Lascar dpm 942 series 35 digit lcd current loop meters lascar dpm 942 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 calibration via two 20 turn cermet potentiometers enabling sensitive adjustment of the meter the unit is housed in a robust carrier which can either be bolted in place or panel mounted using the low profile bezel supplied lascar dpm 942 35 digit lcd current