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BETA-LUGB Vortex flowmeter with temperature & pressure compensation

โพสต์เมื่อ : 12 ม.ค 2565 เวลา 6:37 น.

BETA-LUGB Vortex Flowmeter With Temperature & Pressure Compnsation

BETA-LUGB 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.

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Pipe diameter	DN10-DN500
Accuracy	1.0% 1.5%
Range Ratio	IP65

Wafer connection	DN10-DN500(priority PN2.5MPa)
Flange connection	DN10-DN80(priority PN2.5MPa）DN100-DN200(priority PN1.6MPa）DN250-DN500(priority PN1.0MPa）
Accuracy	1.5%, 1.0%
Range Ratio	8:1
Medium Temperature	-20°C ~ +150°C、-20°C ~ +260°C、-20°C ~ +320°C、-20°C ~ +420°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	Stainless stell

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:
f=(St*V)/c*D

BETA-LUGB Vortex flowmeter with temperature & pressure compensation

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