LDJF-701 Handheld Partial Discharge Detector is a portable detection instrument designed specifically for power systems, suitable for high-voltage switchgear, ring main units, transformers, etc GIS、 Insulation status detection and evaluation of various power equipment such as overhead lines, cable terminals, and branch boxes. This product integrates multiple detection modes such as ultrasonic waves and ground waves. Through high-precision sensors and advanced signal processing technology, it can accurately capture and analyze partial discharge signals, providing strong guarantees for the safe and stable operation of the power system.
| TEV measurement | |
| Measuring range | 0-60 dBmV |
| Resolution | 1dB |
| Precision | ±1dB |
| Maximum pulse per cycle | 1400 |
| Measurement frequency band | 3~100MHz |
| AE measurement | |
| Measurement range | -6dBμV to 68dBμV |
| Resolution | 1dB |
| Precision | ±1dB |
| Frequency range | 20~200 kHz |
| AA measurement | |
| Measurement range | -6dBμV~68dBμV |
| Resolution | 1dB |
| Precision | ±1dB |
| Sensor center frequency | 40 kHz |
| UHF Parameters | |
| Detection frequency | 300MHz~3000MHz |
| Measurement range | 0-60 dBmV |
| HFCT measurement | |
| Sensor transmission impedance | 9.9mV/mA |
| Detection frequency | 0.5～50MHz |
| Sensitivity | 1mV |
| Detection range | 0~10000 mV |
| Hardware | |
| Shell | ABS |
| Display | 4.0 inch RGB LCD screen, resolution 800*480 |
| Sampling accuracy | 12bit |
| Connector | USB interface (also charger input) 3.5mm stereo headphone jack External sensor input interface Wifi (Optional) |
| SD Card | Standard configuration 16G ~ 64G |
| Built-In Battery | 3.7V/5000mAh lithium battery |
| Working hours | Approxi. 6 hours |
1. The appearance of the product is subject to the actual product. Technical parameters and models are subject to change without prior notice. 2. To learn more about Longdian products, please enter the product center. Service Hotline: 400-6727-238
Multi functional integration: The LDJF-701 handheld partial discharge detector has built-in ultrasonic and ground wave sensors, which can achieve various partial discharge detection functions without the need for external equipment, making operation simple and fast.
High precision detection: Using high-sensitivity sensors and advanced signal processing technology, it can accurately capture weak partial discharge signals and display detection results in real time, helping users quickly locate problem points.
Multiple spectrum analysis: The device supports the drawing and analysis of various discharge spectra such as time-domain waveforms, PRPD, PRPS, etc., providing rich data support to help users have a more comprehensive understanding of the insulation status of the equipment.
Wireless connection and data export: Supports multiple wireless connection methods such as WiFi and Bluetooth, making it convenient for users to export data to their computers or phones for further analysis. At the same time, the device is also equipped with a USB interface, supporting USB storage and export functions.
Humanized operation interface: adopting a 4.0-inch RGB LCD screen with a resolution of up to 800 * 480, the operation interface is intuitive and easy to understand. Supports dual operation of buttons and touch screen to meet the usage habits of different users.
Efficient and energy-saving design: Built in 3.7V/5000mAh lithium battery, supporting long-term continuous operation. At the same time, if there is no operation within 15 minutes, the device will automatically shut down to save power.
Wide applicability: The LDJF-701 handheld partial discharge detector is suitable for various fields such as power generation and distribution enterprises, railway systems, petrochemical power supply systems, etc. It can help users timely discover and deal with potential problems in power equipment, improve the reliability and safety of the power system.
