MOEORW-W4505C is an intelligent multi-function on-load tap-changer tester with higher output current and wider test range. It supports Yn/Y/D connection transformer direct reading without conversion, and can test with/without winding. Equipped with Bluetooth APP control and high-capacity battery, it brings you more convenient, flexible and efficient test experience, helping you complete fault location and performance verification quickly.
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2.0A / 1.0A / 0.5A / 0.1A |
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0.3–5Ω (2A); 1–20Ω (1A); 5–40Ω (0.5A); 20–100Ω (0.1A) |
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0–320ms |
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20kHz |
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Resistance: ±(5% rdg + 0.1Ω); Time: ±(0.1% rdg + 0.2ms) |
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AC220V or built-in lithium battery (optional) |
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500 groups internal storage |
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Host 6kg |
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360×290×170mm |
- Higher output current supports ultra-low resistance test, stronger adaptability.
- Direct display for Yn/Y/D wiring, no manual conversion, reducing error risk.
- With/without winding dual mode, suitable for complete machine and separate switch test.
- Bluetooth mobile APP control realizes wireless operation and data upload.
- Automatic waveform adjustment and manual calibration improve result reliability.
- Optional lithium battery supports outdoor use without mains supply.
- High-speed printing and data storage improve report output efficiency.
- Transformer factory delivery and incoming inspection.
- Power grid daily maintenance and state evaluation.
- Industrial and mining enterprise transformer fault detection.
- Field emergency test and mobile maintenance.
- Third-party testing and equipment calibration.
Q: What is the biggest benefit of 4505C?
A: Wider current range, no conversion for different wiring, APP control, more efficient and convenient.
A: Yes, optional built in battery supports outdoor independent work.
A: Adjust filtering level and trigger sensitivity, and clean contacts by operating switch multiple times.
A: Yes, support U disk and upper computer software for analysis and report.
A: Yes, high current and high sampling rate ensure stable test of large capacity transformers.
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