Electronic Measuring Instruments Tutorial in PDF - TutorialspointFrom Wikipedia, the free encyclopedia. Below is the list of measuring instruments used in electrical and electronic work. Name Purpose Ammeter Ampermeter Measures current Capacitance meter Measures the capacitance of a component Curve tracer Applies swept signals to a device and allows display of the response Cos Phi Meter Measures the power factor Distortionmeter Measures the distortion added to a circuit Electricity meter Measures the amount of energy dissipated ESR meter Measures the equivalent series resistance of capacitors Frequency counter Measures the frequency of the current Leakage tester Measures leakage across the plates of a capacitor LCR meter Measures the inductance, capacitance and resistance of a component Microwave power meter Measures power at microwave frequencies Multimeter General purpose instrument measures voltage, current and resistance and sometimes other quantities as well Network analyzer Measures network parameters Ohmmeter Measures the resistance of a component Oscilloscope Displays waveform of a signal, allows measurement of frequency, timing, peak excursion, offset, Psophometer Measures AF signal level and noise Q meter Measures Q factor of the RF circuits Tachometer Measures speed of motors Signal analyzer Measures both the amplitude and the modulation of a RF signal Signal generator Generates signals for testing purposes Spectrum analyser Displays frequency spectrum Sweep generator Creates constant-amplitude variable frequency sine waves to test frequency response Transistor tester Tests transistors Tube tester Tests vacuum tubes triode, tetrode etc. Wattmeter Measures the power Vectorscope Displays the phase of the colors in color TV Video signal generator Generates video signal for testing purposes Voltmeter Measures the potential difference between two points in a circuit.
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Adjust the set temperature with the potentiometer P1, to the required temperature, Metrology is the name given to the science of pure measurement. Chitode Read online Instrumentation ch. Metrology is field of knowledge concerned with measurement and includes both theoretical and practical problems with reference to measurement. If null point is not achieved with multiplier arm as 1K then change the multiplier arm till you get the exact null point!
Quality Professional Precision Tool 0. Practical Parts Store. Read notes a and b below? Sign in.
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Again adjust With P2 to get the exact null position. Sundy Store. BestTool Store. Now, as the actual temperature decreases and reaches below set temperatu. There will be some error between the set value and mwasurements value of the temperature which will be maintained to the minimum.
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General purpose instrument measures voltage, current and resistance and sometimes other quantities as well. Head phones supplied along with the kit 3. Wait for few minutes till system settle. Contents Acknowledgement.
Practical Parts Store. Adjust the set temperature with the potentiometer P1, which should be above the ambient - room temperature say 40oC. At null point you will hear minimum or no sound. Evan Storage Store.