Airflow Sensing Elements
Pressure Sensing Elements
Differential Pressure Transducers
Analog Two Wire (4 to 20 mA)
DPT-4001 Loop Powered Differential Pressure Transducer
The DPT-4001 differential pressure transducer sensor operates on the capacitance principal and is capable of sensing ultra low differential pressures. In the capacitance cell, a very lightweight, responsive diaphragm deflects a small amount when pressure is applied. This deflection results in a change in capacitance, which is then detected and processed electronically into 4-20 mA output signal linear to the differential pressure.
DPT-4001 Tech Data Sheet
DPT Series Ordering Information
Theory of Operation
Airflow Measurement Accuracy
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