Ultrosonic Flow Meter

Ultrosonic Flow Meter

Ultrosonic Flow Meter

Introduction

Ultrosonic Flow Meter for Flue Gas Application is to measure the flow rate of the gas;it can also calculate and output the volumeflow rate according to  the flow rate and the flue size;if you input the temperature and pressure of the flue gas,you can  calculate the flow rate under the standard condition.

Technology Principle The Ultrosonic Flow Meter  performs gas flow rate measurements by measuring the lag time of ultrasonic pulses; the transmitter/receiver probe is mounted on the side of the flue and is oriented at a certain angle to the direction of gas flow Features Integral two probes,a control and calculation unit,reserved a wealth of interfaces can be expanded to  different signal inputs and outputs,can meet the needs of different occasions under the application.
Specifications
Indicator Gas flow rate
Measurement Range 0-40m/s
Measurement Accuracy ±0.1m/s
Repetitiveness At V> 2 m/s: ± 1%; at V <2 m/s: ± 0.02m / s
T90time 30-300s;
Display Screen
liquid-crystal display Use to display the measurement variables and for setting the parameters
Install
Probe spacing mm 685
The inner diameter of the flue, m 0.7-8
Gas temperature, ℃ -20-+150
Installation Angle 30°~ 60°
Output Signal
analog output Analog output: 4 · 20 mA, load of 7500
RS485 The computer uses the serial port debugging program for parameter setting
Interface mode Optional: RS485, RS232 (custom)
Power Supply
working voltage 220V,AC,50Hz
power 200W
Ambient Condition
temperature range -20…+55℃
storage temperature -20…+70℃
levels of protection IP65
Material SS316L
Size
Measure pole length Basic length: 1290mm(0.8-3 m flue); weight: <10kg (other flue diameters can be customized)
main engine weight: 5kg
shielding gas Pressure: 0.1MPa; flow rate: 3-6L / MIN
Protect gas source box weight: 5kg
Material
 

The range of application of the system is as follows:

  • Process control engineering

Chemical plants, pharmaceuticals, grain and dairy industry processes.

Plastics processing and refining processes

  • Process measurement and emission monitoring

Utility plants, e.g. power plants and boiler emissions.

Waste treatment, e.g. waste incineration plant emissions.

Basic industries, e.g. chemical, iron and steel industries.

  • Flow measurement of ventilation, heating and air conditioning systems in agriculture and industry.

The transmit/receive probe consists of a piezoelectric ultrasonic generator and a receiver. The acoustic pulse and the direction of gas flow to form the angle α, the ultrasonic and gas flow direction countercurrent and downstream transmission time is determined by the angle α and the gas flow velocity v, the larger the difference between the ultrasonic transmission time, the faster the gas flow rate, temperature and pressure fluctuations can cause the ultrasonic propagation speed changes, but in this measurement method, does not affect the calculation of the gas flow rate.

The Ultrosonic Flow Meter for Flue Gas Application measures the flow rate of gases discharged from ducts, flues, exhaust gases and flues; it can be used in both pure and raw gases; i.e. in closed circuits as well as in open gas circuits.

Technology Principle

The Ultrosonic Flow Meter  performs gas flow rate measurements by measuring the lag time of ultrasonic pulses; the transmitter/receiver probe is mounted on the side of the flue and is oriented at a certain angle to the direction of gas flow

Features

Integral two probes,a control and calculation unit,reserved a wealth of interfaces can be expanded to  different signal inputs and outputs,can meet the needs of different occasions under the application.

Specifications
Indicator Gas flow rate
Measurement Range 0-40m/s
Measurement Accuracy ±0.1m/s
Repetitiveness At V> 2 m/s: ± 1%; at V <2 m/s: ± 0.02m / s
T90time 30-300s;
Display Screen
liquid-crystal display Use to display the measurement variables and for setting the parameters
Install
Probe spacing mm 685
The inner diameter of the flue, m 0.7-8
Gas temperature, ℃ -20-+150
Installation Angle 30°~ 60°
Output Signal
analog output Analog output: 4 · 20 mA, load of 7500
RS485 The computer uses the serial port debugging program for parameter setting
Interface mode Optional: RS485, RS232 (custom)
Power Supply
working voltage 220V,AC,50Hz
power 200W
Ambient Condition
temperature range -20…+55℃
storage temperature -20…+70℃
levels of protection IP65
Material SS316L
Size
Measure pole length Basic length: 1290mm(0.8-3 m flue); weight: <10kg (other flue diameters can be customized)
main engine weight: 5kg
shielding gas Pressure: 0.1MPa; flow rate: 3-6L / MIN
Protect gas source box weight: 5kg
Material

 

Measuring carbon dioxide (CO2) is important for understanding the role it plays in the environment and its effect on climate change. CO2 is a major component of Earth’s atmosphere, and it traps heat like a blanket, causing global temperatures to rise. Too m uch CO2 can lead to drastic changes in our weather patterns and ecosystems, so monitoring its levels is essential for predicting future climate conditions. Additionally, measuring CO2 can help us better understand our impact on the environment and make informed decisions about how to reduce emissions and slow down down down down down global warming. By analyzing CO2 data over time, we can develop strategies to mitigate the effects of climate change and ensure a sustainable future.

Before industrialization, the global average annual atmospheric carbon dioxide concentration was 278ppm (1ppm is one part per million). In 2012, the global annual average atmospheric carbon dioxide concentration was 393.1ppm. By April 2014 , the monthly average carbon dioxide concentration in the northern hemisphere atmosphere exceeded 400ppm for the first time. . 2. Global climate warming, the continuous aggravation of the atmospheric greenhouse effect leads to global climate warming, resulting in a series of global climate problems that cannot be predicted by today’s science. According to the International Climate Change Economics Report, if human beings maintain the current way of life, by 2100, there will be a 50% chance that the global average temperature will rise by 4°C.

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