Appendix, 1 unit conversion, 1 pressure – Fluke HPMS User Manual

Page 143: A p p e n d i x, Unit conversion, Pressure, . a a

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7. APPENDIX

Page 133

© 2007 DH Instruments, a Fluke Company

7

7

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A

A

P

P

P

P

E

E

N

N

D

D

I

I

X

X

7.1

UNIT CONVERSION

7.1.1

PRESSURE

RPM4 performs all internal calculations in SI units. Numerical values input or output in other units
are converted to SI immediately after entry and back to other units just before output as needed.

Table 28 provides the conversion coefficients used by RPM4 to convert numerical values
expressed in SI units to corresponding values expressed in other units.

Table 29. Pressure unit of measure conversion coefficients

TO CONVERT FROM Pa To

MULTIPLY BY

Pa

Pascal

1.0

mbar

millibar

1.0 E-02

hPa

hecto Pascal

1.0 E-02

kPa

kilo Pascal

1.0 E-03

bar

Bar

1.0 E-05

mmWa @ 4°C

millimeter of water

1.019716 E-01

mmHg @ 0°C

millimeter of mercury

7.50063 E-03

psi

pound per square inch

1.450377 E-04

psf

pound per square foot

1.007206 E-06

inWa @ 4°C

inch of water

4.014649 E-03

inWa @ 20°C

inch of water

4.021732 E-03

inWa @ 60°F

inch of water

4.018429 E-03

inHg @ 0°C

inch of mercury

2.953 E-04

kcm

2

kilogram force per centimeter square

1.019716 E-05

user

User

User defined coefficient

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