Water Flow Measurement

Flow meters are essential tools in various industries for measuring the flow rate of liquids or gases. One common type of flow meter is the velocity flow meter, which measures the velocity of the fluid directly to determine the flow rate. There are several types of velocity flow meters available, each with its own advantages and limitations.

One of the most commonly used velocity flow meters is the electromagnetic flow meter. This type of flow meter works on the principle of Faraday’s law of electromagnetic induction. As the conductive fluid flows through the meter, it generates a voltage that is proportional to the flow velocity. The electromagnetic flow meter is highly accurate and can measure flow rates in a wide range of applications, including water and wastewater treatment, chemical processing, and Food And Beverage production.

Another type of velocity flow meter is the ultrasonic flow meter. This meter uses ultrasonic waves to measure the velocity of the fluid. By transmitting ultrasonic pulses through the fluid and measuring the time it takes for the pulses to travel upstream and downstream, the flow rate can be calculated. Ultrasonic flow meters are non-intrusive and can be used in a wide range of applications, including water and wastewater treatment, oil and gas production, and HVAC Systems.

Doppler flow meters are another type of velocity flow meter that measures the velocity of the fluid by analyzing the frequency shift of reflected ultrasonic waves. This type of flow meter is commonly used in applications where the fluid contains particles or bubbles that can reflect the ultrasonic waves. Doppler flow meters are ideal for measuring flow rates in dirty or aerated liquids, such as wastewater treatment plants and industrial processes.

Turbine flow meters are velocity flow meters that use a rotating turbine to measure the velocity of the fluid. As the fluid flows through the meter, it causes the turbine to rotate at a speed proportional to the flow velocity. The rotation of the turbine is then converted into a flow rate measurement. Turbine flow meters are commonly used in applications where high accuracy and repeatability are required, such as in the oil and gas industry, chemical processing, and water distribution systems.

Vortex flow meters are another type of velocity flow meter that measures the velocity of the fluid by detecting the vortices created as the fluid flows past a bluff body. The frequency of the vortices is proportional to the flow velocity, allowing for accurate flow rate measurements. Vortex flow meters are ideal for measuring flow rates in steam, gas, and liquid applications, such as in power plants, HVAC systems, and industrial processes.

CCT-3300
Constant	10.00cm-1	1.000cm-1	0.100cm-1	0.010cm-1
Conductivity	(500\\\\\\\\\\\\\\\\uff5e20,000)	(1.0\\\\\\\\\\\\\\\\uff5e2,000)	(0.5\\\\\\\\\\\\\\\\uff5e200)	(0.05\\\\\\\\\\\\\\\\uff5e18.25)
	\\\\\\\\\\\\\\\\u03bcS/cm	\\\\\\\\\\\\\\\\u03bcS/cm	\\\\\\\\\\\\\\\\u03bcS/cm	M\\\\\\\\\\\\\\\\u03a9\\\\\\\\\\\\\\\\u00b7cm
TDS	(250\\\\\\\\\\\\\\\\uff5e10,000)	(0.5\\\\\\\\\\\\\\\\uff5e1,000)	(0.25\\\\\\\\\\\\\\\\uff5e100)	\\\\\\\\\\\\\\\\u2014\\\\\\\\\\\\\\\\u2014
	ppm	ppm	ppm
Medium Temp.	(0\\\\\\\\\\\\\\\\uff5e50)\\\\\\\\\\\\\\\\u2103\\\\\\\\\\\\\\\\uff08Temp. Compensation : NTC10K\\\\\\\\\\\\\\\\uff09
Resolution	Conductivity: 0.01\\\\\\\\\\\\\\\\u03bcS/cm\\\\\\\\\\\\\\\\uff1b0.01mS/cm
	TDS: 0.01ppm
	Temp.: 0.1\\\\\\\\\\\\\\\\u2103
Accuracy	Conductivity:1.5%\\\\\\\\\\\\\\\\uff08FS\\\\\\\\\\\\\\\\uff09
	Resistivity: 2.0%\\\\\\\\\\\\\\\\uff08FS\\\\\\\\\\\\\\\\uff09
	TDS:1.5%\\\\\\\\\\\\\\\\uff08FS\\\\\\\\\\\\\\\\uff09
	Temp:\\\\\\\\\\\\\\\\u00b10.5\\\\\\\\\\\\\\\\u2103
Analog Output	Single isolated(4\\\\\\\\\\\\\\\\uff5e20)mA\\\\\\\\\\\\\\\\uff0cinstrument/transmitter for selection
Control Output	SPDT relay\\\\\\\\\\\\\\\\uff0cLoad Capacity: AC 230V/50A(Max)
Working Environment	Temp:\\\\\\\\\\\\\\\\u00a0(0\\\\\\\\\\\\\\\\uff5e50)\\\\\\\\\\\\\\\\u2103\\\\\\\\\\\\\\\\uff1bRelative humidity\\\\\\\\\\\\\\\\uff1a\\\\\\\\\\\\\\\\u00a0\\\\\\\\\\\\\\\\u226485%RH(none condensation)
Storage Environment	Temp:(-20\\\\\\\\\\\\\\\\uff5e60)\\\\\\\\\\\\\\\\u2103; Relative humidity\\\\\\\\\\\\\\\\u00a0\\\\\\\\\\\\\\\\u226485%RH(none condensation)
Power Supply	DC 24V/AC 110V/AC 220V\\\\\\\\\\\\\\\\u00b115%\\\\\\\\\\\\\\\\uff08for selection\\\\\\\\\\\\\\\\uff09
Dimension	48mm\\\\\\\\\\\\\\\\u00d796mm\\\\\\\\\\\\\\\\u00d780mm (H\\\\\\\\\\\\\\\\u00d7W\\\\\\\\\\\\\\\\u00d7D)
Hole Size	44mm\\\\\\\\\\\\\\\\u00d792mm (H\\\\\\\\\\\\\\\\u00d7W)
Installation	Panel mounted, fast installation

In conclusion, velocity flow meters are essential tools for measuring flow rates in a wide range of applications. Each type of velocity flow meter has its own advantages and limitations, depending on the specific requirements of the application. Whether you need to measure the flow rate of water, Chemicals, oil, or gas, there is a velocity flow meter available to suit your needs. By choosing the right flow meter for your application, you can ensure accurate and reliable flow rate measurements.

Air Flow Measurement

Flow meters are essential tools used in various industries to measure the flow rate of liquids and gases. One common type of flow meter is the velocity flow meter, which measures the velocity of the fluid passing through it to determine the flow rate. There are several types of velocity flow meters available, each with its own advantages and limitations. In this article, we will discuss which flow meter measures velocity directly and how it works.

One type of flow meter that measures velocity directly is the Pitot tube. A Pitot tube is a simple device that consists of a tube with one opening facing the fluid flow and another opening perpendicular to the flow. The pressure difference between these two openings is used to calculate the velocity of the fluid. Pitot tubes are commonly used in aviation to measure airspeed, but they can also be used in industrial applications to measure the flow rate of gases.

Another type of flow meter that measures velocity directly is the electromagnetic flow meter. Electromagnetic flow meters use Faraday’s law of electromagnetic induction to measure the velocity of a conductive fluid passing through a magnetic field. By measuring the voltage induced in the fluid, the flow rate can be calculated. Electromagnetic flow meters are highly accurate and can be used in a wide range of applications, including water and wastewater treatment, chemical processing, and food and beverage production.

Ultrasonic flow meters are another type of flow meter that measures velocity directly. Ultrasonic flow meters use ultrasonic waves to measure the velocity of the fluid passing through the meter. By measuring the time it takes for the ultrasonic waves to travel upstream and downstream, the flow rate can be calculated. Ultrasonic flow meters are non-intrusive and can be used in a wide range of applications, including water and wastewater treatment, oil and gas production, and HVAC systems.

Doppler flow meters are a type of flow meter that measures velocity directly by using the Doppler effect. Doppler flow meters emit ultrasonic waves that bounce off the particles in the fluid flow. By measuring the frequency shift of the reflected waves, the velocity of the fluid can be calculated. Doppler flow meters are commonly used in applications where the fluid contains particles or bubbles, such as wastewater treatment and mining.

In conclusion, there are several types of flow meters that measure velocity directly, including Pitot tubes, electromagnetic flow meters, ultrasonic flow meters, and Doppler flow meters. Each type of flow meter has its own advantages and limitations, so it is important to choose the right flow meter for your specific application. By understanding how each type of flow meter works, you can make an informed decision on which flow meter is best suited for measuring the velocity of the fluid in your system.