Transformer Testing Instrument
LQHV-370 Transformer Short Circuit Impedance Tester
Precision Winding Integrity Analysis
The LQHV-370 provides ±3% detection sensitivity for winding deformation as per CICED 2000 standards, using low-voltage impedance measurements to identify:
Radial winding deformation
Axial displacement
Interturn short circuits
Product Parameters
Technical parameters
Scope of voltage measurement: 5~400V | Accuracy of measurement: 0.2d |
Scope of current measurement: 0.1~20A | Operating power: AC220V±10% |
Power frequency: 50Hz | Operating temperature: -10℃~50℃ |
Ambient humidity: ≤85%RH | Net weight: 6kg |
Advanced Testing Technology
1. Automatic Three-Phase Analysis
⚡ Simultaneous AB/BC/CA measurements
📊 Auto-calculation of impedance error %
🔄 No external voltage regulator needed
2. Comprehensive Diagnostics
📈 Zero-sequence impedance testing
🧲 Inductance measurement capability
⚠️ ±3% deformation detection threshold
3. Intuitive Operation
🖐️ Gesture-controlled touch interface
🖨️ Built-in report generation
⏱️ Real-time clock for test logging
Field-Optimized Design
Lightweight: 5kg portable package
Versatile Power: Standard 220V input
All-Weather Ready: -10°C to 50°C operation
Data Management: 1000-test memory
Critical Applications
Post-Fault Inspection: Short-circuit impact assessment
Preventive Maintenance: Winding health trending
Factory Testing: Production line quality control
Installation Verification: Commissioning checks
Why Choose LQHV-370?
✅ Regulatory Compliance - Meets CICED 2000 standards
✅ Time Savings - 3-phase test in 2 minutes
✅ Non-Invasive - LV testing eliminates HV risks
✅ Future-Proof - Firmware upgradeable