Temperature

Self-actuated Temperature regulators basics. How does temperature regulator work?

What is Self-actuated Temperature regulators? The Self-Operating Temperature Regulator is a mechanically operated instrument intended to control system temperature by modulating heating or cooling fluid’s flow in reaction to changes in temperature. Construction of Self-actuated Temperature regulators: The assembly of the pipe system consists of the delicate bulb, capillary tubing, bellows assembly, dial thermometer stated, …

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How to detect Thermocouple burnout?

The most common thermocouple failure method is open failure, otherwise known as “burning out.” An open thermocouple is difficult for any voltage-measuring tool with elevated input impedance because the absence of a full input circuit allows electrical noise from nearby sources (energy lines, electrical engines, variable-frequency engine drives) to be identified by the tool and …

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Thermal Dispersion Flow Switch Working Principle

The thermal dispersion flow switch is an accurate liquid flow sensor. The operating principle is based on the transfer of heat. The thermal dispersion flow switch comprises of two temperature sensors based on the heat transfer principle. One temperature sensor is the reference and measure the fluid temperature where the flow switch probe is immersed …

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Non-contact temperature measurement | Pyrometers

Why to use Pyrometers or non-contacting type? Non-contacting temperature meter or Pyrometers are used to measure temperature without any physical contact with temperature body. In many industrial application with a higher temperature range, where many other temperature meters and human can’t reach non-contacting type pyrometers are employed. They are especially suitable for measuring high temperatures that …

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Resistance Temperature Detector ( RTD )

Resistance Temperature Detectors (RTD) are temperature measuring transducers used in industrial applications. RTDs are simple in construction with higher accuracy and repeatability and which are used in the applications below 600°C. Principle: As the name suggests the RTDs are temperature sensitive resistors. The resistance temperature detector (RTD) measures the electrical conductivity as it varies with …

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Basics of Thermistor – Advantages and Disadvantages

A thermistor is a semiconductor device formed from metal oxides. thermistors are used in many applications requiring information about process equipment for alarming and indication purposes. Principle: The principle of temperature measurement with a thermistor is that its resistance changes with temperature. Most thermistors differ from normal resistors in that they have a negative coefficient of …

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Different methods of temperature measurement

IN industries temperature is a major physical quantity . there are different methods of temperature measurement in industries. The different methods of temperature measurement are:          1. Mechanical           2. Electrical. 1.Mechanical methods: Mercury in glass thermometers This consists of a glass tube of very fine bore joined …

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