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4 Electric current, electric potential, ... Tire pressure sensor; ... Charge-coupled device; CMOS sensor; Angle–sensitive pixel;
Diagram of the pressure instrumentation on a process vessel. Oil, gas and petrochemical processes are undertaken at specific operating pressures. Pressure is measured by pressure sensors (PE) which send pressure (PT) signals to pressure controllers (PIC). Pressure vessels and tanks are fitted with local pressure indicators (PI).
A transducer is a device that converts energy from one form to another. Usually a transducer converts a signal in one form of energy to a signal in another. [1] Transducers are often employed at the boundaries of automation, measurement, and control systems, where electrical signals are converted to and from other physical quantities (energy, force, torque, light, motion, position, etc.).
sensors, (or initiators) that detect the high pressure; a logic solver, which processes the input from the sensors to an output to the final element; final elements, that actually perform the corrective action in the field by bringing the process to a safe state. In case of a HIPPS this means shutting off the source of overpressure.
A piezoelectric sensor is a device that uses the piezoelectric effect to measure changes in pressure, acceleration, temperature, strain, or force by converting them to an electrical charge. The prefix piezo- is Greek for 'press' or 'squeeze'.
Pressure sensors can alternatively be called pressure transducers, pressure transmitters, pressure senders, pressure indicators, piezometers and manometers, among other names. Pressure is an expression of the force required to stop a fluid from expanding, and is usually stated in terms of force per unit area.
This page was last edited on 19 June 2023, at 11:04 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Different types of light sensors. A sensor is a device that produces an output signal for the purpose of detecting a physical phenomenon.. In the broadest definition, a sensor is a device, module, machine, or subsystem that detects events or changes in its environment and sends the information to other electronics, frequently a computer processor.