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My company steam flow meter characteristics and detailed introduction

  • April 7,2020.

I. steam flow meter concept:

Steam flowmeter without moving parts, high reliability, long - term operation is very reliable.Simple installation and easy maintenance.The detection sensor does not directly contact the measured medium, stable performance, long life.Output is proportional to the flow pulse signal, no zero drift, high precision.Wide measuring range, range ratio up to 1:10.Low pressure loss, low operating cost, more energy saving significance.In a certain Reynolds number range, the frequency of the output signal is not affected by the changes in the physical properties and components of the fluid, and the instrument coefficient is only related to the shape and size of the vortex body.Wide application range, steam, gas, liquid flow can be measured.The period of verification is two years.

II. Characteristics of steam flowmeter:

Temperature range: piezoelectric -40℃ ~ 350℃ capacitance -60℃~ 450℃

Pressure specification: pn1.6mpa;PN2.5 Mpa;Pn4.0mpa, higher pressure specification can be customized

● range: normal range of 1:10 extended range of 1:15

● pressure loss coefficient: Cd≤2.6

System measurement accuracy: ±1% of liquid and gas indication

±1.5% of the steam indication

The value of the insertion flowmeter is ±2.5%

Supply voltage: sensor +12VDC or +24VDC transmitter +24VDC

The on-site display instrument comes with 3.6v lithium battery

Output signal: sensor pulse frequency signal 0.1 ~ 3000Hz low level ≤1V high level ≥6V

Transmitter two - wire system 4-20mA.DC current signal

● allowable vibration acceleration: piezoelectric ≤0.2g capacitance ≤1.0g

Ambient temperature: sensor -30℃~ 65℃

Transmitter, field display -10℃~ 50℃

● environmental humidity: relative humidity 5 ~ 85%

● signal distance: ≤500m

● signal line interface: internal thread M20×1.5

● straight pipe length: upstream ≥10D downstream ≥5D

Low level of explosion-proof (ia) Ⅱ CT2 - T5 safety explosion-proof

● protection class: ordinary IP65 submersible IP68

● instrument material: the instrument shell is made of aluminum alloy, and the table part is made of 304 stainless steel.

III. Flow range of steam flowmeter:

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