Current loop measurement device CUB4 LP / CL - 4 20 mA, LCD, 15 mm character height. CUB4CL / LP devices are 3.5-digit mA process displays with zero point and scalable ranges Input can be 4 20 or 10 50 mA Self-supplied from this current loop Backlighting (with separate supply or from the current loop) further increases the legibility range