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Vortex flowmeter wafer installation

Vortex flowmeter work on the principle of generated vortex and relation between vortex and flow by theory of Karman and Strouhal, which specialize in measurement of steam, gas and liquid of lower viscosity.

Measuring principle

A fluid flowing with a certain velocity and passing a fixed obstruction generates vortices. The generation of vortices is known as Karman’s Vortices.The frequency of vortex shedding is a direct linear function of fluid velocity and frequency depends upon the shape and face width of bluff body. Since the width of obstruction and inner diameter of the pipe will be more or less constant, the frequency is given by the expression:



Wafer connection: DN15-DN300(priority PN2.5MPa)

Accuracy:1.5%, 1.0%

Range Ratio:Gas density:1.2kg/m3, Range ratio: 8:1

Medium Temperature:-20°C ~ +150°C、-20°C ~ +260°C、-20°C ~ +300°C

Power Supply:24VDC±5%    Li battery(3.6VDC)

Output signal:4-20mA

Frequency:RS485 communication (Modbus RTU)

Ingress protection:IP65

Body Materials:Stainless stell

Display :128*64 dot matrix LCD


Noted: the product strictly prohibited to be used in explosion-proof occasions.


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