TKE ---TKE ---Pengukuran Besaran Listrik~Electrical Measurements~

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The importance of measurementThe importance of measurement

Measurement is the basis for theMeasurement is the basis for theunderstanding of all kinds of deals.

Eq. Length based on the size of human bodysuch as foot

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Measurement definition.Measurement definition.

M t i th th iMeasurement is the process gatheringphysical information/parameters thancan be converted to meaningfulnumbersnumbers.The measuring process is one in which theproperty of an object or system underconsideration is compared to an accepted

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standard unit.

The need of measurement.The need of measurement.

To measure:t d t i th it d t tto determine the magnitude or extentor degree of the condition of system ing yterms of some standard

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Measurement UnitMeasurement Unit

The very first measurement units were th d i b t t d t tifthose used in barter trade to quantify the amounts being exchanged and to g gestablish clear rules about the relative values of different commoditiesvalues of different commodities.

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Measurement Unit .(cont)Measurement Unit .(con t)

For purposes of measuring length, the h t i t t lhuman torso was a convenient tool, such as units of the hand and the foot

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Measurement Unit .(cont)Measurement Unit .(con t)

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Measurement Unit .(cont)Measurement Unit .(con t)

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Traceability of MeasurementsTraceability of Measurements

all results of measurement are traceable h d d d d di d ito the standards and standardized units

-International standardNational standard-National standard

-Accredited laboratory

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FUNCTIONS of InstrumentsFUNCTIONS of Instruments and Measurement Systems.y

1 Indicating Function1. Indicating Function2. Recording Function3 C lli F i3. Controlling Function

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METHODS of Measurements 1. Direct measurement method

Direct measurement method are characterized by directly obtained measurement value, employing a direct comparison.p

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METHODS of Measurements

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METHODS of Measurements 2. Indirect measurement method

Indirect measurement method are characterized by the fact that the quantity to be measured is obtained from physical quantities of different kind

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METHODS of Measurements

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APPLICATION ofAPPLICATION of measurement Systems.y

1 Monitoring of process and operations1. Monitoring of process and operationsshow the unit value(s) being monitored

ith t t l f tiwithout serve control function2. Control of process and operations3. Experimental Engineering analysis

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APPLICATION of measurement Systems.

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APPLICATION of measurement Systems.

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