Method for determination of loss tangent and permittivity of electrical insulating materials in sheet form (Lynch method)
This British Standard describes the Lynch method for the determination of the loss tangent and the permittivity of insulating materials at frequencies of 1 kHz to 100 kHz at normal room temperatures. It gives details of the apparatus and of the procedure to be followed.
The frequency range can be extended downward to 50 Hz unless the surface resistivity of the specimen is low (e.g. 1010 Ω). It can be extended upward to 1 MHz by taking the precautions suggested in Clause 6 and in Appendix A.
| SDO | BSI: British Standards Institution |
| Document Number | 4542 |
| Publication Date | Jan. 30, 1970 |
| Language | en - English |
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| Committee | GEL/15 |
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