Status-DM720-4-to-20m A-Loop-Powered-Process-Display-Status-Instruments-DM720-This-loop-powered-display-is-designed-to-connect-in-series-with-a-4-to-20m A-current-loop-&-display-the-input-value-in-engineering-units-The-unit-has-a-10mm-4-digit-display-&-the-range-is-easily-programmed-using-the-accessible-push-buttons-Status-DM720-4-to-20m A-Loop-Powered-Process-Display