
Method for determination of loss tangent and permittivity of electrical insulating materials in sheet form (Lynch method).
NORMA vydaná dňa 30.1.1970
Označenie normy: BS 4542:1970
Dátum vydania normy: 30.1.1970
Počet strán: 12
Približná hmotnosť: 36 g (0.08 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS
Accuracy and range, description of the apparatus, the form of specimen, procedures to be followed and the necessary calculation for determination over a frequency range of 1 kHz to 100 kHz. Precautions are given for extending the range to 1 MHz. Supplements the Hartshorn and Ward method of BS 2067. Status: Confirmed