DO30-III multifunctional calibrator

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DO30-III multifunctional calibrator


The DO30-3 multifunctional calibrator (hereinafter referred to as the calibrator) has a six-digit LCD screen to digitally display output value, error of the meter under inspection, output percentage, full scale value of the meter under inspection, step value, frequency and other parameters. AC and DC voltage and current calibration sources. There is also a 22-level standard resistor set to facilitate calibration of multimeter resistance levels. Equipped with RS232 interface to realize automatic data processing function.