B
© 2018 Cutting Edge Optronics, Inc.
60
Patara I and II Laser User Manual
Appendix B: System International Units
The following System International (SI) units, abbreviations, and prefixes are
used throughout Northrop Grumman user manuals:
Quantity
Unit
Symbol
Abbrv.
Prefixes
mass
gram
g
tera
(10
12
)
T
length
meter
m
giga
(10
9
)
G
time
second
s
mega
(10
6
)
M
frequency
Hertz
Hz
kilo
(10
3
)
k
force
Newton
N
deci
(10
-1
)
d
energy
Joule
J
centi
(10
-2
)
c
power
Watt
W
milli
(10
-3
)
m
electric current
Ampere
A
micro
(10
-6
)
µ
electric charge
Coulomb
C
nano
(10
-9
)
n
electric potential
Volt
V
pico
(10
-12
)
p
resistance
ohm
Ω
femto
(10
-15
)
f
inductance
Henry
H
atto
(10
-18
)
a
magnetic flux
Weber
Wb
magnetic flux
density
Tesla
T
luminous intensity
candela
cd
temperature
Kelvin
K