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16.4-ft (5-m) PVC extension cable.
This integrated ultrasonic flowmeter is designed for noninvasive flow measurement of high-purity fluids found in the semiconductor and chemical industries. Flow is sensed by two piezoelectric transducers mounted at both ends of the measuring path of the fluid stream, generating and receiving an ultrasonic wave. The wave going in direction of the flow (with-stream wave) is accelerated and the wave going against (against-stream wave) the flow direction is slowed down. The two waves are processed by a signal converter. The difference of the transmit time of both waves is proportional to the velocity of the fluid.
The flowmeter consists of a 3/8” (9.5 mm) PFA tube (9.52 mm OD, 6.38 mm ID), a flow sensor, and an integrated converter with a digital signal processor (DSP) containing special algorithms, which increase the robustness of the measurement against bubbles. Simple, compact design features one connection cable, an analog and digital output, a two-wire RS-485 bus to communicate with a computer, high/low LED alarm indicators, LED flow indicator, and zero adjustment activation button.
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