Pressure transmitters MF-P ver 3 Description The MF-P ver 3 is a pressure transmitter designed for measuring of low positive, negative and differential pressure in air-handling and ventilation systems where low pressure measuring is needed. MF-P ver 3 replaces earlier models of MF-P Functions - Output signal in Volt and mA - Simple One-Key zero-setting - Two selectable measuring ranges, full range or half range - Selectable damping - Calibration certificate attached