Siemens ULTRAMAT 23 - Page 235

List of abbreviations
C.1 List of abbreviations
ULTRAMAT 23
Manual, 3/2016, A5E37100388-003
235
Abbreviation/symbol
Description
L
Live wire
lb, lbs. pound(s), 1 lb. ≙ 435.6 g
LCD
Liquid Crystal Display
LED
L
ight
E
mitting
D
iode
m
Meter
m
3
Cubic meter
max.
Maximum
MR
Measuring Range
MB = Mbit
10
6
bit
mbar
Millibar, 1 mbar ≙ 1 hPa
mg
Milligram
MHz
Megahertz
min
Minute(s)
MLFB Machine-readable Order No. (German
M
aschinen
l
esbare
F
abrikate
B
ezeich-
nung)
mm
Millimeter
mm
2
Square millimeter
MPa
Megapascal
mA
Milliampere
mV
Millivolt
MV
Solenoid valve
MV
Measured Value
N
Neutral (conductor)
N
2
N
2
= nitrogen
N
2
O
N
2
O
= dinitrogen monoxide, common name laughing gas
nA
N
ano
a
mpere
NAMUR
N
ormen
a
rbeitsgemeinschaft für
M
ess-
u
nd
R
egeltechnik in der chemischen
Industrie (standardization body for instrumentation and control technology in
the chemical industry)
NBR
Nitrile Butadiene Rubber , a plastic, common name e.g. Buna
NC
Not Connected
neg.
negative
nF
Nanofarad
NFPA
N
ational
F
ire
P
rotection
A
ssociation, a non-profit fire protection organization
in the USA
NH3
NH
3
= ammonia
NO
NO = nitrogen monoxide
NO
x
Name for total nitrogen oxides
No.
Number
O
2
O
2
= oxygen
or similar
or similar
PA
Process Analytics
PA
Polyamide, a plastic