LQHV-331 Transformer Turns Ratio Tester (TTR)

Advanced Ratio Analysis for Special Transformers

The LQHV-331 revolutionizes transformer testing with 120°/90° phase-shifted power output, specifically designed for:

Product Parameters

Technical Parameters

• Z-type winding transformers

• Three-phase power transformers

• Rectifier and railway transformers

Innovative Testing Technology

1. Precision Power Generation

• ⚡ Stable 120° (3-phase) or 90° (2-phase) output

• 📈 Immune to input power fluctuations

2. Special Transformer Support

• ⏎ Automatic Z-winding compensation

• 🔢 Tap position auto-calculation

3. Comprehensive Protection

• 🛡️ Short-circuit and interturn fault detection

• ⚠️ Clear LCD fault indications

User-Centric Features

1. Efficient Data Handling

• 💾 99-test onboard memory

• 🖨️ Direct printing capability

• 📤 USB/PC data transfer

2. Field-Optimized Design

• 📱 7" LCD with intuitive interface

• 🧳 Compact 6.9kg portable package

• 🔋 Long-lasting battery operation

Testing Applications

• Power Utilities: Ratio verification during maintenance

• Industrial Plants: Rectifier transformer testing

• Railway Systems: Traction transformer evaluation

• Manufacturing: Production line quality control

Why Choose LQHV-331?

• ✅ Unmatched 10,000:1 Ratio Range

• ✅ Military-Grade Stability in field conditions

• ✅ Special Transformer Support (Z-winding/Railway)

• ✅ Complete Data Management with PC software