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The temperature and pressure compensation vortex flowmeter is mainly used for the flow measurement of industrial pipeline fluids, such as gas, liquid, vapor and other media. It is characterized by small pressure loss, large measuring range, and high accuracy. It is hardly affected by fluid density, pressure, temperature, viscosity and other parameters when measuring volume flow under working conditions. There are no movable mechanical parts , so the reliability is high and the maintenance is small. The instrument parameters can be stable for a long time. This instrument adopts piezoelectric stress sensor, which has high reliability and works in the working temperature range of -10ºC~+300ºC . There are analog standard signals and digital pulse signal output, which is easy to use with digital systems such as computers.
The temperature and pressure compensation type vortex flowmeter as a flowmeter needs to detect the mass flow in the material balance and energy measurement. At this time, the output signal of the flowmeter should monitor the volume flow and fluid density at the same time. The physical properties and components of the fluid still have a direct effect on the flow measurement. Impacted.
The vortex flowmeter is a new type of flowmeter for fluid flow measurement in closed pipelines based on the Karman vortex principle. Because of its good media adaptability, it can directly measure the volume flow of steam, air, gas, water, and liquid without temperature and pressure compensation. Equipped with temperature and pressure sensors, it can measure the volume flow and mass flow under standard conditions, which is throttling. The ideal substitute product of type flowmeter .
The temperature and pressure compensation function is also integrated in the meter body, which can measure the standard volume flow or standard mass flow of the fluid.
Fully intelligent and digital circuit design , which can automatically compensate the density of the measured fluid or volume calculation under standard conditions.
Brand-new digital filtering and correction functions make flow measurement more accurate and reliable.
Battery-powered type can work continuously for more than two years without external power supply .
Brand new dot matrix LCD display of Chinese characters, making it more convenient to use and operate.
In practical applications, the large flow is often far below the upper limit of the instrument. With the change of load, the small flow is often lower than the lower limit of the instrument. The instrument is not working in its normal working period. In order to solve this The problem is that the diameter at the measuring point is usually reduced to increase the flow velocity at the measuring point, and a smaller diameter instrument is used to facilitate the measurement of the instrument. However, this reducing method must have a straight pipe section with a length of 15D or more between the reducing pipe and the instrument. Rectification makes processing and installation inconvenient.
For ease of use, the battery-powered local display type vortex flowmeter adopts micro-power consumption high-tech. It can run for more than two years without interruption when powered by a lithium battery, which saves the procurement and installation costs of cables and display instruments . It can display instantaneous flow, Cumulative flow, etc. The temperature-compensated vortex flowmeter has the characteristics of no moving parts, large measurement range, reliable operation, high measurement accuracy , wide media adaptability, small pressure loss, simple structure, convenient installation and maintenance, and long-distance signal transmission. It is convenient. It can be used for the process measurement and energy saving management of various liquids, gases, steam and other single-phase fluids in petrochemical, metallurgy, textile, medicine, machinery, water supply, heating, thermoelectric, scientific research and other industries. Value and praise.
Measuring medium: gas, liquid, steam
Installation methods can be divided into: clamp, flange connection, clamp, thread, etc.
Flow measurement range The normal measurement range of flow velocity is Reynolds number 1.5×104~4×106;
Gas 5~50m/s; Liquid 0.5~7m/s
The temperature of the measured medium: normal temperature -25ºC~100ºC
High temperature -25ºC~150ºC -15ºC~300ºC
Accuracy grade : 1.0, 1.5
Turndown ratio: 8:1 12:1 30:1
Output signal pulse voltage output signal
The pulse duty cycle is about 50%, and the transmission distance is 100m
Pulse current remote transmission signal 4~20 mA, transmission distance is 1000m
Environmental temperature of the instrument: -25ºC~+55ºC Humidity: 5~90% RH50ºC
Material stainless steel, aluminum alloy
Power supply DC24V or lithium battery 3.6V
Explosion-proof grade : ia II CT1-CT6
Protection grade IP67
Detection amplifier circuit : interchangeable with different calibers and different media
What are the raw materials used?
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