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GB/T 31838.4-2019Solid insulating materials -- Dielectric and resistive properties -- Part 4: Resistive properties (DC methods) -- Insulation resistance (English PDF)

固体绝缘材料介电和电阻特性第4部分：电阻特性(DC方法) 绝缘电阻

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

June 4, 2019

Implementation date

January 1, 2020

Scope

GB/T 31838.4-2019 is the English-translated version of 固体绝缘材料介电和电阻特性第4部分：电阻特性(DC方法) 绝缘电阻.

GB/T 31838.4-2019 is the Chinese standard "Solid insulating materials -- Dielectric and resistive properties -- Part 4: Resistive properties (DC methods) -- Insulation resistance".

Its scope clause reads: This part of GB/T 31838 specifies the test method for determining the insulation resistance of solid insulating materials under DC voltage. Its clauses include terms and definitions.

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Document preview — GB/T 31838.4-2019

National Standard of the People's Republic of China

ICS: 29.035.01
Classification: K 15

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 meaning
5 Test method
6 Test report
7 Repeatability and reproducibility

1 Scope

This part of GB/T 31838 specifies the test method for determining the insulation resistance of solid insulating materials under DC voltage.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

Standard conditions for IEC 60212 solid insulation materials used before and during testing (Standard conditions for useprior

Toandduringthetestingofsolidelectricalinsulatingmaterials)

IEC 60216-4-1 Thermal insulation of electrical insulating materials - Part 4-1. aging oven, single-chamber oven (Electricalinsulating materials-Thermalenduranceproperties-Part 4-1.Ageingovens-Single-chamberovens)

ISO 2339 taper pin is not hardened (Taperpinsunhardened)

ISO 3465 Hand Taper Pin Reamer (Handtaperpinreamers)

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Electrode device

Two conductor devices in contact with the surface of the test sample.

3.2 Conical pin electrode

An electrode device using a tapered pin electrode.

Note. The schematic diagram of the tapered pin electrode is shown in Figure 1. […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 60212 · IEC 60216 · ISO 2339 · ISO 3465

Cited by

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