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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-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: automatically 48 wiring ways when it’s three-phase three-wire. 4. Split type transformer can be used for measurement in current circuit, and the measurement can be made without disconnection of ...

JW-0301B AC Sampler & Transmitter Calibration Device: automatic or manual calibration to the basic errors of AC sampling electrical measuring equipment (including measurement of voltage, current, power, frequency, phase,power factor, etc), and measure ...

JW-0301A Comprehensive Calibration Unit for Transmitter: automatic or manual calibration to the basic errors for various kinds of industrial-frequency electric meter (voltmeter, ammeter, wattmeter, cymomer and power factor meter), and measure the variables ...

JW-0301AT AC / DC Meter &Amp; Transmitter Calibration Bench: automatic verification, and the verification report according with the regulation requirement is given. Main functions & features 1 1. The device can calibrate 0.2 level (0.1 level) and following AC ...

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JW-0306A Clamp Meter Test Calibrator