Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB38100/30A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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Filing date
Publication date
Application filed by British Thomson Houston Co LtdfiledCriticalBritish Thomson Houston Co Ltd
Publication of GB369254ApublicationCriticalpatent/GB369254A/en
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R19/02—Measuring effective values, i.e. root-mean-square values
G01R19/03—Measuring effective values, i.e. root-mean-square values using thermoconverters
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Soft Magnetic Materials
(AREA)
Abstract
An alloy, the magnetic permeability of which decreases with increase of temperature, is composed of 66,5 per cent of nickel, 30 per cent of copper and 2,2 per cent of iron.
GB38100/30A1929-12-191930-12-17Improvements in and relating to electric measuring instruments
ExpiredGB369254A
(en)