electronics and instrumentation Malayalam/what is instrumentation engineering
RTD testing and working Malayalam tutorial. • Industrial instrumenta...
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Instrumentation is the process of measuring and controlling. Instrumentation is used to make a factory fully automatic. Today is an era where the device takes full control of the factory. A long time ago if a valve had to be opened a person's help was needed but today man's job is to take control of valves and when one switches on the control valves open automatically. He was also a man who used a thermometer to heat things up, but today he does it very quickly with the use of instruments such as the RTD and thermocouple.
rtd stands for Resistance Temperature Detector.
We are going to talk about a rtd called pt100.
pt100 but we get 100-ohm resistance at zero degrees.
Rtd is a device whose resistance changes with temperature.
rtd has three connections. One white color has two red colors.
The difference between the two red colors is only about 5 ohms below , There is a resistance of 110 ohms between red and white.
The resistance from rtd converts the temperature transmitter into milliamperes of current.
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