Rotary switch PV value to zero, clockwise increases, counterclockwise decreases, can be adjusted lu A, but also a wide range of adjustment.
Powerful interface functions not need communicator, to ensure good interactivity.
Digital LCD meter can display pressure, temperature, current three kinds physical quantity and 0-100% analog indication.

without standard pressure source,key operation can easily realize active migration, passive migration,range damping parameters setting,in the absence of communicator calibrate range and restore data to the transmitter.