Reference Information
Engineering Units
For more information on engineering units, see
Pressure Units
Absolute or
Barometric
Gauge
PaA
PaG
hPaA
hPaG
kPaA
kPaG
MPaA
MPaG
mbarA
mbarG
barA
barG
g∕cm2A
g∕cm2G
kg∕cm2A
kg∕cm2G
PSIA
PSIG
PSFA
PSFG
mTorrA
mTorrG
torrA
torrG
mmHgA
mmHgG
inHgA
inHgG
mmH₂OA
mmH₂OG
mmH₂OA
mmH₂OG
cmH₂OA
cmH₂OG
cmH₂OA
cmH₂OG
inH₂OA
inH₂OG
inH₂OA
inH₂OG
atm
m asl
ft asl
V
count
count
%
%
Temperature Units
Label
Notes
°C
Degrees Celsius
°F
Degrees Farenheit
K
Kelvin
°R
Degrees Rankine
*
Displayed as kg/cmA and kg/cmG.
†
Superscript and subscript numerals are displayed as lining
(normal) numerals.
‡
Instances of µ are displayed as a lower-case u.
24
page
Notes
Pascal
Hectopascal
Kilopascal
Megapascal
Millibar
Bar
Gram force per square
centimeter†
Kilogram force per
square
centimeter*
Pound force per square inch
Pound force per square foot
Millitorr
Torr
Millimeter of mercury at 0°C
Inch of mercury at 0°C
Millimeter of water at 4°C
(NIST
conventional)†
Millimeter of water at
60°C†
Centimeter of water at
4°C (NIST
conventional)†
Centimeter of water at
60°C†
Inch of water at 4°C
(NIST
conventional)†
Inch of water at
60°C†
Atmosphere
Meter above sea level
Foot above sea level
Volt
Setpoint count, 0–64000
Percent of full scale
15.
Flow Units
Volumetric
Standard
µL ∕m
SµL ∕m
mL ∕s
SmL ∕s
mL ∕m
SmL ∕m
mL ∕h
SmL ∕h
L ∕s
SL ∕s
LPM
sLpM
L ∕h
SL ∕h
US GPM
US GPH
CCS
SCCS
CCM
SCCM
cm3∕h
Scm3∕h
m3∕m
Sm3∕m
m3∕h
Sm3∕h
m3∕d
Sm³∕d
in3∕m
Sin³∕m
CFM
SCFM
CFH
SCFH
CFD
SCFD
kSCFM
count
count
%
%
True Mass Flow Units
Label
Notes
mg∕s
Milligram per second
mg∕m
Milligram per minute
g∕s
Gram per second
g∕m
Gram per minute
g∕h
Gram per hour
kg∕m
Kilogram per minute
kg∕h
Kilogram per hour
oz∕s
Ounce per second
oz∕m
Ounce per minute
lb∕m
Pound per minute
lb∕h
Pound per hour
Time Units
Label Notes
h:m:s
Hours:Minutes:Seconds
ms
Milliseconds
s
Seconds
m
Minutes
hour
Hours
day
Days
Normal
Notes
NµL ∕m
Microliter per
minute‡
NmL ∕s
Milliliter per second
NmL ∕m
Milliliter per minute
NmL ∕h
Milliliter per hour
NL ∕s
Liter per second
NLPM
Liter per minute
NL ∕h
Liter per hour
US gallon per minute
US gallon per hour
NCCS
Cubic centimeter per second
NCCM
Cubic centimeter per minute
Ncm3∕h
Cubic centimeter per
Nm3∕m
Cubic meter per
Nm3∕h
Cubic meter per
Nm3∕d
Cubic meter per
Cubic inch per
minute†
Cubic foot per minute
Cubic foot per hour
Cubic foot per day
1000 cubic feet per minute
count
Setpoint count, 0–64000
%
Percent of full scale
Total Units
Label
Notes
μL
MicroLiter‡
mL
MilliLiter
L
Liter
US GAL
US gallon
cm³
Cubic
centimeter†
m³
Cubic
meter†
in³
Cubic
inch†
ft³
Cubic
foot†
Micropoise, a measure
µP
of
viscosity*
mg
Milligrams
g
Grams
kg
Kilograms
oz
US ounces
lb
US pounds
Reference Information
hour†
minute†
hour†
day†