It is a loop powered, high-performance digital display. The maximum error is only 0.005% with up to 16 bits. It stands a measurement loop of the active device (Vmax = 30 V), which must be greater than the maximum voltage across the voltage drop (7V). Programming is possible via the front menu keys. Access can be controlled via passwords. It acquires signals 4-20 mA current. All parameters of the con-figuration and display can be set to any menu with access protected by password.