Pfeiffer Vacuum FullRange PBR 260 - Appendix; Conversion Table for Pressure Units; Measuring Signal to Pressure Relationship

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BG 5171 BEN / B (2017-02) PBR 260
Appendix
mbar bar Pa hPa kPa Torr
mm HG
mbar 1 1×10
-3
100 1 0.1 0.75
bar 1×10
3
1 1×10
5
1×10
3
100 750
Pa 0.01 1×10
-5
1 0.01 1×10
-3
7.5×10
-3
hPa 1 1×10
-3
100 1 0.1 0.75
kPa 10 0.01 1×10
3
10 1 7.5
Torr
mm HG
1.332 1.332×10
-3
133.32 1.3332 0.1332 1
1 Pa = 1 N/m
2
p = 10
(U-7.75)/0.75+c
U = 0.75×(logp-c)+7.75
U p c
[V] [hPa] 0
[V] [Pa] 2
[V] [Torr] -0.125
overrange
underrange
Measuring signal U[V]
Pressure p [hPa]
1E+04
1E+03
1E+02
1E+01
1E+00
1E–01
1E–02
1E–03
1E–04
1E–05
1E–06
1E–07
1E–08
1E–09
1E–10
Sensor error
0.00.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
A: Conversion Table for
Pressure Units
B: Relationship Measuring
Signal – Pessure
Conversion formula
Conversion curves