INFICON PSG55x ATM to Medium Vacuum Gauge - Manual (Page 39)

tina60e1-a (2011-04) 39
Time t
Me
asu
reme
nt value
Off On
Hysteresis
(10% of threshold)
Off
Setpoint
Measurement signal
(Pressure p)
Threshold value
The setpoints SP1 and SP2 are factory set to the lower
measurement range limit and therefore do not switch.
High Trip Point
If the pressure in the vacuum system is higher than the setpoint,
the corresponding LED (<SP1> or <SP2>) is lit solid and the
corresponding relay is closed.
Time t
Off On Off
Setpoint
M
easure
ment value
Measurement signal
(Pressure p)
Threshold value
Hysteresis
(10% of threshold)
Threshold value