Transformer Testing Equipment

High-precision on-site calibrator for CT and PT testing with 0.05S accuracy. Features recursive error measurement, variable frequency power supply, and wide range 5A-25000A. Eliminates need for standard CT and load box. Includes large LCD, auto error rounding, and RS232/USB data export. Durable mold box.

Measures three circuits simultaneously for YN, Y, and delta transformers. Features 10A, 5A, 1A output, 0.1μΩ resolution, and 0.2% accuracy. Compact, lightweight, with English interface and menu prompts. Ideal for efficient transformer testing.

High-precision ZXR-40A tester measures transformer DC resistance with 40A output. Features fast response, automatic discharge alarm, and strong anti-interference. Ideal for field use with compact design and 0.2% accuracy.

Compact and portable short circuit impedance tester for 110kV and above transformers. Features single-phase measurement, phase-locking technology, and LCD display. Supports external CT/PT. Ideal for on-site winding deformation checks. Factory direct with 1-year warranty.

Compact and lightweight partial discharge detector for transformers. 40-65% lighter than oil-immersed units, maintenance-free, and unaffected by harsh climates. High insulation strength with low corona. Ideal for reliable PD testing.

Measures dielectric loss factor (tgδ) and capacitance of transformers, bushings, capacitors, and arresters. Features strong anti-interference, 10kV auto boost, 45/55Hz variable frequency, and high accuracy. Compact with built-in HV supply, RS232 interface, and safety protections. ISO9001 certified.

Detect transformer winding deformation via frequency response analysis per DL/T911-2004. Features 10MHz sweep, 0.1dB accuracy, wireless WiFi/Bluetooth connectivity, and auto analysis. Ideal for 6kV+ transformers. Custom options available.

Automatic frequency conversion tan delta tester for dielectric loss measurement of transformers, bushings, and arresters. Features strong anti-interference, 10kV output, and high accuracy. Ideal for field use in substations with electromagnetic interference.

AC method tester for on load tap changers, capturing true transition waveforms without filtering. Tests 10kV-500kV, features 200k/s sampling, 8M byte cache, and built-in power supply. Portable, touch screen, and supports data export for analysis.

Tests transition waveform, time, resistance, and three-phase sync for 10kV-500kV transformers. Features 200k/s sampling, 8MB cache, 10.4" touch screen, and built-in power supply. Portable, CE certified, with data export and remote transmission.

High-precision 40A DC resistance meter for transformer testing. Features fast response, sound discharge alarm, and automatic discharge. Ideal for medium and large transformers with 0.2% accuracy and 0.1μΩ resolution.

The ZX-BRL tester measures transformer capacity, no-load loss, and short-circuit loss with high precision. Built-in rechargeable Li-battery supports 100 tests per charge. Features auto calibration, external CT/PT support, and a thermal printer. Ideal for B2B industrial export.

Measures transition time, resistance, and three-phase synchronism of on-load tap changers. Features 0.1ms time resolution, 0.1 Ohm resistance resolution, and 300ms waveform recording. Supports Y0, Y, and Delta transformers with direct resistance display. Includes touch screen, printer, and USB data export.

High-speed TTR tester with 0.1% accuracy, 5-inch LCD, and built-in lithium battery for field use. Measures turns ratio, phase angle, and connection group. Supports single/three-phase and tap tests. Lightweight 3kg, stores 1000 results.

Measures transformer winding deformation via frequency response analysis per DL/T911-2004. Features 10MHz sweep, 0.1dB accuracy, wireless WiFi/Bluetooth connectivity, and auto analysis. Fast 60s per phase test. Ideal for 6kV+ power transformers.

Measures turns ratio, phase angle, and error for Z/Scott transformers. Features 7-inch LCD, 0.1% accuracy, and 40-second three-phase test. Built-in lithium battery, lightweight 3kg. Ideal for industrial power testing.

High-speed 200k/s sampling for true transition waveform analysis. Tests 10kV-500kV transformers with AC/DC methods. Built-in 1000VA power supply, 10.4" touch screen, and 8M byte FIFO cache. Supports data export and remote transmission. Portable, integrated design for on-site use.

The JSY-03 Tan Delta Tester offers high-precision dielectric loss measurement for transformers, bushings, and arresters. Features automatic frequency conversion, strong anti-interference up to 200%, and 10kV output. Ideal for field use in power plants. Compact design with built-in standard capacitor and HV supply.

Measures transition waveform, time, resistance, and three-phase synchronization. Features 1.0A/0.5A/0.3A output, 5.7-inch LCD, U disk storage, and strong anti-interference. Ideal for power plants and transformer manufacturing.

Measures transformer on-load tap changer transition waveform, time, resistance, and three-phase synchronization. Features 1.0A/0.5A/0.3A output, 28V open circuit voltage, 5.7-inch LCD, U disk storage, and strong anti-interference. Ideal for power plants and transformer manufacturing.