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HM5020 Capacitance and inductance Tester Display Video
Product overview

The HM5020 Fully Automatic Capacitance and Inductance Tester utilizes a new-generation high-speed hybrid microprocessor and features a highly integrated design. It simultaneously acquires voltage and current signals from the test specimen and automatically calculates capacitance, inductance, reactive power, and other values. On-site measurement of capacitors does not require disconnecting wiring, simplifying the testing process, effectively improving work efficiency, and preventing damage to power equipment. Upon completion of the test, the instrument automatically calculates the capacitance of each phase and other parameters, making it extremely easy to identify changes in capacitor quality and faults in the conductors connecting the devices. Additionally, this instrument features data storage and USB communication capabilities, eliminating the need for manual data transcription on-site and ensuring the integrity of measurement data.
Product Functions
1. No-disconnection testing: The instrument is equipped with a high-current, high-precision current clamp, allowing on-site measurement of capacitors without disconnecting the wiring. This simplifies the testing process, effectively improves work efficiency, and prevents damage to power equipment;
2. Highly intelligent: After completing the three-phase test, the instrument automatically calculates parameters such as the capacitance value of each phase, total capacitance, and reactive power. This simple and intuitive feature reduces the workload on test personnel;
3. Four-terminal measurement: Utilizes four-terminal measurement technology for precise measurements and excellent test repeatability;
4. Automatic compensation: Features automatic current segmentation compensation and full-range current linearization to enhance measurement accuracy;
5. Storage function: The instrument can store up to 400 data records and includes a historical data query function;
6. USB Communication: The USB communication function, when used with PC software, enables data analysis, saving, printing, and the generation of comprehensive test reports, facilitating centralized data management;
7. Large Touchscreen: A 7-inch true-color touchscreen LCD display with Chinese interface, offering an intuitive interface and simple operation;
8. Temperature Monitoring: Monitors ambient temperature to facilitate recording the capacitance values of capacitors at different temperatures;

Technical Parameters
| Capacitance Measurement Range and Accuracy | Capacitance Measurement Range:0.1uF~3300uF |
| Accuracy: ±(reading × 1% + 0.005 μF) | |
| Resolution: 0.001 μF | |
| Inductance Measurement Range and Accuracy | Inductance Measurement Range: 100 μH to 50 H |
| Accuracy: ±2% of reading | |
| Power Supply and Test Power Supply | Power Supply and Test Power Supply Instrument Power Supply: AC 220 V ±10%, 50 Hz |
| Output Voltage (Open Circuit): AC 23 V ±10%, 50 Hz (Capacitance); AC 3 V ±20%, 50 Hz (Inductance) | |
| Maximum Output Current: 20 A | |
| Output Short-Circuit Protection: Automatic Operating Conditions, Dimensions, and Weight |
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| Operating Conditions, Dimensions, and Weight | Ambient Temperature: -10°C to +40°C; Relative Humidity: ≤90% |
| Main Unit Dimensions: 333 × 280 × 130 mm (L × W × H); Weight: 4.3 kg | |
| Accessory Case Dimensions: 340 × 260 × 135 mm (L × W × H); Weight: 3.6 kg |
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