True RMS Single Phase Digital Voltmeter 48x48mm, Aux supply 230V or 110V, CE and UL certified, 1 phase 2 wire systems, 3 digit LCD display with analog style bargraph
True RMS Single Phase Digital Voltmeter 48x48mm, Aux supply 230V or 110V, CE and UL certified, 1 phase 2 wire systems, 3 digit LCD display with analog style bargraph