Bottom price Compressed Air Flow Meter - SUP-LUGB Vortex flowmeter without temperature & pressure compensation – Sinomeasure
Bottom price Compressed Air Flow Meter - SUP-LUGB Vortex flowmeter without temperature & pressure compensation – Sinomeasure Detail:
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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.
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)
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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)
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Accuracy
Gas without compensation: DN15-DN25–1.5%, DN32-DN200–1.0%, DN250-DN300–1.5%
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Range Ratio
Gas density:1.2kg/m3, Range ratio: 8:1
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Medium Temperature
-20°C ~ +150°C、-20°C ~ +260°C、-20°C ~ +300°C
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Power Supply
24VDC±5%
Li battery(3.6VDC)
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Output signal
4-20mA
Frequency
RS485 communication (Modbus RTU)
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Ingress protection
IP65
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Body Materials
Stainless stell
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Display
128*64 dot matrix LCD
Noted: the product strictly prohibited to be used in explosion-proof occasions.
Product detail pictures:
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Our growth depends to the superior products ,great talents and repeatedly strengthened technology forces for Bottom price Compressed Air Flow Meter - SUP-LUGB Vortex flowmeter without temperature & pressure compensation – Sinomeasure , The product will supply to all over the world, such as: California, Jeddah, Israel, Today, We are with great passion and sincerity to further fulfill our global customers' needs with good quality and design innovation. We fully welcome customers from all over the world to establish stable and mutually beneficial business relationships, to have a bright future together.
By Jean Ascher from United States - 2018.11.02 11:11
Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
By Anna from Moscow - 2018.10.31 10:02