INFICON PGD400 Pirani Gauge Display - Manual (Page 24)

24 tinb14e1 (2009-07)
4.5.1 Parameters
Switching threshold
The PGD400 has a switching function with one adjustable
threshold. The status of the switching function is displayed on
the front panel (
→  18) and can be evaluated via the floating
contact at the CONTROL connector (
→  16).
2
3
4
2
3
4
2
3
4
Me
asu
reme
nt value
Pr
es
sur
e p
Di
sp
lay
Sw
itchi
ng
fun
ction
Time t
Off On Off
Hysteresis (10%
of threshold value)
Value
The switching threshold defines the
pressure at which the switching func-
tion is activated when the pressure is
dropping.
e.g.:
(default)