages and compares its capabilities with conventional solutions in the power industry.
Key Innovations of ZXR-10A
1.High Precision & Wide Range
With a measurement accuracy of ±0.2% ±0.5μΩ and a broad range of 0.2mΩ–50kΩ, the ZXR-10A outperforms legacy testers limited to narrower ranges (e.g., 1mΩ–10kΩ) and lower accuracy (±0.5%). Its 10A maximum output current ensures rapid stabilization of inductive loads, critical for large transformers.
2.Portability and Power Efficiency
Unlike bulky, AC-dependent testers, the ZXR-10A integrates a lithium battery supporting 3-hour continuous operation and 24V output. Traditional models often require external power sources, limiting field use. The dynamic power management system further optimizes battery longevity by adjusting voltage based on load demands.
3.Smart Data Management
The device stores 250 measurements and supports UFD exports and PC connectivity—features absent in older testers reliant on manual logging. Its touchscreen interface simplifies operation compared to button-based legacy systems.
4.Adaptive Testing Modes
Auto-ranging current (1mA–10A) enables seamless transitions across resistances (e.g., 1mΩ–0.5Ω at 10A vs. 500Ω–20kΩ at 1mA). Traditional testers often require manual range selection, increasing setup time.
Technical Comparison with Conventional Testers
Parameter | ZXR-10A | Legacy Testers |
Output Current | 10A (max) | ≤5A (typical) |
Measurement Range | 0.2mΩ–50kΩ | 1mΩ–10kΩ |
Power Source | Lithium battery + AC backup | AC-only or short-lived batteries |
Data Storage | 250 records, UFD/PC export | None or limited manual logging |
Temperature Compensation | Yes (Cu/Al reference) | Rarely supported |
Portability | 3.9kg, compact design | 6–8kg, bulky |
Applications in Power Systems
1.Transformer Testing: Rapidly measures winding resistance (e.g., 100mΩ–2Ω at 5A), critical for detecting contact degradation or imbalance.
2.Circuit Breakers & Busbars: Resolves micro-ohm-level resistances (1mΩ–0.5Ω at 10A) to identify oxidation or loose joints.
3.Cable Diagnostics: Tests high-resistance segments (20kΩ) at 1mA, ideal for insulation evaluation.
Limitations and Considerations
1.Battery Dependency: High-current modes (5A/10A) reduce battery runtime, necessitating AC backup for prolonged use.
2.Cold Environments: Operates reliably at -20°C but may require preheating in extreme conditions.
The ZXR-10A DC Resistance Tester redefines efficiency in electrical testing through its hybrid power system, precision engineering, and smart data tools. For utilities and industrial operators, it eliminates trade-offs between portability and performance—a common pain point with older equipment. While traditional testers remain viable for basic tasks, the ZXR-10A’s advanced features position it as the optimal choice for modern, data-driven maintenance workflows.
GDZX is a manufacturer of power detection equipment, offering a diverse range of products with comprehensive models and providing professional technical support. Contact us at +86-27-6552607 or +86-17396104357.Website: http://en.gdzxdl.com/
