thermal gas mass flow meter working principle
The thermal flowmeter is a flow meter designed based on the principle of thermal diffusion. That is, when the fluid flows
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Electromagnetic flow meter flow transmitter is an instrument that measures the flow rate of conductive fluid based on the electromotive force induced when
the conductive fluid passes through an external magnetic field. The main components of the sensor are: measuring tube, electrode, excitation
coil, iron core and yoke shell. The product is mainly used to measure the volume flow in conductive liquids and slurries in closed pipelines,
including highly corrosive liquids such as acids, alkalis, and salts.
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The thermal gas flowmeter is designed according to the principle of thermal diffusion, and the instrument uses the constant temperature
difference method to accurately measure the gas. It has the advantages of small size, high degree of digitization, convenient installation and
accurate measurement.
Technical advantages
1. The gas flow measurement of the real mass flow meter does not require temperature and pressure compensation, and the measurement is
convenient and accurate. available gas
Body weight flow or standard volume flow.
2. The thermal gas flow meter has a wide range ratio, can measure gas with a flow rate as high as 120Nm/s and as low as 0.1Nm/s, and can be
used for gas leak detection.
3. Compared with general measuring equipment, Kunke thermal gas flowmeter has good shock resistance and long service life. The sensor has
no moving parts and pressure sensing parts, and is not affected by vibration on measurement accuracy.
Professional Metering Adhesive Glue Gear Metering Pump
The biggest problem faced by adhesive users is whether the spray can be even. Reciprocating pumps, such as diaphragm or plunger pumps,
generate fluid flow that varies in both pressure and flow. To make up for this, it is necessary to fully spray the target area with more adhesive.
Excessive spraying will lead to additional waste of materials and increase manufacturing costs.
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In oil extraction, different flowmeters will be used according to the actual situation, so today I will introduce the working principle and
characteristics of oilfield flow meters
1. Velocity flowmeter. The flow meter that directly measures the liquid flow rate of the full pipe flow in a closed pipe through various physical
phenomena, and further calculates the flow rate is a velocity flow meter. It mainly includes turbine flow meter, vortex flow meter, ultrasonic
flowmeter, etc. It is characterized by high precision (up to 0.5 grade)
The vortex flowmeter is a volume flowmeter, that is, the fluid Reynolds number is within a certain range, and its output is only proportional to the volume flow. The output of the vortex flowmeter has a frequency signal and an analog signal, and the analog output is obtained by f/I conversion on the basis of the frequency output. There is about a 0.1% loss of accuracy in this conversion. Therefore, when used to measure steam flow, users prefer to use frequency output.
1
Several other reasons why the frequency output vortex flowmeter is more popular with users such as heating companies are as follows.
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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