E-m-pf4-v1_00 – ROTRONIC PF4 User Manual
Page 9

E-M-PF4-V1_00
Rotronic AG
Bassersdorf, Switzerland
Document Code
Unit
PF4 Differential Pressure Transmitter:
Instruction Manual
Instruction Manual
Document Type
Page 9 of 54
Document Title
© 2014; Rotronic AG
E-M-PF4-V1_00
3.2.2
Unit Systems
The following unit systems are available:
Unit
Unit Symbol
Remarks
Pascal
Pa
1 Pa = 1 N/m²
Inch water column
inH
2
O 1
inH
2
O (4 °C) = 249.089 Pa
Milli-pound-force per square
inch
mpsi
1 mpsi = 0.001 psi = 6.89476 Pa
Millibar
mbar
1 mbar = 0.001 bar = 100 Pa
mm mercury column
mmHg
1 mmHg (0 °C) = 133.322 Pa
mm water column
mmH
2
O 1
mmH
2
O (4 °C) = 9.80665 Pa
Torr
Torr
1 Torr = 133.322 Pa
Gram per square centimeter
g/cm
2
1
g/cm
2
= 98.0665 Pa