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Load cells are used in different applications to measure force or weight. We can take the strain gauge and the Wheatstone bridge theories and use them to build a Load Cell. As the weight is placed above the line, the length of…
Ultrasonic Proximity sensor: The ultrasonic proximity sensor uses a transducer to send and receive high-frequency sound signals. If the incoming target sound range is reflected again to the sensor, causing the sensor to activate or not activate the output circuit. Piezoelectric…
Reed switch is also called an inductive-magnetic sensor, so it is grouped in special inductive sensors. Reed switch is printed in a bakelite box. If the switch enters a magnetic field, the contact feathers become closed, and the sensor provides electrical signals….
In the case of a rotating shaft, the most widely used method of support is by using one or a number bearing. A considerable number of different types of bearings are commonly available. The system selected is a function of the loads…
A Gas turbine is also called a combustion turbine is a type of continuous combustion, internal combustion engine which produces electric current. The gas turbine can operate using two types of fuel (dual fuel system) namely natural gas and oil, can also be operated…
What is Loop checking: Loop checking is the final process before the commissioning of the processing system. Loop checking is the process that confirms the components wired correctly and also helps to ensure that the system is functioning as designed. The loop…
The purpose of the measurement system is to present the observer with a numerical price value that corresponds to the variable being measured. The measurement system consists of several elements or blocks. It is possible to recognize 4 types of elements, even if…
A Wheatstone bridge is used to detect electrical resistance changes. This circuit is used in signal conditioning. The circuit works like this: Four resistors are wired in the manner shown, with a galvanometer as a very sensitive current detector. A voltage source, E,…
What is a Condenser? A condenser is one of the main components of a refrigerator. The condenser changes the form of refrigerant from super-heated high-pressure gas to the sub-cooled liquid. In order to make changes in the form of refrigerant (condensation/condensation), heat….
The 4-20 mA pattern can be characterized by the current loop used for the interconnection of the field devices. In this configuration we have that each device must be interconnected with the source and the control device, where we have: on the…
