
Htjs-M Automatic Portable Power Transformer Dielectric Loss Dissipation Factor Tester Transformer Tan Delta Tester. Variable Frequency Anti-Interference: Eliminates 50Hz interference with variable frequency technology for reliable data in strong electromagnetic fields. Integrated HV Power Supply: Built-in standard capacitor and HV power supply up to 10kV, reducing field wiring complexity. CVT Self-Excited Testing: Measures C1 and C2 capacitance and dielectric loss without external attachments using self-excited method. Reverse Wiring Stability: Uses IVDDV technology and LV shielding to eliminate data instability during reverse wiring tests. Comprehensive Safety Protection: Features ground protection, over-current protection, and electric shock protection to cut off high voltage instantly. Automatic Digital Operation: Microprocessor-controlled measurement process with large-screen LCD display for easy operation and automation. Wide Application Range: Suitable for transformers, CT/PT, bushings, capacitors, surge arresters, and oil dielectric loss measurement.