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LETER
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MEASURED OR INITIANG VARIABLE
(측정 또는 초기 변수)
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READOUT OR PASSIVE FUNCTION
(읽기 또는 수동적 기능)
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MODIFIER
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A
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ANALYSIS
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ALARM
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B
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BURNER FLAME
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C
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CONDUCTIVITY
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CONTROLLER
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D
|
DENSITY (MASS) OF SPECIFIC GRAVITY
|
DIFFERENTIAL
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|
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E
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VOLTAGE (EMF)
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PRIMARY ELEMENT
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|
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F
|
FLOW RATE
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RATIO (FRACTION)
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G
|
GAGING (DIMENSIONAL)
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GLASS, GAUGE
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H
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HAND (MANUALLY INITIATED)
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HIGH
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I
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CURRENT (ELECTRICAL)
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INDICATE
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J
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POWER
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SCAN
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K
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TIME OR TIME SCHEDULE
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CONTROL STATION
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L
|
LEVEL
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LIGHT (PILOT)
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LOW
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M
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MOISTURE OR HUMIDITY
|
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MIDDLE OR INTERMEDIATE
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N
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O
|
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ORIFICE(RESTRICTION)
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P
|
PRESSURE OR VACUUM
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POINT (TEST CONNECTION)
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Q
|
QUANTITY OR EVENT
|
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INTERGRATE OR TOTALIZE
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R
|
RADIOACTIVITY
|
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RECORD OR PRINT
|
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S
|
SPEED OR SAFETY
|
SWITCH, LIMIT SWITCH
|
|
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T
|
TEMPERATURE
|
TRANSMIT
|
|
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U
|
MULTIVARIABLE
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MULTIFUNCTION
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MULTIFUNCTION
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V
|
VISCOSITY, VIBRATION
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VALVE, DAMPER OR LOUVER
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W
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WEIGHT
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WALL
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X
|
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UNCLASSIFIED
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Y
|
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RELAY OR COMPUTE
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|
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Z
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POSITION
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DRIVE, ACTUATE OR UNCLASSIFIED FINAL CONTROL ELEMENT
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INDENTIFICATION LETTERS
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