CH569288A5CH230174ACH230174ACH569288A5CH 569288 A5CH569288 A5CH 569288A5CH 230174 ACH230174 ACH 230174ACH 230174 ACH230174 ACH 230174ACH 569288 A5CH569288 A5CH 569288A5
Authority
CH
Switzerland
Application number
CH230174A
Original Assignee
Landis & Gyr Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Landis & Gyr AgfiledCriticalLandis & Gyr Ag
Priority to CH230174ApriorityCriticalpatent/CH569288A5/xx
Priority to DE19742416330prioritypatent/DE2416330C2/de
Priority to FR7504843Aprioritypatent/FR2261533A1/fr
Publication of CH569288A5publicationCriticalpatent/CH569288A5/xx
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R21/00—Arrangements for measuring electric power or power factor
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R21/00—Arrangements for measuring electric power or power factor
G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R21/00—Arrangements for measuring electric power or power factor
G01R21/133—Arrangements for measuring electric power or power factor by using digital technique