Description
Cost-Effective Temperature Measurement
An optional Pt1000 RTD sensor integrated into the bluff body provides direct measurement of liquid temperature without requiring additional probes or fittings. Temperature information is transmitted as a resistance signal. Flow is provided as either a digital pulse, 4-20 ma current or as 0–10 VDC based on model selection.
How It Works
As liquid flows around a bluff body inside the flow channel, swirling vortices are formed and carried downstream at the velocity of the flowing liquid. Alternating localized high- and low-pressure zones characteristic of a vortex stream are detected by a piezoelectric crystal that produces a small pulse each time a vortex passes the sensor element. The number of vortices formed is directly proportional to the linear velocity of the liquid passing through the instrument.
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