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Cable Partial Discharge Test System, High Precision Pd Detector

Cable Partial Discharge Test System, High Precision Pd Detector

HZ-9003C multifunctional partial discharge tester is used for on-line detection and location of partial discharge of HV equipment, which is designed based on our many years experiences in the partial discharge measuring fields.
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Product Details of Cable Partial Discharge Test System, High Precision Pd Detector

Product Introduction

We are guided by the company spirit of 'harmony, tolerance, unity, dedication, science, and innovation'. We will continue to provide high-quality SF6 Gas Analyzer, high voltage circuit breaker tester, dissolved gas content analyzer and excellent services to our customers at home and abroad, and develop simultaneously with our respected customers. Looking to the future, we will adhere to the mission of integrating global resources and creating a better future together, and devote ourselves to becoming a world-class enterprise. You can place an order and try it. If everything goes well, you can place a long-term order. We constantly improve the production process, improve work efficiency, reduce production costs and strive to let customers buy satisfactory products at a reasonable price. For the society, what we follow in our operation is the concept of serving both customers and ourselves, benefiting ourselves and others, and maintaining sustainable operation.

HZ-9003C Handheld Multifunctional Partial Discharge Tester

Overview

The HZ-9003C multifunctional partial discharge tester is designed for on-line detection and location of partial discharge in high-voltage equipment. It is developed based on our extensive experience in the field of partial discharge measurement.

Multifunctional Partial Discharge Tester

Multifunctional Partial Discharge Tester

Multifunctional Partial Discharge Tester

Multifunctional Partial Discharge Tester

System Overview

The system is equipped with composite TEV sensors, ultra-high frequency (UHF) sensors, high-frequency current transformers (HFCT), and high-sensitivity ultrasonic sensors to collect partial discharge signals from high-voltage equipment. It employs multilevel detection frequency reduction techniques to lower the discharge frequency of signals, while utilizing high-speed AD conversion circuits for signal digitization. Digital signal processing and adaptive filtering interference suppression methods ensure the reliability of test data.

By collecting various signals generated by partial discharge in different high-voltage equipment, the system enables rapid assessment of equipment operating status. The tester can be installed for online detection without affecting equipment operation, allowing workers to promptly evaluate switchgear cabinet conditions. This significantly improves equipment operational reliability, safety, and effectiveness.

System Components

The HZ-9003C includes:

  • Device host

  • Specialized partial discharge detection software

  • TEV sensor

  • Ultrasonic sensor (USS)

  • Ultrasonic concentrator (ELTW)

  • High-frequency current transformer (HFCT)

  • UHF sensor

  • Earphone and connecting cables

Technical Data

Composite TEV measurement

Sensor

Capacitive

Range

0~60dBmV

Resolution

1dB

Error

±1dB

Detection Bandwidth

5~70MHz

Pulse/Cycle maximum

655

Threshold adjustment range

3~57dB

High frequency current transformer

Detection Bandwidth

10kHz~30MHz

Signal transit mode

50Ω cable

Detection sensitivity

10pC

Ultrasonic concentrator

Measurement range

-7dBμV~68 dBμV

Resolution

1dB

Error

±1dB

Sensor sensitivity

-65dB (0dB = 1volt/μbar effective value SPL)

Sensor central frequency

20~50kHz

Sensor diameter

no more than 50mm

Heterodyne frequency

38.4kHz

Non - contact ultrasonic energy collector

Effective acceptance distance

30m

Sensor center frequency

40 kHz

Diameter of sensor

16mm

External diameter of parabolic reflector

275mm

Standard diameter of parabolic reflector

250mm

Weight

0.6kg

Ultrahigh frequency sensor

Detection bandwidth

300MHz~1.5GHz

Signal transit mode

50Ω cable

Detection sensitivity

1dB

Gain

>65dbm

Anti-interference Earphone Mic

Earphone Mic

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Having a positive and progressive attitude to customer's fascination, our organization constantly improves our solution high-quality to fulfill the requirements of shoppers and further focuses on safety, reliability, environmental prerequisites, and innovation of Wuhan Jfd-2000A Cable Partial Discharge Test System, High Precision Pd Detector. As one of the reliable supplier in China, We have keeping improved our management and technology level. We always focus on improving our quality. We believe our quality and service will bring success to each customer. We need not only to inherit the fine tradition of bearing hardships and stand hard work, but also vigorously promote the pioneering and innovative spirit of the times.

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