Technical Editor, Author at Polytechnic Hub

Advantages and disadvantages of RTD (resistance temperature detector)

Advantages: There are some advantages of RTD (resistance temperature detector) which are given below, The RTD can be easily installed and replaced. It is available in wide range. The RTD…

Technical Editor June 13, 2017

Electronics Articles

Difference between venture tube and orifice plate

Venture tube Orifice plate The venture tube consist of three parts i.e. inlet cone, throat and outlet cone. The orifice plate is a thin circular plate. The venture tube is…

Technical Editor June 12, 2017

Electronics Articles

Resistance temperature detector (RTD)

The thermometer in which the resistance of conductor changes with change in temperature is known as resistance thermometer. The resistance thermometer is also called as resistance temperature detector (RTD). Construction:…

Technical Editor June 10, 2017

Electronics Articles

Construction and working of RVDT (Rotary variable differential transformer)

The RVDT stand for rotary variable differential transformer is used to sense the angular displacement. It is similar to LVDT except that its core is in cam shaped and moves…

Technical Editor June 10, 2017

Electronics Articles

Advantages, disadvantages and applications of capacitive transducer

Advantages: There are some advantages of capacitive transducer which are given below, The sensitivity of capacitive transducer is high. The capacitive transducer is useful for small system. It has good…

Technical Editor June 10, 2017

Electronics Articles

Advantages, disadvantages and applications of piezoelectric transducer

Advantages: There are some advantages of piezoelectric transducer which are given below, The piezoelectric transducer is available in desired shape. It has rugged construction. It is small in size. It…

Technical Editor June 8, 2017

Electronics Articles

Difference between active transducer and passive transducer

Active transducer Passive transducer The active transducer is also called as self generating type transducer. The passive transducer is also called as externally powered transducer. The active transducer does not…

Technical Editor June 7, 2017

Electronics Articles

Working of LVDT (linear variable differential transformer)

As per the position of core, the secondary coils S1 and S2 both are produce emf which is phase. The lower end of both secondary coils S1 and S2 are…

Technical Editor June 7, 2017

Electronics Articles

What are the selection criteria of transducer?

The following factors are to be considered while selecting a transducer for further applications, Operating Principle : The transducers are selected on the basis of operating principle it may be…

Technical Editor June 7, 2017

Electronics Articles

Piezoelectric transducer

The piezoelectric transducers are used to convert mechanical energy into electrical energy. Asymmetrical crystalline materials such as quartz, Rochelle salt and barium titanate produce an emf when they are placed…

Technical Editor June 7, 2017