LEYBOLD IONIVAC Series - Appendix; A: Relationship Output Signal - Pressure

Appendix
GA09420_002_C0 – (2016-10) –
 Leybold
45
Appendix
A: Relationship Output Signal – Pressure
Conversion formulae
p = 10
(U - 7.75) / 0.75 + c
U = 0.75 × (log p - c) + 7.75
where U p c
[V] [mbar] 0
[V] [Pa] 2
[V] [Torr] -0.125
Conversion curve
1E+01
1E–01
1E–03
1E–05
1E–07
1E–09
1E+03
Measuring signal U[V]
0.0
Sensor error
Inadmissible range
Inadmissible range
1E+04
1E+02
1E+00
1E–02
1E–04
1E–06
1E–08
1E–10
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0