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There are many types of vacuum gauges, which can be divided into different types according to different classification standards. Today,
JSN will analyze the classification of vacuum gauges based on the different physical mechanisms used in the measurement principle:
Utilize mechanical properties: such as Bourdon gauge and film capacitance gauge. Among them, the Bourdon gauge is a vacuum gauge
that uses the stretching phenomenon of a thin copper tube under the action of gas pressure
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The best flow meter for measuring sewage
The best flowmeter for measuring sewage is the electromagnetic flowmeter.
Electromagnetic flow meters are generally suitable for conductive liquids with conductivity greater than 5 μS/cm, and can
measure suspended solids, solid particles, fiber slurry, pulp, mineral slurry, sewage and chemical conductive
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1. Basic knowledge of Magnetic flow meter
An mag flow meter is an instrument used to measure the flow of conductive liquids and slurries in closed pipes below 5 microsiemens
(Siemens: unit of conductivity). Its performance is not affected by properties such as corrosiveness, viscosity, pressure, density, acidity
and alkalinity of the medium. It can measure the flow of liquid, paste, slurry in water, wastewater, beverage, pharmaceutical, medical,
petrochemical, chemical,
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Gas mass flow meters are widely used in various scientific research experiments, industrial equipment, and high-precision instruments due to their ability to be equipped with various communication modes (analog, Modbus, DevicNet, EtherCAT and other industrial bus protocols), comparable standard data, high accuracy, precision, and repeatability, simple installation method, and good controllability.
There are three main principles applied by mainstream
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According to the different physical mechanisms used in the measurement principles of vacuum gauges, the main vacuum gauges can be
divided into three categories, namely those that utilize mechanical properties, those that utilize gas dynamic effects, and those that utilize
charged particle effects.
Vacuum gauges that utilize mechanical properties
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Vortex flow meter is a volume flow meter used to measure various flow parameters of liquid,gas steam and other media. It is mainly used in
medium measurement in industrial pipelines. It is designed based on the principle of vortex flow. It has a large range and high pressure.
Small loss, high measurement accuracy. During the flow measurement process, it is less affected by factors such as density, pressure, and
temperature. It requires little maintenance and has stable signal performance. It can work normally in an environment of minus 20 to 250
degrees Celsius. It has simulation It has two transmission methods: standard signal and digital pulse signal, and can be connected to the
supporting digital system through remote transmission. It is a modern flow meter.
Shanghai JSN Micro Flow Meter CO.,LTD as a high-tech industrial products manufacturing and complete sets of product sales, R & D, production, processing and sales as one, with independent import and export rights of enterprises.
The company's main flow meter, level meter, and pressure controller, temperature controller, analytical instruments and other various types of instrumentation. To solve all kinds of problems, and provide complete sales service for customers with professional technical point of view.
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