Resistance Temperature Detectors (RTDs), are sensors used to measure temperature. Many RTD elements consist of a length of fine wire…
It would be difficult to chart a career course in the industrial process control field without being exposed to thermocouples.…
The American Society for Testing and Materials (ASTM) has defined the term Thermowell as " a closed end re-entrant tube…
Why RTD installed after the Orifice Plate ? The location of the RTD (thermowell), positioned downstream of the orifice plate…
Functions of Temperature Detectors Although the temperatures that are monitored vary slightly depending on the details of facility design, temperature…
Figure 1 shows a basic bridge circuit which consists of three known resistances, R1, R2, and R3 (variable), an unknown…
A thermocouple is constructed of two dissimilar metal wires joined at one end. When one end of each wire is…
The RTD incorporates pure metals or certain alloys that increase in resistance as temperature increases and, conversely, decrease in resistance…
A bimetallic strip is made up of metal A and B, having different thermal expansion co-efficient. It is bonded together.…
This article is a continuation of my previous post on Bimetallic Thermometer Principle of Helix Bimetallic Thermometer: When a bimetallic…
