Lascar dpm 750 series 35 digit lcd voltmeter module with backlight lascar dpm 750s bl this panel meter features a low drift bandgap reference circuit that ensures accurate readings over a wide temperature range a negative rail generator enables the meter to measure a signal referenced to its own power supply gnd led backlighting makes the meter easy to read in low light conditions the unit is supplied with a plastic mounting bezel and there is an additional bezel available 87 6380 that