Different Types of Thermometers
Thermometers can be classified according to the nature of substance which expands. Expansion of solids (a). Bimetallic thermometers Expansion
Temperature Measurement
Temperature Measurement: Learn about Temperature Sensors like Thermocouple, RTD, Pyrometer, Temperature Transmitters, Temperature Gauges, etc.
Questions on Thermocouple and Pyrometer
Study the Temperature Sensors Questions and Answers for your interview preparation. This article focus on Thermocouple and Pyrometer Questions. Thermocouple
Disadvantages of Resistance Temperature Detectors
Resistance Temperature Detectors (RTDs), are sensors used to measure temperature. Many RTD elements consist of a length of fine wire
Important Factors for Thermocouple Selection
It would be difficult to chart a career course in the industrial process control field without being exposed to thermocouples.
What is Thermowell and How-to choose Thermowell Probe Length ?
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 ?
Why RTD installed after the Orifice Plate ? The location of the RTD (thermowell), positioned downstream of the orifice plate
Functions of Temperature Detectors
Functions of Temperature Detectors Although the temperatures that are monitored vary slightly depending on the details of facility design, temperature
Bridge Circuit Construction
Figure 1 shows a basic bridge circuit which consists of three known resistances, R1, R2, and R3 (variable), an unknown
Thermocouple Construction
A thermocouple is constructed of two dissimilar metal wires joined at one end. When one end of each wire is
Resistance Temperature Detectors (RTD) Construction
The RTD incorporates pure metals or certain alloys that increase in resistance as temperature increases and, conversely, decrease in resistance