INFICON Edge CDG045D2 1 … 1000Torr / mbar - Manual (Page 15)

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Analog Measurement Signal vs. Pressure
1 2 3 4 5 6 7 8 9 10 0
0.9×F.S.
0.5×F.S.
0.6×F.S.
1.0×F.S.
0.7×F.S.
0.8×F.S.
0.1×F.S.
0.2×F.S.
0.3×F.S.
0.4×F.S.
1.1×F.S.
Pressure p
Measuring signal U
out
[V]
0.0×F.S.
p = (U
out
/ 10 V) × p (F.S.)
Conversion Torr ↔ Pascal
Torr mbar
5)
Pa
4)
c 1.00
1013.25 / 760 =
1.3332…
101325 / 760 =
133.3224…
Example: Gauge with 10 Torr F.S.
Measurement signal U
out
= 6 V
p = (6 V / 10 V) × 10 Torr
= 0.6 × 10 Torr = 6 Torr
5)
Source: NPL (National Physical Laboratory)
Guide to the Measurement of Pressure and Vacuum, ISBN 0904457x /
1998