SUP-LUGB Vortex flowmeter without temperature & pressure compensation

SUP-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.

Features

Pipe diameter: DN15-DN300

Accuracy: 1.0%  1.5%

Range Ratio:  1:8

Ingress protection: IP65

 

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  • 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.

Kármán vortex street

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=StV/d

In the formula:
f – Karman vortex frequency generated at one side of bluff body (Hz)
St – strouhal number (non-dimensional number)
V – average speed of fluid (m/s)
d – width of bluff body (m)

  • Specification
 Product  Vortex flowmeter
 Model  SUP-LUGB
 Diameter nominal  DN15~DN300
 Installation

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

 Flange connection: DN15-DN50(priority PN2.5MPa);DN65-DN200(priority PN1.6MPa);DN250-DN300(priority PN1.0MPa)

 Accuracy  Gas without compensation: DN15-DN25--1.5%, DN32-DN200--1.0%, DN250-DN300--1.5%
 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
 Output signal  4-20mA
 Frequency  RS485 communication (Modbus RTU)
 Power supply

 24VDC±5%

 Li battery(3.6VDC)

 Ingress protection  IP65
 Body Materials  Stainless shell
 Display  128*64 dot matrix LCD

 

  • Description

  • Application

 

 

 

 

 

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