Lascar dpm 942 series 35 digit lcd current loop meters lascar dpm 942 fpsi this 35 digit lcd current loop meter is a high accuracy panel mounting unit that gives a zero corrected indication of a 4 to 20ma loop current the meter features a dual colour backlight with programmable status indication where a threshold can be set so that a different colour backlight is displayed when the threshold is passed a function that is ideal for quick and easy status monitoring lascar dpm 942 fpsi 35