The Lascar DPM 742-BL gives an accurate, zero adjusted indication of a 4-20 mA current. Calibration is by two multi-turn potentiometers which allow sensitive adjustment of the instrument over a very wide range. Decimal points are jumper link selectable. A low drift bandgap reference circuit ensures accurate readings over a wide temperature range. LED backlighting of The Lascar DPM-742-BL ensures excellent readability under low light conditions. Connection is via screw terminals. This module is supplied with a plastic mounting bezel. A waterproof seal to IP67 / NEMA 4X is achievable, using the optional BEZ 700-IP metal bezel. This is a popular part, normally stocked in high quantity and suitable for new designs.