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This range includes four voltmeters, each with a full-scale reading of ±200mVd.c., and a loop powered 4-20mA meter. The LCD voltmeter series uses a 5V or 9Vd.c. supply @ 350µA (typ.) while the LED voltmeter uses a 5Vd.c. supply #50mA (typ.) Each voltmeter has a single-in-line connection. The DPM 342 has screw terminals.