The Mescon P-21 series is a unique PC-Programmable 2-wire transmitter family using Mescon's Just-PC™ Technology. The units feature a state of the art micro-processor design which enables complete input configuration using the MesConfigurator™, user-friendly configuration software and Graphic user Interface. The need for power supply, calibrators, jumpers, screw-drives, wires and hand-held programmers has been eliminated. The P-21 also features an optional LCD digital display for continuous indication of the measured process variable. Other Just-PC™ Technology instruments are available for thermal-head, field mounted and high density DIN rail applications.