Year1
- 直径：
- 10-1000
- 材质：
- 304不锈钢
- 温度：
- -20-120
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Intelligent gas precession vortex flowmeter
> Overview
Intelligent gas precession vortex flowmeter It is a new type of gas flow meter developed by our company and has the leading level in China. This flowmeter integrates flow temperature and pressure detection functions and can automatically compensate for temperature, pressure and compression factors. It is an ideal instrument for gas measurement in petrochemical, electric power, metallurgy and other industries.
Main features of the product
No mechanical movable parts, not easy to corrode, stable and reliable, long life, no special maintenance required for long-term operation
Using 1-bit computer chip, high integration, small size , good performance, strong functions of the whole machine
The intelligent flow meter integrates the flow probe, microprocessor, pressure and temperature sensor into one,
It adopts a built-in combination to make the structure more compact and can directly measure the fluid flow pressure and temperature, and automatically real-time tracking compensation and compression factor correction
Using dual detection technology to effectively improve the detection signal strength and suppressing interference caused by pipeline vibration
Using domestic leading intelligent anti-seismic technology , effectively suppressing interference signals caused by vibration and pressure fluctuation
Using a Chinese character dot matrix display with many display digits, intuitive and convenient reading, and can directly display the volume flow rate under working conditions and the total volume flow rate under standard conditions. , as well as parameters such as medium pressure and temperature
Adopting technology
The parameters are easy to set, can be saved permanently, and can save historical data up to one year
The converter can output frequency pulses
~
Analog signal, and has
interface, which can be directly connected to the computer network, and the transmission distance can reach up to multiple physical parameters alarm output, the user can select one of them
Flow meter The meter head can be rotated
, and it is simple and convenient to install and use
With the company's type data collector, remote data transmission can be carried out through the Internet or telephone network
The pressure and temperature signals are used as sensors Input mode, strong interchangeability
The whole machine has low power consumption and can be powered by the internal battery or external power supply.
A variety of materials can measure special gases.
Working Principle
The flow profile of the flow sensor is similar to the profile diagram of a Venturi tube
. A set of spiral guide vanes is placed on the inlet side. When the fluid enters the flow sensor, the guide vanes force the fluid to produce a violent vortex flow. When the fluid enters the diffusion section, the vortex flow is affected by the backflow and begins to rotate twice, forming a gyroscopic vortex precession phenomenon. This precession frequency is proportional to the flow rate and is not affected by the physical properties and density of the fluid. The detection element can obtain good linearity within a wide flow range by measuring the secondary rotational precession frequency of the fluid. The signal is amplified, filtered and shaped by the preamplifier and converted into a pulse signal proportional to the flow rate, and then sent to the microprocessor together with detection signals such as temperature and pressure for integration processing, and finally the measurement results are displayed on the LCD screen
Instantaneous flow, accumulated flow and temperature and pressure data
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