Pressure Transmitter Explained Working Principle

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▶ Want to learn industrial automation? Go here: http://realpars.com • ▶ Want to train your team in industrial automation? Go here: http://realpars.com/business • ▶ Check out the full blog post over at • https://realpars.com/pressure-transmi... • ============================= • In this video, we’re going to introduce you to a very versatile instrument used in industry today - the Pressure Transmitter. • First of all, let’s discuss the terms Transducer and Transmitter. Some people will tell you that a Transducer and a Transmitter are the same things and therefore the terms are interchangeable. • If you are curious, conduct a web search of the two terms and you will be surprised at the wide range of results! • A transducer is a device that converts one form of energy to another. • For example, an electrical transducer converts a sensed physical variable like temperature into an analog electrical signal. • A transmitter is a device that converts the electrical signal from the transducer into a much larger electrical signal that can be sent over a long distance to a PLC or a DCS. • The transmitter output signal is usually a range of voltage (1 to 5 V) or current (4 to 20 mA) which represents the 0 to 100% of the sensed physical variable. • A Pressure Transmitter is an instrument connected to a Pressure Transducer. • The output of a Pressure Transmitter is an analog electrical voltage or a current signal representing 0 to 100% of the pressure range sensed by the transducer. • Pressure transmitters can measure absolute, gauge, or differential pressures. • Absolute pressure is referenced to a perfect vacuum which is considered 0 psi! We express vacuum pressure as 0 psi (a). • Atmospheric pressure is usually about 14.7 psi (a). • The most common pressure measurement is gauge pressure which is the total pressure minus the atmospheric pressure. • Atmospheric pressure is 0 psi (g). • Let’s have a look at an example of a Pressure Transmitter measuring process pressure of gasses in a pipeline. • ============================= • You might want to review 2 of our other videos: • 1) What is a Pressure Sensor? https://realpars.com/pressure-sensor/ • 2) Differential Pressure Transmitter Explained https://realpars.com/differential-pre... • ============================= • Missed our most recent videos? Watch them here: • https://realpars.com/safety-plc • https://realpars.com/analog-input • https://realpars.com/distributed-io • ============================= • To stay up to date with our last videos and more lessons, make sure to subscribe to this YouTube channel: • http://goo.gl/Y6DRiN • ============================= • TWEET THIS VIDEO https://ctt.ac/HMbF8 • ============================= • Follow us on Facebook: / therealpars • Follow us on Twitter: / realpars • Follow us on LinkedIn / realpars • Follow us on Instagram / realparsdotcom • #Transmitter #RealPars #Pressure

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