The HBD-81 Portable DC System Ground Fault Locator is capable of detecting various insulation faults, DC intercoupling faults, and AC leakage faults in DC systems of different voltage levels, including 24V, 48V, 110V, and 220V. With its accurate and reliable performance, it enables users to quickly locate faults in DC power systems, thereby enhancing troubleshooting efficiency.

This highly precise and sensitive device ensures safe and efficient maintenance and fault diagnosis in DC systems. Whether in industrial production sites or laboratory environments, the HBD-81 DC Fault Tester provides a user-friendly and reliable solution for fault detection.

Functions as below:

1. The device can measure the voltage between the system and ground, system voltage, within a monitoring range of 0-300V.
2. It can measure the insulation impedance between the system and ground, detect the balance bridge size, with a detection range of 0-999.9KΩ.
3. The device can measure the AC voltage component that infiltrates the DC system, within a range of 0-280V.
4. It can measure and display the distributed capacitance of the system in real-time.
5. The device can detect various network faults in the two bus sections, including positive loop, negative loop, bipolar loop, and heteropolar loop, and locate the network fault points through waveform and directional display.
6. It can be used to locate high impedance network faults by adjusting modulation, frequency, and current waveform selection.
7. The device can measure the insulation impedance between each branch and ground, and locate the insulation fault points through waveform and directional display.
8. It has spectrum analysis capabilities based on fast FFT transformation technology, allowing for efficient sampling and improved detection accuracy.
9. The device can be used as a high-precision ammeter with a measurement resolution of up to 0.01mA.
10. The equipment can automatically identify the system voltage level and determine the type of network fault.