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Products

Product list

KDHG-220P CT/PT Variable Frequency Transformer Voltage Characteristics Tester

Designed for testing protective class CT and PT in power grids, substations, and industrial power systems.
Suitable for excitation characteristic, ratio, polarity, secondary winding resistance, and burden tests.
Ideal for routine maintenance, quality inspection, and performance verification of instrument transformers.

KDHG-HT CT PT Analyzer for Measuring Burden Resistance Turns Ratio Polarity

Power System Maintenance
Factory Acceptance Testing
Research & Development Laboratories
Field Commissioning
Educational & Training Institutions

RD2612 Smart Displacement Current Detector Capacitance & Inductance Tester

Detecting abnormal capacitance currents in high-voltage systems
Verifying system grounding effectiveness
Monitoring insulation performance in cable lines and transformers
Troubleshooting early-stage faults or insulation degradation
Supporting routine diagnostic and preventive maintenance in substations

Its compact, lightweight design, combined with high-accuracy digital signal processing and multi-protection circuits, makes it an indispensable tool for power utility companies, substation operators, and electrical equipment manufacturers.

KDHG-518B Variable Frequency Transformer Comprehensive Tester

KDHG-518B not only meets the test requirements of excitation characteristics (i.e., volt-ampere characteristics), transformation ratio, polarity, secondary winding resistance, secondary load, ratio difference and Angle difference of various CTS (such as protection type, metering type, TP type), but also can be used for the test of excitation characteristics, transformation ratio, polarity and secondary winding resistance of various PT electromagnetic units.

KDHG-518B Variable Frequency Transformer Volt Ampere Characteristic Tester

The device adopts high-performance DSP and ARM manufacturing technology to ensure stable and reliable performance, complete functions, high degree of automation, high test efficiency, and is a professional test instrument for transformers in the power industry.

KDHG-Ⅱ Transformer Characteristics Comprehensive Tester

KDHG-Ⅱ not only meets the testing requirements of various current transformers (such as protection, metering, and TP types) in terms of excitation characteristics (i.e., volt-ampere characteristics), turns ratio, polarity, secondary winding resistance, secondary load, ratio difference, and angle difference, but can also be used to test the excitation characteristics, turns ratio, polarity, and secondary winding resistance of electromagnetic units of various voltage transformers (PTs).

KDHG-A Power Frequency Transformer Volt-ampere Characteristic Tester

KDHG-A transformer comprehensive tester is a kind of multifunctional field test instrument specially designed for measuring transformer: volt-ampere characteristics, ratio, polarity, error curve, calculating inflection point and secondary side loop inspection.

KDZD automatic capacitance and inductance tester

KDZD automatic capacitance and inductance tester is specially developed to solve the problem of measuring capacitor capacitance value in substation

Wireless secondary voltage drop load tester

The wireless secondary voltage drop/load tester is an intelligent wireless testing instrument designed and developed by our company to automatically test the se

KDHG-A Transformer Comprehensive Tester

Transformer comprehensive tester is a multifunctional on-site testing instrument designed specifically for testing the volt ampere characteristics, transformati

KD-45VA1+Transformer Comprehensive Tester

A new generation of innovative CT and PT testing instruments has been developed based on the traditional transformer volt ampere characteristic transformation r

KDHG-518C Variable Frequency Transformer Comprehensive Tester

Equipped with a large capacity memory, it can store 2000 sets of test data, and data will never be lost in case of power failure;
Single machine integration, lightweight, weighing only 8.2Kg, easy to carry, convenient for mobile testing;
Automat

KD-45L PT excitation characteristic tester

The PT excitation characteristic tester is an enhanced excitation characteristic tester launched by our company. The instrument adopts good high-speed microproc