PD100 Pressure Transmitter with high reliability for HVAC, Boiler Rooms, Pump Stations, Water Supply Systems and Heating The Akytec PD100-G-010B-2-7 Pressure Transmitter is a precision pressure sensor for measuring pressure up to 10 bar with high accuracy. The pressure to be measured is delivered as a standard 4–20 mA output signal with 0.25 accuracy, so even small changes in pressure are precisely registered.