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b1 Airflow Sensing Elements
b1 Pressure Sensing Elements
b1 Flow Transducers
b1 Differential Pressure Transducers
b1 Indicating Meters
b1 Calibration Tools
 
 
 
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.
b2
b2
 
 
 
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Theory of Operation
 
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Installation Guidelines
 
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Airflow Measurement Accuracy