Actuators Questions and Answers 1. A valve positioner : a. Takes the place of a cascade control system b. Provides…
Learn How PLC Controls a Simple ON-OFF Valve or a Shutdown valve. Watch the below Video : USE EARPHONES
Pressure based Flow Meters like differential pressure transmitters are used to measure the pressure drop to calculate equivalent flow rate.
The Continuous measurement of fluid flow is arguably the single most complex type of process variable measurement in all of…
One of the most important accessories for any temperature-sensing element is a pressure-tight sheath known as a thermowell. This may…
A very useful application of non-contact sensor technology is thermal imaging, where a dense array of infrared radiation sensors provides…
An interesting and useful characteristic of non-contact pyrometers is that their calibration does not depend on the distance separating the…
Virtually any mass above absolute zero temperature emits electromagnetic radiation (photons, or light) as a function of that temperature. This…
The most common failure mode for thermocouples is to fail open, otherwise known as “burning out.” An open thermocouple is…
Reference junction compensation is a necessary part of any precision thermocouple circuit, due to the inescapable fact of the reference…
