Product Introduction
We are a professional high-voltage power testing equipment manufacturers/Resonant Test Set manufacturers in China.The Wireless Insulator Voltage Distribution Detector developed by our company is a new type of insulator testing instrument designed based on user feedback and actual operating conditions, combined with extensive field testing. It is used for testing overhead suspension insulators or laboratory detection, effectively identifying concealed faults inside insulators, improving the reliability of power system operation, and enhancing the work efficiency of line workers conducting live testing.
The detector utilizes wireless transmission technology, with a communication distance between the detector and the handheld receiver of up to 100 meters, enabling a truly safe, reliable, fast, and accurate measurement process. In addition, the instrument features strong anti-interference capability, fully complying with EMC standards and adapting to various types of electromagnetic interference environments.
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Product functions
Insulator voltage distribution testing
Voltage measurement on suspension insulators.
Detection of hidden insulator faults
Helps identify potential internal faults or performance abnormalities in insulators by detecting abnormal voltage distribution.
Particularly suitable for detecting latent defects that are not easily found through conventional visual inspection.
Designed to improve transmission system operational reliability and enhance the work efficiency of live-line inspection personnel.
Wireless remote measurement
Wireless communication between the detector and the handheld receiver terminal.
Line-of-sight communication distance up to approximately 100 m.
Allows inspection personnel to read measurement data from a relatively safe position without the need for long-distance wired connections.
Suitable for live-line testing
Product is explicitly designed for live-line suspension insulator testing, while also supporting laboratory testing.
Wide operating voltage coverage, with the specified applicable voltage range of 0 to 1000 kV.
Flexible measurement direction adjustment
Features a universal joint structure.
Measurement direction can be adjusted according to the suspension orientation of the insulator string.
Provides better adaptability to insulators installed in different orientations.
Product Characteristics
1. Wide Operating Voltage Range: 0 to 1000 kV, suitable for different voltage grades.
2. Date and Time Settings: Adjustable date and time for convenient browsing and viewing of historical data.
3. Adjustable Backlight Time: Configurable from 0 to 999 minutes.
4. Automatic Shutdown Settings: Options include "Never" or a configurable time from 0 to 999 minutes.
5. Wireless Transmission Distance: Communication distance between the handheld unit and the detector is ≤100 m.
6. Universal Joint Design: Allows flexible adjustment of the measurement direction according to the suspension orientation of the insulator string.
7. Double Shielding: Provides strong anti-interference capability, fully compliant with EMC standards.
기술적인 매개변수
| measurement voltage range | 0～40kV (special voltage can be customized) |
| 측정 오류 | ≤±1% |
| 해결 | 0.01kV |
| 샘플링 속도 | 10 times/sec |
| working current | ≤120mA (handheld), ≤40mA (detector) |
| 전원공급장치 | 2 section 1.5v no.5 dry battery (handheld) |
| 2 section 1.5v no. 7 dry cell (detector) | |
| sustainable working hours | ≥12hours |
detector and handheld line-of-sight 전송 거리 | ≤100m（sufficient power supply） |
| 표시하다 | positive display LCD, clearly visible in the sun |
| working temperature | -35℃～+60℃ |
| storage temperature | -40℃～+65℃ |
| 상대습도 | ≤90%RH no condensation |
Application Scenarios
Live-line inspection of transmission lines — Detects voltage distribution of suspension insulators without power interruption.
Insulator condition assessment — Determines whether the insulator operating condition is normal.
Insulator fault diagnosis — Identifies insulators with abnormal voltage distribution.
Line fault location — Assists in troubleshooting causes of faults such as tripping and discharge.
Preventive maintenance — Identifies potential insulator issues in advance to reduce fault risk.
High-voltage / ultra-high-voltage line testing — Suitable for overhead transmission lines of different voltage levels.
Substation equipment inspection — Used for relevant insulator testing within substations.
Insulator aging detection — Assists in determining insulator degradation through changes in voltage distribution.
Insulator production testing — Used for performance testing and quality inspection of insulator products.
Laboratory research testing — Used for research on insulator electrical performance and voltage distribution.
FAQ about Insulator Voltage Distribution Detector
Q: What are the main application scenarios?
A: It is mainly used in live-line inspection of overhead transmission lines, insulator condition inspection, fault diagnosis, preventive maintenance, and laboratory testing.
