XHYZ1668A On-Load Tap-Changer Tester is a professional-grade diagnostic instrument engineered for comprehensive evaluation of transformer on-load tap-changers (OLTC). Equipped with advanced intelligent functions and a complete English menu system, this instrument enables on-site personnel to master its operation quickly without specialized training. Its compact structure, lightweight build, and excellent anti-interference performance effectively reduce physical burden during field testing. Widely recognized as an optimal choice for power generation and distribution enterprises and transformer manufacturing sectors, this device plays a critical role in safeguarding safe production and elevating product quality standards.
| Parameter | Specification |
|---|---|
| Output Current | 1.0A / 0.5A / 0.2A (Selectable) |
| Transition Resistance Range | 0.3Ω–20Ω (1.0A) | 5Ω–40Ω (0.5A) | 20Ω–100Ω (0.2A) |
| Transition Time Range | 0–320 ms |
| Open Circuit Voltage | 24V |
| Resistance Accuracy | ±(5% of reading ± 0.1Ω) |
| Time Accuracy | ±(0.1% of reading ± 0.2ms) |
| Sampling Rate | 20 kHz |
| Storage Capacity | 500 sets of data (built-in) |
| Display | 7-inch high-brightness LCD |
| Dimensions (Main Unit) | 360 * 290 * 170 mm |
| Dimensions (Cable Box) | 360 * 290 * 170 mm |
| Weight (Main Unit) | 6.15 kg |
| Weight (Cable Box) | 4.55 kg |
| Test Cable Length | Standard 13 m (customizable) |
| Parameter | Specification |
|---|---|
| Ambient Temperature | -10℃ to +50℃ |
| Relative Humidity | ≤ 85% RH |
| Working Power Supply | AC 220V ± 10% |
| Power Frequency | 50 ± 1 Hz |
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