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SYMBOL
UNIT OF MEASUREMENT
α
degree
2
square centimetre
cm
Ø
millimetre
Nm
newton-metre
mm
millimetre
µm
1/1000 of a millimetre (micron)
H
hour
g/kW
grammes per kilowatt per hour
kg/h
kilogramme per hour
Lt./min.
litres per minute
Lt./h
litres per hour
ppm
parts per million
N
newton
A
Ampere
gr.
gramme
kg
kilogramme
W
Watt
kW
kiloWatt
pa
pascal
KPa
Kilopascal
bar
barometric pressure
mbar (1/1000
barometric pressure
bar)
R
Resistance
Ω
ohm
Rpm
revs per minute
average roughness expressed in
Ra
microns
°C
degree centigrade
V
Volt
millimetre
3
cubic centimetre
cm
Lt.
litre
GLOSSARY
SYMBOLS AND UNITS OF MEASUREMENT
Rotation/inclination angle
Area
Circumference
Torque
Length
Time
Specific consumption
Max. flow rate
Flow rate
Percentage
Force
Intensity of electrical current
Weight
Power
Pressure
Resistance to electrical current (referred to a
component)
Resistance of electrical current
Rotation of an axis
Roughness
Temperature
Electrical voltage
Hex-head capscrew
Volume
DESCRIPTION
9
EXAMPLE
1°
2
1 cm
Ø 1 mm
1 Nm
1 mm
1 µm
1 h
1 g/kWh
1 kg/h
1 Lt./min.
1 Lt./h
1 ppm
1 N
1 A
1 gr.
1 kg
1 W.
1 kW
1 pa
1 KPa
1 bar
1 mbar
1 Ω
1 Ω
1 Rpm
1 Ra
1°C
1 V
1 mm
3
1 cm
1 Lt.
63
EN
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