The liquid level control sytem is mainly consists of a tank, which is filled with liquid.The liquid sensor(transducer) is placed in a liquid tank, which senses the level of the liquid.That sensor is connected to the transmitter.Again
the transmitter is connected to the controller, where the signal is to
be controlled and compared with the set point value.The controller is connected to the control valve, which controls the flow of liquid. TEMPERATURE
This is a simple temperature control system that is mainly consisting of two liquid pipelines which are filled two difference temperature. The main pipeline is filled with cold temperature liquid and having a sub hot temperature liquid pipeline attached . The temperature sensor(transducer) is placed directly in contact to the output valve , which then senses the initial liquid temperature .The sensor is connected to the transmitter which is connected to the controller, where the signal is to be controlled and compared with the desired temperature .The controller is connected to the control valve, which controls the flow of hot liquid into the main pipeline , will then adjust the amount of hot liquid needed to enter the main liquid line that will increase the temperature of the water to the desired temperature .
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