Siemens SITRANS Series - List of abbreviations; B.1 Pressure transmitter abbreviations

List of abbreviations
B
B.1 Pressure transmitter abbreviations
List of abbreviations
Table B-1 Units
Abbrevi‐
ation
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In full Meaning
bar bar bar
bar a bar absolute Pressure unit for absolute pressure
bar g bar gauge Pressure unit for gauge pressure
mbar mbar Millibars
torr torr torr
atm atm Atmospheres
inH
2
0 a inches of water ab‐
solute
Pressure unit for absolute pressure
inH
2
0 g inches of water
gauge
Pressure unit for gauge pressure
inH
2
O
(60 °F)
inW60 inches of water at
60 °F
inH
2
O (4
°C)
inW4 inches of water at 4
°C
inH
2
O inW68 inches of water at
68 °F
inH
2
O (4
°C)
mmW4 millimeters of water
at 4 °C
mmH
2
O mmW68 millimeters of water
at 68 °F
FtH
2
O FtW68 feet of water at 68
°F
inHg inHG inches of mercury
at 0 °C
mmHg mmHG millimeters of mer‐
cury at 0 °C
g/cm² G/cm2 grams per cm
2
lb Pound Unit of weight
psi PSI pounds per square
inch
psi a psi absolute Pressure unit for absolute pressure
psi g psi gauge Pressure unit for gauge pressure
Pa Pa Pascal
KPa KPa Kilopascal
MPa MPa Megapascal
SITRANS P320/P420 (mA/HART)
Operating Instructions, 06/2018, A5E44852162-AA 251