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VIND-BY-2IN1 Distribution Transformer DC Resistance & Turns Ratio 2-in-1 Tester
VIND-BY-2IN1 Distribution Transformer DC Resistance & Turns Ratio 2-in-1 Tester
The VIND-BY-2IN1 is a portable 2-in-1 tester for distribution transformers. It combines DC resistance and turns ratio testing into a single wiring setup, powered by a 7.8Ah lithium battery. This efficient design eliminates frequent cable switching for field maintenance.
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Product Overview
The VIND-BY-2IN1 is a revolutionary dual-function testing system specifically engineered for distribution transformer maintenance. By integrating DC resistance measurement and turns ratio testing into one compact unit, it allows technicians to perform both core diagnostic tests without the need for rewiring. Powered by a high-capacity lithium battery, this instrument is the ideal solution for power system maintenance and factory acceptance testing, significantly enhancing field operation efficiency by reducing labor and time consumption.
The VIND-BY-2IN1 is a revolutionary dual-function testing system specifically engineered for distribution transformer maintenance. By integrating DC resistance measurement and turns ratio testing into one compact unit, it allows technicians to perform both core diagnostic tests without the need for rewiring. Powered by a high-capacity lithium battery, this instrument is the ideal solution for power system maintenance and factory acceptance testing, significantly enhancing field operation efficiency by reducing labor and time consumption.
Technical Specifications
- DC Resistance Output: 20A, 10A, 5A, 1A, 0.1A, ≤10mA.
- Resistance Range: 0.5mΩ to 50kΩ (varies by current range).
- Resistance Accuracy: ±(Reading × 0.2% + 2 digits).
- Ratio Range: 0.9 to 10,000.
- Ratio Accuracy: ±(Reading × 0.1% + 2 digits) for ratios ≤500.
- Resolution: Adjustable from 0.0001 to 1.
- Power Supply: Built-in 7.8Ah lithium battery (Charging: AC 220V).
- Physical: Weight 6.5kg; Dimensions 318×280×204mm.
Core Functional Features
- Efficient Dual-Function Testing: The instrument performs both DC resistance and turns ratio measurements with a single wiring connection. This seamless integration eliminates the cumbersome process of frequent wire switching required by traditional separate instruments, drastically reducing setup time and potential errors.
- High-Performance Resistance Testing: Capable of outputting up to 20A, it is specifically designed to meet the testing requirements for extremely low resistance values found in distribution network transformer low-voltage coils (Y-type and Δ-type). It automatically calculates the three-phase imbalance ratio for quick analysis.
- Comprehensive Ratio Analysis: Supports testing on three-phase, single-phase, and Z-type transformers. It also includes functions for PT/CT ratio and polarity testing, featuring a practical “blind test” mode for unknown transformer configurations.
- Intelligent & Durable Design: Powered by an embedded Linux operating system with a dual-core A7+M4 architecture, it ensures real-time data processing and a secure user experience. The industrial-grade 7-inch display offers clear visibility, while the built-in 7.8Ah battery allows for operation independent of mains power in outdoor environments.
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