Null Instrument The null technique is one of the operational modes for a measuring instrument. A null instrument employs the…
Analog Sensors Analog sensors provide a signal that is continuous in both its magnitude and its temporal (time) or spatial…
Several mechanical input sensors, as well as some sensors which measure humidity or temperature, operate by the transduced quantity causing…
If a bluff (non-streamlined) body is placed in a flow, vortices detach themselves at regular intervals from the downstream side…
A heated object emits electromagnetic radiation. At temperatures below approximately 400 °C this radiation can be felt as heat. As…
The technology of ultrasonic testing has been used by production and industry since the development of the radio engineering process.…
An encoder is a device that provides a digital output as a result of an angular or linear displacement. The…
A load cell converts a force (usually the gravitation force from an object being weighed) to a strain which can…
Consider the circuit below: Figure 1(a) thermocouple signal amplifying circuit From the figure above, the sensing junction and reference junction…
The resistance temperature devices (RTD) can be connected directly to the controller peripheral amplifiers using 2-wire, 3-wire or 4-wire lead…
