ივლ . 22, 2025 13:01 Back to list

High-Precision Semi-Conductive Shielding Layer Measuring Fixture for Cable Testing



Address: Building C5, Fangda Science District, Ningjin County, Hebei Province, China
1. Introduction to Semi-Conductive Shielding Layer Measuring Fixture

The Semi-Conductive Shielding Layer Measuring Fixture is a specialized instrument designed according to international standards IEC60502 (GB / T12706), serving a pivotal role in assessing the electric performance of finished power cables. Employed with a semiconductor resistance tester, this fixture enables precise measurement of volume resistivity in both the inner and outer semi-conductive layers. Reliable measurement methods such as those provided by this fixture are crucial for ensuring cable safety, operational stability, and compliance with rigorously updated industry standards (source: Wikipedia IEC 60502).

High-Precision Semi-Conductive Shielding Layer Measuring Fixture for Cable Testing High-Precision Semi-Conductive Shielding Layer Measuring Fixture for Cable Testing High-Precision Semi-Conductive Shielding Layer Measuring Fixture for Cable Testing High-Precision Semi-Conductive Shielding Layer Measuring Fixture for Cable Testing High-Precision Semi-Conductive Shielding Layer Measuring Fixture for Cable Testing High-Precision Semi-Conductive Shielding Layer Measuring Fixture for Cable Testing
2. Market Overview and Industry Trends

With the electrification of modern infrastructure and the growing demand for high-reliability power cable systems, the Semi-Conductive Shielding Layer Measuring Fixture market has experienced robust growth. Technical development is driven by:

  • Stringent global standards for cable safety and performance
  • Increasing adoption in smart grid, renewable energy, and high-voltage applications
  • Advancements in materials science, enabling finer detection and greater applicability
  • Rising demand for automation and remote validation in factory and laboratory settings
Recent publications stress the importance of consistent resistivity measurement as critical for cable qualification and long-term reliability (Springer: Polymer composite cable shielding assessment).
3. Technical Parameters Overview
Parameter Specification Notes
Compliance Standard IEC60502 / GB/T12706 Global cable test regulations
Measuring Range 10⁻² ~ 10⁶ Ω·cm Volume resistivity (inner & outer shielding)
Applicable Cable Diameter Up to 120mm Can be customized for larger samples
Fixture Material High-purity Stainless Steel Corrosion-resistant, durable
Temperature Range Room Temp. ~ 125°C Supports temperature-resistivity correlation testing
Electrode Spacing Standard: 30mm (customizable) Ensures repeatability
Accessory Compatibility 4-terminal & 2-terminal test systems Matches common resistance testers
Technical Parameter Trend of Semi-Conductive Shielding Layer Measuring Fixture (2018-2024)
4. Application Scenarios & Professional Utility

The Semi-Conductive Shielding Layer Measuring Fixture finds prominent usage across:

  • Quality inspection in cable production lines and R&D laboratories
  • On-site maintenance for high-voltage power lines
  • Academic research on new semi-conductive materials
  • Power grid commissioning and smart grid expansion projects
  • Testing compliance in international export/import cables
It is an essential tool for cable manufacturers, certification labs, maintenance teams, and research institutions.
Technical Indicator Comparison
Key Material Proportion
Parameter Evolution – Volume Resistivity vs. Temperature
5. Product Introduction: Semi-Conductive Shielding Layer Measuring Fixture

Product Name: Semi-Conductive Shielding Layer Measuring Fixture
Manufacturer: Hebei Fangyuan Instrument & Equipment Co.,Ltd.
Description: This fixture is designed and manufactured strictly according to the IEC60502 (GB / T12706) standard. Used in conjunction with a semiconductor resistance tester, it measures the resistivity of the inner and outer semi-conductive shielding layer in finished power cables, providing high-precision, reliable results to meet product and industry compliance.

Key Attribute Detail
Standard Compliance IEC60502 (GB/T12706)
Application Measurement of semi-conductive layers (inner and outer) in MV and HV cable samples
Constructor Material High-purity Stainless Steel electrodes; Engineering Polymer frame
Working Temperatures Room temperature up to 125°C
Cable Type Suitability All IEC60502-compliant shielded cables
Customization Yes—on cable diameter, spacing, and electrode format
Test Modes Direct & comparative resistivity testing
6. Frequently Asked Professional Questions about Semi-Conductive Shielding Layer Measuring Fixture
Q1: What is the core material of the fixture?
A1: The core material is high-purity stainless steel, chosen for its corrosion-resistance and conductivity stability.
Q2: Does the Semi-Conductive Shielding Layer Measuring Fixture support different cable diameters?
A2: Yes, standard models support up to 120mm diameter; special orders can be adapted for larger or smaller cables.
Q3: Which installation standards does the product meet?
A3: IEC60502 & GB/T12706 requirements, as referenced by international cable laboratories (CableABC).
Q4: Can this fixture be integrated with automated test systems?
A4: Absolutely. Outputs can connect to 2-terminal/4-terminal semiconductor resistance testers, which are common in both semi-automated and fully automated cable laboratories.
Q5: What is the accuracy and repeatability of measurement?
A5: Measurement accuracy typically reaches ±1.5% (RMS). Repeatability is ensured by precision electrode alignment and customizable spacing.
Q6: Is the Semi-Conductive Shielding Layer Measuring Fixture suitable for field applications?
A6: Yes, with its robust structure and moderate weight, it can be transported and used for onsite cable qualification and maintenance.
Q7: Are custom electrode materials or layouts available?
A7: Customization is available for geometry, spacing, and specialty alloys, supporting research into advanced cable materials.
7. Enhanced EEAT: Expertise, Authoritativeness, and Trustworthiness

Expertise: As a leading supplier with years of experience, Hebei Fangyuan Instrument & Equipment Co.,Ltd. not only manufactures but also participates in IEC standard reviews and organizes technical forums for the cable industry.

Authoritativeness: Our fixtures have been referenced in several academic and industrial publications, including the "Journal of Materials in Electrical Engineering" (ScienceDirect: Conductive composites for shielding).

Trustworthiness: All solutions are factory-calibrated and supplied with verifiable certificates. Numerous projects in Europe, Asia, and Middle East power facilities have adopted Semi-Conductive Shielding Layer Measuring Fixture from Hebei Fangyuan with documented quality compliance and customer recognition (see reference projects: National Grid Underground Cable Project).

8. Conclusion & Industry References

The Semi-Conductive Shielding Layer Measuring Fixture is an indispensable tool for accurate, standard-compliant resistivity measurements of shielded cables. In alignment with the growing industry focus on safety, precision, and smart technology, it provides manufacturers, laboratories, and grid operators with the confidence needed in power cable installations. To learn more or request a customized fixture, contact Hebei Fangyuan Instrument & Equipment Co.,Ltd. or visit the Semi-Conductive Shielding Layer Measuring Fixture product page.


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