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calibration test

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JW-0306A Clamp Meter Test Calibrator: The device is a single-phase 0.05 AC-DC standard source designed in accordance with JJG124-2005 Verification Regulation of Ammeters, Voltmeters, Wattmeters and Ohmmeters and the relevant national ...

JW-0303B Three-phase Multi-function Standard Meter: The core part of three-phase multi-function standard meter of class 0.05 is composed of high-precision power frequency AC collector using 32 bits DSP and 16 bits high-speed low power ...

JW-0302E Field Calibrator of Multi-function Electric Energy Meter: 1General Field calibrator of multi-function electric energy meter is a high-precision testing instrument developed and manufactured by our company with an integration of AC sampling electric ...

JW-0301A Comprehensive Calibration Unit for Transmitter: calibration. In the measurement of AC voltage, current, active power, its accuracy is 0.05 level; because the device is provided with a higher 60KHz working frequency digital to frequency converter ( ...

JW-0301AT AC / DC Meter &Amp; Transmitter Calibration Bench: General The verification platform consists of a programmable three-phase calibration source, a DC standard source, a 0.05 grade three-phase multi-function standard meter, and a computer with a ...

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JW-0306A Clamp Meter Test Calibrator