Pressure Transducers and Digital Pressure Meters
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Pressure Transducers and Digital Pressure Meters
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Published: January 7th, 2009 @ 02:33 PMWhat is the difference between a pressure transducer and a transmitter
Unfortunately if you are looking for a black and white answer to this question it is not as simple as that. Distinguishing between a pressure transducer and a pressure transmitter can depend upon which country you are working in and which manufacturer you are dealing with. As with a lot of engineering terminology the original definitions have become a little blurred and have not always been used in the way that was originally intended.
Compact transmitter measures differential pressure with high accuracy
The PD33X high precision differential pressure transducer can measure with an accuracy of ±0.15% full scale over a temperature range of -10 to +80°C with the analogue signal output and ±0.1% with the RS485 digital output signal.
Why do my high pressure transmitters keep failing
Not all pressure transmitters use the same sensing technology and some are more suited to measuring high pressures than others. It is high pressure spikes that are the most common cause of pressure transmitter failure and they will punch or rip a hole in a diaphragm if the right precautions are not implemented.
What is the difference between gauge and absolute pressure measurement
Determining whether you need gauge or absolute reference pressure is as important as selecting the pressure range itself, particularly for low pressure measurements. If you get it wrong your measurements are going to be out by approximately 1 bar, which could be a huge error if you have specified a 10 bar range for example.
Advantages of using Silicon chip technology for sensing pressure
Pressure sensors that utilise silicon sensing elements offer many advantages over other pressure sensing technologies, they are small, lightweight, highly repeatable, stable over time, dynamically responsive and very sensitive to variations in pressure.
What to consider when selecting a differential pressure sensor
Differential pressure measurement can be one of the most complex and confusing applications when it comes to choosing the right pressure sensor for the job. Not only must you consider the differential pressure range required, but also whether the sensor is designed to withstand the system pressure which is often much higher than the differential pressures being measured.
Digital sensor for high precision pressure calibration
Primary pressure standards such as dead weight testers offer the highest level of pressure measurement precision and accuracy for most pressure calibration laboratories, but they are mostly manually operated and the results have to be typed into the computer or handwritten into calibration reports.
Level transmitter endures aggressive chemicals
The LMK331 Screw-In Level Pressure Sensor has an aggressive media resistant construction which makes it suitable for measuring fluid level of a wide range of corrosive chemicals.
Why are there so many pressure units to convert to
If you break down the SI unit (Systeme International d'Unites) for pressure which is the 'Pascal' (Pa) you can begin to understand why there are so many types of pressure measurement units.
Pressure transducer for budget conscious autosport applications
The AS motor-sport pressure transducer is an economical sub-miniature pressure sensor specially designed for use on auto-racing engines and chassis systems.