Lascar dpm 2000 series 35 digit panel mount lcd voltmeter lascar dpm 2000s this panel mounting voltmeter is a high performance meter with an elegant appearance and low cost the module uses a bandgap reference for extra temperature stability this single rail version features a built in negative rail generator enabling the meter to measure a signal referenced to its own power supply 0v lascar dpm 2000s 35 digit lcd voltmeter