Manual

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