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Electrical
Measuring Instruments
16
Mechanical Engineering
Professional
10/10/2007

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Term
RESOLUTION
Definition
THE DEGREE TO WHICH A METER CAN DISTINGUISH ONE VALUE FROM ANOTHER IS REFERRED TO AS THE METER'S RESOLUTION.
Term
ADC OR ANALOG TO DIGITAL CONVERTER
Definition
THE CIRCUIT COMPONENT IN A DIGITAL METER THAT CHANGES A SMOOTHLY VARIABLE SIGNAL TO A STEPPED SIGNAL.
Term
CAPACITOR
Definition
A DIGITAL METER MEASURES VOLTAGE BY COUNTING THE TIME IT TAKES TO CHARGE OR DISCHARGE A CAPACITOR TO A REFERENCE VOLTAGE.
Term
CF OR COUNTER-FULL FLIP-FLOP
Definition
IN A SINGLE-SLOPE INTEGRATION, THE RESET SWITCH CHANGES ITS STATE WHEN IT RECEIVES A PULSE THAT WAS GENERATED BY THE CF.
Term
BACKGROUND LIGHTING
Definition
LCDS ARE MORE LEGIBLE WHEN THEY ALSO HAVE BACKGOUND LIGHTING.
Term
SEVEN
Definition
A SINGLE NUMERAL IN AN LCD DIGITAL DISPLAY CONSISTS OF 7 SEGMENTS.
Term
1999
Definition
WHAT IS THE LARGEST # YOU CAN SEE DISPLAYED ON A 3 1/2 DIGIT METER?
Term
PERCENT
Definition
ACCURACY IS USUALLY EXPRESSED AS A ?
Term
GALVANOMETER
Definition
THE ? IS AN EXTREMELY SENSITIVE INSTRUMENT USED ONLY TO DETECT THE PRESSENCE OF A CURRENT.
Term
SPRINGS
Definition
IN A D'ARSONVAL MOVEMENT, CURRENT IS DELIVERED TO THE ROTATING COIL THROUGH THE ?.
Term
DEFLECTION
Definition
THE MAX. ANALOG METER READING IS TAKEN WHEN THE POINTER REACHES FULL ?.
Term
PERMANENT MAGNET
Definition
AN ELECTRODYNAMOMETER MOVEMENT HAS NO ?.
Term
SHIELDED
Definition
NEARBY MAGNETIC FIELDS CAN AFFECT AN ANALOG METER'S OWN MAGNETIC FIELDS UNLESS THE METER MOVEMENT IS ?.
Term
PARALLAX ERROR
Definition
A MIRROR BUILT INTO THE METER'S PRINTED SCALE HELPS TO ELIMINATE TEH PROBLEM OF ?.
Term
SENSITIVITY
Definition
BY TAKING THE RECIPROCAL OF THE FSD CURRENT, YOU FIND THE ? VALUE OF THE ANALOG METER.
Term
FSD OR FULL-SCALE DEFLECTION
Definition
ANALOG METERS HAVE THEIR GREATEST ACCURACY AT WHAT POINT ON THEIR SCALES?
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