A pressure transmitter is a mechanical device that measures the expansive force of a liquid or gaseous sample.
Also known as a pressure transducer, this type of sensor is typically composed of a pressure sensitive surface area made of steel, silicon, or other materials depending upon the analyte’s composition. Behind these surfaces are electronic components capable of converting the applied force of the sample upon the pressure sensor into an electrical signal.
Pressure is generally measured as a quantity of force per unit of surface area, and is expressed as the value required to stop a liquid, gas, or vapor from expanding. Various derived units are used to quantify pressure, including:
Whether you are new to the technology or have worked with pressure sensors for years, how confident are you with some of the terminology involved in pressure sensor selection? Today I will provide a refresher on the common terminology you will be exposed to during your quest to spec the best pressure sensor for your application.
With a growing pressure sensor market and an increase in applications for thWater pressure transducers also called a water pressure sensor,are pressure transmitters that can measure water pipe pressure.
Sanitary Sensors that Deliver Accurate Data in Food and Pharma Industries
Having access to accurate pressure and temperature readings at all times is essential in hygienic processing environments such as the food and pharmaceutical industries. Regulatory requirements demand 24/7 product monitoring as well as extensive documentation of quality control processes.
Accomplishing this task means having accurate, The modeling and characterization of capacitive elements with tissue as the dielectric material, representing the core building block of a capacitive link for wireless power transfer to neural implants. Each capacitive element consists of two parallel plates that are aligned around the tissue layer and incorporate a grounded, guarded, capacitive pad to mitigate the adverse effect of stray capacitances and shield the plates from external interfering electric fields. The plates are also coated with a biocompatible, insulating, coating layer on the inner side of each plate in contact with the tissue. A comprehensive circuit model is presented that accounts for the effect of the coating layers and is validated by measurements of the equivalent capacitance as well as impedance magnitude/phase of the parallel plates over a wide frequency range of 1 kHz-10 MHz. Using insulating coating layers of Parylene-C at a thickness of 7.5 μm and Parylene-N at a thickness of 1 μm deposited on two sets of parallel plates with different sizes and shapes of the guarded pad, our modeling and characterization results accurately capture the effect of the thickness and electrical properties of the coating layers on the behavior of the capacitive elements over frequency and with different tissues.