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Product Description

Vanlison Professional-Grade 3 Phase Diagnostic Tool
The item combines phase sequence detection, open phase identification, live wire verification (AC 70-600V), circuit break location, and motor rotation analysis in one compact device. Ideal for industrial maintenance, electrical troubleshooting, and motor diagnostics.
- Specifications:
- Input voltage: 70~600V AC, 50~60HZ;
- Max. input voltage: 600V AC;
- Max rated power: 300mVA;
- Insulation strength: 5.4K Vrms;
- Maximum diameter of the cable under test: Φ17mm insulated cables;
- Working Temperature/Humidity: -10℃~55℃, max 80% RH;
- Storage Temperature/Humidity: -20℃~60℃, max 90% RH;
- Auto power off: 5 minutes after powered on;
- Power supply: 2x AA battery (included).



- Phase Sequence Test: When the A,B,C Phase indicators are all on, the R indicator lights up to indicate positive CW phase, the L lights up to indicate negative CCW phase.
- Motor Rotation Detection: Testing single/3-phase motor direction without physical contact. Simply align clamps parallel to the drive shaft – no frequency converter compatibility (VFD motors excluded).
- Phase Loss / Short Circuit Detection: when there is a phase loss or a short circuit, a corresponding indicator light is off ( A or B or C indicator light is off).
- Live Wire / Circuit Breaker Detection: Attaching any clamp to the test wire. If the wire carries AC power (70-600V), the matching A/B/C phase light will turn on. If no power is detected, the light stays off.

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