LQHV-S10A Three-Circuit Transformer DC Resistance Tester

Product Overview

The LQHV-S10A revolutionizes transformer testing with simultaneous three-phase winding measurement, cutting test time by 66% compared to traditional methods. Designed for field use with industrial-grade protection and intuitive Chinese/English interfaces.

Product Parameters

Technical parameter

Technical Advantages

1. Unmatched Efficiency

• ⏱️ 67% time savings vs single-phase testing

• ⚡ Instant on-load tap changer measurements

2. Precision Engineering

• 🎛️ 0.2% basic accuracy

• 📊 Stable readings even at low resistance (1μΩ resolution)

3. Field-Ready Design

• 🖥️ 7" color LCD with graphical results

• 💾 1000-test memory + built-in printer

• ⚡ Reinforced safety circuits

Testing Workflow

1. Connect test leads to transformer bushings

2. Select auto-test mode (current auto-adjusted)

3. View real-time three-phase resistance values

4. Save/print results with timestamps

Critical Applications

• Preventive Maintenance: Baseline winding resistance

• Fault Diagnosis: Detect shorted turns/loose connections

• Tap Changer Assessment: Contact wear analysis

• Factory Testing: Production line QC checks

Why Professionals Choose LQHV-S10A

• ✅ No discharge delays - Test tap changers in sequence

• ✅ All-in-one solution - Printer + memory + analysis

• ✅ Future-proof - Firmware upgradeable