Direct acting indicating analogue electrical measuring instruments and their accessories - Specification for special requirements for wattmeters and varmeters
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Product Details
Descriptors
Varmeters
Working range
Grades (quality)
Marking
Electrical measuring instruments
Electric terminals
Electrical testing
Accessories
Wattmeters
Signal devices
Analogue signals
Errors
Overvoltage tests
ICS Codes
17.220.20 Measurement of electrical and magnetic quantities