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JW-0305 Single-phase AC & DC Meter Calibration Device: 1. The device is composed of single-phase AC standard voltage source and standard current source as well as DC standard voltage source and standard current source which enable output. 2. It ...

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-0301B AC Sampler & Transmitter Calibration Device: 1 General This instrument is an integrated 3 phase 0.05 grade device designed according toQ/GDW1899-2013 Verification Regulation calibration specification of AC Sampling Electrical Measuring ...

JW-0301A Comprehensive Calibration Unit for Transmitter: 1 General This instrument is an integrated 3 phase 0.05 grade device designed according to JJG124-2005 Verification Regulation of Ammeters, Voltmeters, Wattmeters and Ohmmeters and JJG126-95 ...

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-0305 Single-phase AC & DC Meter Calibration Device