Sensors

The Principle of Operation of an Induction Potentiometer

An induction potentiometer is a rotary type linear-variable inductor with two concentrated windings wound on the stator and on the…

2 years ago

The Principle of Piezoelectric Sensing

The piezoelectric transduction is based on the conversion of mechanical vibrations into electrical signals and vice versa. The piezoelectric effect…

2 years ago

Passive vs. Active Sensors

Sensors are normally used to convert physical variables like pressure to signal variables. Sensors are also often termed to as…

2 years ago

What is a Microsyn Transducer?

This is a variable-reluctance transducer used to detect small motions, giving output signals as low as 0.01° of changes in…

2 years ago

Null vs. Deflection Type Instruments

Null Instrument The null technique is one of the operational modes for a measuring instrument. A null instrument employs the…

3 years ago

Analog vs. Digital Sensors

Analog Sensors Analog sensors provide a signal that is continuous in both its magnitude and its temporal (time) or spatial…

3 years ago

Variable Capacitance Sensors

Several mechanical input sensors, as well as some sensors which measure humidity or temperature, operate by the transduced quantity causing…

3 years ago

The Principle of Operation of a Vortex Flowmeter

If a bluff (non-streamlined) body is placed in a flow, vortices detach themselves at regular intervals from the downstream side…

3 years ago

The Principle of an Optical Pyrometer Temperature Sensor

A heated object emits electromagnetic radiation. At temperatures below approximately 400 °C this radiation can be felt as heat. As…

3 years ago

Types of Ultrasonic Non-Destructive Testing (NDT) Techniques

The technology of ultrasonic testing has been used by production and industry since the development of the radio engineering process.…

4 years ago