KD500A is a dedicated tester for capacitors and reactors using advanced measurement principles and four-terminal technology. It features an 800×640 touchscreen LCD with intuitive menu operation, measuring comprehensive parameters including C/L, U/I, P/Q, X, R, and φ. With automatic segmented linear compensation for current, ambient temperature monitoring, USB communication, and a built-in printer, it enables precise field analysis of reactive power compensation components.

1. Measure capacitors without disconnecting them, simplifying testing and preventing damage;
2. Comprehensive parameter display: Capacitance/Inductance, Voltage, Current, Frequency, Active/Reactive Power, Reactance, Resistance, Phase Angle;
3. Employing advanced four-terminal measurement technology, it achieves high precision and repeatability;
4. Features an 800×640 true-color touchscreen LCD display with Chinese menu prompts;
5. Automatic current segmentation compensation linearizes the full-scale current, improving measurement accuracy;
6. Ambient temperature monitoring allows for capacitance change analysis;
7. A seventh-generation USB communication interface facilitates data transfer and management;
8. A built-in micro printer allows for on-site printing of measurement results, eliminating the need for manual recording;
9. The kit includes a clamp-on current sensor for non-invasive current measurement;
10. It features overcurrent protection, is rugged and durable, and is suitable for field use.

Normal operating conditions of the instrument
Ambient temperature: -10℃ ~ +40℃;
Relative humidity: ≤90%;
Power supply: 220V±10% power frequency;
Rated frequency: 50Hz;
Rated output: 25V/40A/500VA;
Instrument volume: 390×280×220mm (length × width × height);
Weight: about 10kg;