INFICON PCG55x ATM to Medium Vacuum Gauge - Manual (Page 11)

tina56e1-d (2014-01) 11
Voltage vs. pressure
3PCx-0xx-xxx0
1.286 V/decade, logarithmic
3PCx-0xx-xxx1 1 V/decade, logarithmic
3PCx-0xx-xxx3 1 V/decade, logarithmic
3PCx-0xx-xxx2 →  21
Output impedance 2 × 4.7 Ω, short circuit-proof
Load impedance >10 k Ω
Response time <30 ms
Gauge identification
FCC 68 (+0.61 … +10.23 V)
71.5 k
Ω
HV adjustment at <10
-5
mbar
ATM adjustment at >100 mbar
Solid state relays switching functions SP1,
SP2, ATM
Setting range (N
2
) 5.0×10
-5
… 1500 mbar
Hysteresis
1)
10% of threshold
Switching characteristics
1)
Low Trip Point
Contact rating <30 V (ac) / (dc), ≤0.3 A
resistive
closed LED lit solid
open LED off
Switching time <30 ms
1 ) The hysteresis and the switching characteristics can be
programmed via the serial interface or the diagnostic port.