Bimetallic Thermometer
A bimetallic strip is made up of metal A and B, having different thermal expansion co-efficient. It is bonded together. These thermometers use the following two principles: 1. All metals
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Temperature Measurement
Helix Bimetallic Thermometer Principle
This article is a continuation of my previous post on Bimetallic Thermometer Principle of Helix Bimetallic Thermometer: When a bimetallic helix fixed at one end and free at the other
Spiral Bimetallic Thermometer Principle
Principle of Spiral bimetallic thermometer When a bimetallic spiral fixed at one end and free at the other end is subjected to a temperature change, the free end of the
RTD Calibration
R.T.D. Accuracy checks for a resistance temperature detector/device (RTD) is often necessary to validate the accuracy of a new RTD. How They Work There are three basic types of RTDs:
Thermocouple Calibration
Thermocouples Thermocouples measure temperature and are used quite often in process controls. How They Work When wires of two different thermoelectrically homogeneous materials are joined at one end and placed
What Temperature are Celsius and Fahrenheit Value Same ?
Simple Conversions of Celsius and Fahrenheit Temperature Scales 1. Standard Conversion °F to °C : Deduct 32, then multiply by 5, then divide by 9 °C to °F : Multiply by
Thermocouple Calculations
The voltage generated by a thermocouple is a function of the temperature difference between the measurement and reference junctions. Traditionally the reference junction was held at 0 °C by an
Liquid In Glass Thermometer Principle
The liquid in glass thermometer, is the most commonly used device to measure temperature and it is inexpensive to make and easy to use. The liquid in glass thermometer has
Temperature Sensor Accessories
One of the most important accessories for any temperature-sensing element is a pressure-tight sheath known as a thermowell. This may be thought of as a thermally conductive protrusion into a
Thermal Imaging Temperature Measurement
A very useful application of non-contact sensor technology is thermal imaging, where a dense array of infrared radiation sensors provides a graphic display of objects in its view according to