Resolver

Definition: The resolver is a rotary transformer used for conversion of the angular position of the shaft into Cartesian coordinates. It is an analogue device which has a digital counterpart. The output of the transducer has two signals, one is proportional to the sine of the angle and other is proportional to the cosine of …

Resolver Read More »

Integrating Instrument

Definition: The integrating instrument measures the total energy supplied by the circuit in a given interval of time. It is independent of the rate at which the total energy consumed. The watt hour meter is the example of integrating instruments. This type of meter directly measures the energy in watt hour. Types of Integrating Instruments …

Integrating Instrument Read More »

Analog Instrument

Definition: The analogue instrument is defined as the instrument whose output is the continuous function of time, and they have a constant relation to the input. The physicals quantity like voltage, current, power and energy are measured through the analogue instruments. Most of the analogue instrument use pointer or dial for indicating the magnitude of the …

Analog Instrument Read More »

Difference Between RTD & Thermistor

The Thermistor and the RTD both are the temperatures measuring device. The major difference between the RTD and the Thermistor is that the RTD is made of metal, whereas the semiconductor material is used for Thermistor.  The other differences between the Thermistor and RTD are explained below in the comparison chart. As the Thermistor is …

Difference Between RTD & Thermistor Read More »

Power Factor Meter

Definition: The power factor meter measures the power factor of a transmission system. The power factor is the cosine of the angle between the voltage and current. The power factor meter determines the types of load using on the line, and it also calculates the losses occur on it. The power factor of the transmission …

Power Factor Meter Read More »

Difference Between Sensor & Transducer

One of the significant difference between the sensor and the transducer is that the sensor senses the physical changes occur in the surrounding whereas the transducer converts the physical quantity or nonelectrical into another signal or electrical signal. Some other differences between the sensor and transducer are explained below in the comparison chart. The transducer …

Difference Between Sensor & Transducer Read More »

Q Meter

Definition: The instrument which measures the storage factor or quality factor of the electrical circuit at radio frequencies, such type of device is known as the Q-meter. The quality factor is one of the parameters of the oscillatory system, which shows the relation between the storage and dissipated energy. The Q meter measures the quality …

Q Meter Read More »

Capacitive Transducer

Definition: The capacitive transducer is used for measuring the displacement, pressure and other physical quantities. It is a passive transducer that means it requires external power for operation. The capacitive transducer works on the principle of variable capacitances. The capacitance of the capacitive transducer changes because of many reasons like overlapping of plates, change in …

Capacitive Transducer Read More »

Piezo-Electric Transducer

Definition: The Piezoelectric transducer is an electroacoustic transducer use for conversion of pressure or mechanical stress into an alternating electrical force. It is used for measuring the physical quantity like force, pressure, stress, etc., which is directly not possible to measure. The piezo transducer converts the physical quantity into an electrical voltage which is easily measured …

Piezo-Electric Transducer Read More »

Hall Effect Transducer

Definition: The hall effect element is a type of transducer used for measuring the magnetic field by converting it into an emf. The direct measurement of the magnetic field is not possible. Thus the Hall Effect Transducer is used. The transducer converts the magnetic field into an electric quantity which is easily measured by the …

Hall Effect Transducer Read More »