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JW0307 DC Standard Source: 1General JW–0307 DC standard source is designed for testing class 0.1 or below,DC voltage meter,current meter,power meter,and DC transducers. It can output voltage from 45mV to 1050V and current ...

JW-0302E Field Calibrator of Multi-function Electric Energy Meter: testing is easy. 2 Main Functions & Features It’s a high-precision testing instrument with an integration of verifcation of wave form distortion, unbalanced three-phase and other electric energy ...

JW-0301A Comprehensive Calibration Unit for Transmitter: errors for various kinds of industrial-frequency electric meter (voltmeter, ammeter, wattmeter, cymomer and power factor meter), and measure the variables caused by the effects of the voltage, ...

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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JW0307 DC Standard Source