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Electric watt-hour meter testing device

Electricity: measuring and testing – Testing and calibrating electric meters
Patent

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Electrical energy meter having record of meter calibration data

Electricity: measuring and testing – Testing and calibrating electric meters
Patent

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Electrical energy meters having factory set calibration circuits

Electricity: measuring and testing – Testing and calibrating electric meters
Patent

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Electrically short air line for network analyzer calibration

Electricity: measuring and testing – Testing and calibrating electric meters
Patent

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Electricity meter and an input module for an electricity meter

Electricity: measuring and testing – Testing and calibrating electric meters
Reexamination Certificate

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Electricity meter with an additional computing module

Electricity: measuring and testing – Testing and calibrating electric meters
Reexamination Certificate

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Electronic calibrator

Electricity: measuring and testing – Testing and calibrating electric meters
Patent

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Electronic constant current and current pulse signal generator f

Electricity: measuring and testing – Testing and calibrating electric meters
Patent

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Electronic electricity meter configured to correct for...

Electricity: measuring and testing – Testing and calibrating electric meters
Reexamination Certificate

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Electronic power meter with phase and non-linearity...

Electricity: measuring and testing – Testing and calibrating electric meters
Reexamination Certificate

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Energizing devices for kilowatt hour meter displays

Electricity: measuring and testing – Testing and calibrating electric meters
Patent

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