# \#flowmeasurement **URL:** https://forumautomation.com/tag/flowmeasurement/12.md [Latest](https://forumautomation.com/latest.md) · [Categories](https://forumautomation.com/categories.md) · [Tags](https://forumautomation.com/tags.md) --- ## [Working principle of magnetic flowmeter](https://forumautomation.com/t/working-principle-of-magnetic-flowmeter/2749)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 1\ **Last updated:** [December 29, 2025, 9:00am UTC](https://forumautomation.com/t/working-principle-of-magnetic-flowmeter/2749 "2025-12-29T09:00:42Z")
Magnetic flowmeter works on the principle of electromagnetic induction. When an electrical conductor moves perpendicular to a magnetic field, a voltage is induced in that conductor perpendicular to both the magnetic flux… --- ## [Advantages and Limitations of Magnetic Flow Meters in Water and Wastewater Applications](https://forumautomation.com/t/advantages-and-limitations-of-magnetic-flow-meters-in-water-and-wastewater-applications/11027)
**Author:** [@RafiulShuvo](https://forumautomation.com/u/RafiulShuvo)\ **Replies:** 1\ **Last updated:** [November 27, 2025, 8:30am UTC](https://forumautomation.com/t/advantages-and-limitations-of-magnetic-flow-meters-in-water-and-wastewater-applications/11027 "2025-11-27T08:30:22Z")
In water and wastewater management, accurate and reliable flow measurement is of utmost importance. Without accurate flow measurement, it is impossible to control and optimize processes, leading to inefficient operati… --- ## [Understanding Pressure Transmitters & the 4-20mA Signal in PLC Systems](https://forumautomation.com/t/understanding-pressure-transmitters-the-4-20ma-signal-in-plc-systems/13269)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [May 22, 2025, 4:08pm UTC](https://forumautomation.com/t/understanding-pressure-transmitters-the-4-20ma-signal-in-plc-systems/13269 "2025-05-22T16:08:26Z")
Pressure transmitters are essential components of industrial automation & process control because they monitor and regulate pressure levels in pipes, tanks, and other equipment. A 4-20 mA analog signal is a popular and d… --- ## [Electromagnetic Flow Meters: Advantages, and Applications](https://forumautomation.com/t/electromagnetic-flow-meters-advantages-and-applications/13166)
**Author:** [@ARTang](https://forumautomation.com/u/ARTang)\ **Replies:** 0\ **Last updated:** [April 18, 2025, 1:02am UTC](https://forumautomation.com/t/electromagnetic-flow-meters-advantages-and-applications/13166 "2025-04-18T01:02:48Z")
Electromagnetic flowmeters are perfect for measuring the flow rate of any conductive liquid. These meters are extremely accurate and provide reliable flow measurements. Working Principle of Electromagnetic Flow Meter The… --- ## [Beta Ratio in Orifice Plates](https://forumautomation.com/t/beta-ratio-in-orifice-plates/12664)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [October 4, 2024, 5:01pm UTC](https://forumautomation.com/t/beta-ratio-in-orifice-plates/12664 "2024-10-04T17:01:44Z")
In flow measurement systems, Orifice Plates play a vital role in determining fluid flow rates. One key concept to grasp is the Beta Ratio. What is the Beta Ratio? The Beta Ratio (ẞ) is the ratio of the diameter of … --- ## [Flow Control Loop Basics](https://forumautomation.com/t/flow-control-loop-basics/2708)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 23, 2017, 7:33pm UTC](https://forumautomation.com/t/flow-control-loop-basics/2708 "2017-11-23T19:33:24Z")
Control loops are added to a process to control the process. In control loops, flow control loops are laster loops among them. A valve is used in a control system to control the flow of the fluid inside the pipe syst… --- ## [What is an Integral Orifice?](https://forumautomation.com/t/what-is-an-integral-orifice/11908)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [March 26, 2024, 2:15pm UTC](https://forumautomation.com/t/what-is-an-integral-orifice/11908 "2024-03-26T14:15:08Z")
An integral orifice is a fundamental component of flow measurement systems that regulates and quantifies the flow of fluids, either liquid or gas. Unlike standard orifice plates, which are put separately in pipelines, i… --- ## [What is an Air Manifold?](https://forumautomation.com/t/what-is-an-air-manifold/11881)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [March 19, 2024, 11:50am UTC](https://forumautomation.com/t/what-is-an-air-manifold/11881 "2024-03-19T11:50:28Z")
What is an Air Manifold? An Air Manifold, also known as an instrument air distribution manifold, is a pipe-shaped chamber with many branches of outlets for providing instrument air to multiple consumers, such as a contr… --- ## [Electromagnetic Flow Meters: Functionality, Advantages, and Applications](https://forumautomation.com/t/electromagnetic-flow-meters-functionality-advantages-and-applications/11853)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [March 8, 2024, 9:51am UTC](https://forumautomation.com/t/electromagnetic-flow-meters-functionality-advantages-and-applications/11853 "2024-03-08T09:51:10Z")
Electromagnetic flowmeters are perfect for measuring the flow rate of any conductive liquid. These meters are extremely accurate and provide reliable flow measurements. Working Principle of Electromagnetic Flow Meter … --- ## [Types of Flow Meters: A Comprehensive Guide](https://forumautomation.com/t/types-of-flow-meters-a-comprehensive-guide/11310)
**Author:** [@Phoebe](https://forumautomation.com/u/Phoebe)\ **Replies:** 0\ **Last updated:** [July 13, 2023, 8:42pm UTC](https://forumautomation.com/t/types-of-flow-meters-a-comprehensive-guide/11310 "2023-07-13T20:42:32Z")
Types of Flow Meters When it comes to measuring the flow of liquids or gases, flow meters play a crucial role in various industries. These devices are designed to provide accurate measurements of flow rates, helping busi… --- ## [What is the use of square root in Flow measurement?](https://forumautomation.com/t/what-is-the-use-of-square-root-in-flow-measurement/10945)
**Author:** [@Sudha\_m](https://forumautomation.com/u/Sudha_m)\ **Replies:** 0\ **Last updated:** [March 7, 2023, 12:31pm UTC](https://forumautomation.com/t/what-is-the-use-of-square-root-in-flow-measurement/10945 "2023-03-07T12:31:56Z")
What is square root extractor? The square root extraction is an electronic or pneumatic device which converts square root signal of the flow transmitter (FT) into corresponding linear FS. The system will produce a 4-20mA… --- ## [11 things to look while choosing oxygen analyzer for oxygen concentrator -](https://forumautomation.com/t/11-things-to-look-while-choosing-oxygen-analyzer-for-oxygen-concentrator/9450)
**Author:** [@wavevisions98](https://forumautomation.com/u/wavevisions98)\ **Replies:** 0\ **Last updated:** [May 31, 2021, 5:00am UTC](https://forumautomation.com/t/11-things-to-look-while-choosing-oxygen-analyzer-for-oxygen-concentrator/9450 "2021-05-31T05:00:38Z")
11 Things To Check In Any Oxygen Analyzer For Oxygen Concentrator: Does this oxygen analyzer measure the 4 parameters – Oxygen purity, flow, pressure, & temperature? Does this oxygen analyzer have a long-life sensor so… --- ## [Flex feeder vibration for movement position and displacement](https://forumautomation.com/t/flex-feeder-vibration-for-movement-position-and-displacement/8965)
**Author:** [@ricardo1998](https://forumautomation.com/u/ricardo1998)\ **Replies:** 0\ **Last updated:** [December 15, 2020, 6:53pm UTC](https://forumautomation.com/t/flex-feeder-vibration-for-movement-position-and-displacement/8965 "2020-12-15T18:53:08Z")
How does the flex feeder vibration to move and control de position of differentes componentes or pieces is made? --- ## [Positive displacement Oval gear flow meter working and installation and troubleshooting](https://forumautomation.com/t/positive-displacement-oval-gear-flow-meter-working-and-installation-and-troubleshooting/5329)
**Author:** [@divyasree](https://forumautomation.com/u/divyasree)\ **Replies:** 0\ **Last updated:** [November 29, 2018, 4:05pm UTC](https://forumautomation.com/t/positive-displacement-oval-gear-flow-meter-working-and-installation-and-troubleshooting/5329 "2018-11-29T16:05:13Z")
Principle of operation Oval gear meters are positive displacement-type volume meters that can transfer specified incremental volumes of fluids between individual measuring chambers. The measuring element is two high pre… --- ## [Flow measurement for inaccessible conductive fluids - Lorentz force velocimetry](https://forumautomation.com/t/flow-measurement-for-inaccessible-conductive-fluids-lorentz-force-velocimetry/5331)
**Author:** [@divyasree](https://forumautomation.com/u/divyasree)\ **Replies:** 0\ **Last updated:** [November 29, 2018, 9:17pm UTC](https://forumautomation.com/t/flow-measurement-for-inaccessible-conductive-fluids-lorentz-force-velocimetry/5331 "2018-11-29T21:17:14Z")
Used in flow meters for measurement of velocity of fluids. Using the principle of electromagnetic flow measurement, which does not need contact with the fluid measured. The measurement of flow velocities in hot and aggre… --- ## [Instrument selection for flow measurement based on application](https://forumautomation.com/t/instrument-selection-for-flow-measurement-based-on-application/5243)
**Author:** [@divyasree](https://forumautomation.com/u/divyasree)\ **Replies:** 0\ **Last updated:** [November 19, 2018, 2:06am UTC](https://forumautomation.com/t/instrument-selection-for-flow-measurement-based-on-application/5243 "2018-11-19T02:06:27Z")
Flow measurement Flow Measurement is the process of measuring fluid in your plant or industry through a variety of different ways. count the number of times a fixed volume of fluid is filled indirectly calculate fl… --- ## [What are the different types of flow elements? Advantages and Disadvantages of various type of flow element](https://forumautomation.com/t/what-are-the-different-types-of-flow-elements-advantages-and-disadvantages-of-various-type-of-flow-element/2197)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [August 13, 2017, 9:18pm UTC](https://forumautomation.com/t/what-are-the-different-types-of-flow-elements-advantages-and-disadvantages-of-various-type-of-flow-element/2197 "2017-08-13T21:18:10Z")
Different type of Flow element 1.Differential Pressure Orifice plate Pitot Venturi Advantages - Simple,No moving parts. Disadvantages - Susceptible to wear in dirty services except vertically. Orifice edge sharpness … --- ## [How open channel flow can be measured?](https://forumautomation.com/t/how-open-channel-flow-can-be-measured/2826)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 16, 2017, 12:47pm UTC](https://forumautomation.com/t/how-open-channel-flow-can-be-measured/2826 "2017-12-16T12:47:10Z")
To measure the flow of an open channel we have to make the flow pass through obstructions. The flow is measured from this obstruction like Weirs and Flumes. A special method used to measure the flow is using Current mete… --- ## [Construction and working details of Butterfly valve](https://forumautomation.com/t/construction-and-working-details-of-butterfly-valve/2618)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 10, 2017, 3:09pm UTC](https://forumautomation.com/t/construction-and-working-details-of-butterfly-valve/2618 "2017-11-10T15:09:48Z")
Butterfly valves are used in both heavy and light uses. Butterfly valves are flow regulating, pivoted disc valves. The circular disc or plate, having the same radial dimensions as the pipe is pivoted exactly in the centr… --- ## [What are the types of errors in flow measurement?](https://forumautomation.com/t/what-are-the-types-of-errors-in-flow-measurement/2606)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 8, 2017, 7:57pm UTC](https://forumautomation.com/t/what-are-the-types-of-errors-in-flow-measurement/2606 "2017-11-08T19:57:06Z")
There are many areas where flow measurement can be inaccurate or invalid.Such common errors are discussed here. Erosion: Erosion causes the material to wear away. Suspended solids or debris in the piping will not onl… --- ## [Basics of Orifice plate pressure transmitter](https://forumautomation.com/t/basics-of-orifice-plate-pressure-transmitter/2563)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 3, 2017, 4:17pm UTC](https://forumautomation.com/t/basics-of-orifice-plate-pressure-transmitter/2563 "2017-11-03T16:17:43Z")
An Orifice plate is a differential pressure transmitter used to measure the flow rate of fluid passes through a pipeline. A differential pressure transmitter makes a restriction in the flow channel which makes a press… --- ## [How to perform a pressure test for valves?](https://forumautomation.com/t/how-to-perform-a-pressure-test-for-valves/2484)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 20, 2017, 6:36pm UTC](https://forumautomation.com/t/how-to-perform-a-pressure-test-for-valves/2484 "2017-10-20T18:36:16Z")
A pressure test is performed to ensure that the packing is sealed perfectly so that there cannot be any leakage through the valve. For a control valve, a small amount of leakage is allowed as they move up and down, for … --- ## [What are the different types of valves?](https://forumautomation.com/t/what-are-the-different-types-of-valves/2478)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 19, 2017, 8:20pm UTC](https://forumautomation.com/t/what-are-the-different-types-of-valves/2478 "2017-10-19T20:20:42Z")
Valves are devices used to control the flow of a fluid stream. There are different kinds of valves used in plants based on the needs. Basically, Valves can be grouped into two main types: Shut off valves: They are ON… --- ## [What are the types of valve actuators?](https://forumautomation.com/t/what-are-the-types-of-valve-actuators/2470)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 17, 2017, 7:59pm UTC](https://forumautomation.com/t/what-are-the-types-of-valve-actuators/2470 "2017-10-17T19:59:25Z")
Actuators are the devices which drive the valve stem. There are different types of valve actuators used in valves according to different purposes and based on actuating principle. There are actuators such as: Pneumat… --- ## [Flow measurement using Hot wire anemometers](https://forumautomation.com/t/flow-measurement-using-hot-wire-anemometers/2456)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 15, 2017, 8:43pm UTC](https://forumautomation.com/t/flow-measurement-using-hot-wire-anemometers/2456 "2017-10-15T20:43:18Z")
Hot-wire anemometer is most well known thermal anemometer, measure fluid velocity by noting the heat convected away by the fluid. Hot-anemometers are popular for unsteady flow of gas and liquid flow measurement. The basi… --- ## [How to Install a pressure reducing valve?](https://forumautomation.com/t/how-to-install-a-pressure-reducing-valve/2432)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 11, 2017, 7:00pm UTC](https://forumautomation.com/t/how-to-install-a-pressure-reducing-valve/2432 "2017-10-11T19:00:08Z")
Pressure reducing valve installation setup: Pressure reducing valve reduces the higher inlet pressure to a steady lower pressure at the downstream. Pressure reducing valve is installed in between two isolating valves… --- ## [Top interview questions on flow measurement](https://forumautomation.com/t/top-interview-questions-on-flow-measurement/2420)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 10, 2017, 1:13pm UTC](https://forumautomation.com/t/top-interview-questions-on-flow-measurement/2420 "2017-10-10T13:13:19Z")
What are the types flow meters? Orifice meter Pilot tube Rotameter Electromagnetic flowmeter Turbine type flowmeter Vortex type flowmeter What is Zero check and Static zero check on a DP flow transmi… --- ## [Best practices for Differential Pressure Flow measurement instrument installation](https://forumautomation.com/t/best-practices-for-differential-pressure-flow-measurement-instrument-installation/2196)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [August 13, 2017, 5:12pm UTC](https://forumautomation.com/t/best-practices-for-differential-pressure-flow-measurement-instrument-installation/2196 "2017-08-13T17:12:16Z")
Flow measuring instrument installation guideline 1.Keep impulse piping as short as possible 2.For liquid service,slope the impulse piping at least 1 inch per foot upward from the transmitter towards the process connect… --- ## [Swirl free Elbow flow conditioner for Flow measurement](https://forumautomation.com/t/swirl-free-elbow-flow-conditioner-for-flow-measurement/2025)
**Author:** [@GOVIND](https://forumautomation.com/u/GOVIND)\ **Replies:** 0\ **Last updated:** [May 30, 2017, 9:16am UTC](https://forumautomation.com/t/swirl-free-elbow-flow-conditioner-for-flow-measurement/2025 "2017-05-30T09:16:26Z")
In most flow meter installations it will be very difficult to ensure that the flow profile is fully developed.More often the flow profile will be distorted by a bend upstream or an area change due to a contraction,expans… --- ## [Free Orifice Flow Calculator](https://forumautomation.com/t/free-orifice-flow-calculator/1323)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [September 4, 2016, 6:21am UTC](https://forumautomation.com/t/free-orifice-flow-calculator/1323 "2016-09-04T06:21:35Z")
You can get free orifice flow calculator software from Emerson / Daniel. This software can be ordered free of cost. Orifice flow calculator can be ordered from following link http://sites.fastspring.com/daniel/produc… [Next page](https://forumautomation.com/tag/flowmeasurement/12.md?match_all_tags=true&page=1&tags%5B%5D=flowmeasurement)