The 1594 Multiplexing Voltmeter is a UL Inter Wire Compliance Tester that brings flexibility and precise measurement to the production line. Low Cost/High Performance. Measures and displays true RMS or peak voltage as selected by user. Measurement range 1.5Vpk to 1500Vpk (1Vrms to 1000Vrms). Measurement accuracy better than 0.5% + 0.25V + 0.015%/kHz for AC. Graphics Display shows numerical results. PLC Printer output, IEEE488 interface