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The VOAC7523H/7520H can measure two DC voltages in a single unit by means of 2-channel DC measurement inputs and dual display, contributing to space saving and reduced measurement man-hours.
The VOAC 7522H/7521H has only one input channel, but the dual display allows you to measure voltage and current, or voltage and frequency, in a single unit.
The VOAC7523H/7522H achieves a high resolution of 0.1μV DC voltage measurement and a wide bandwidth of up to 300kHz AC voltage measurement.