INFICON PGD400 Pirani Gauge Display - Manual (Page 10)

10 tinb14e1 (2009-07)
Measurement values
Measurement range
(air, O
2
, CO, N
2
)
5×10 -4 … 1000 mbar
(+1.9 … +10.0 VDC)
(
→ [1])
Measurement error
Gain error
Offset error
≤0.02% FSr
≤0.05% FSr
Measurement rate 30 / s
Display rate 50 / s
Filter time constant 150 ms (f
g
= 1 Hz)
Pressure units mbar, Pa, Torr
Gauge supply
Voltage +24 VDC ±5%
Current 750 mA
Power consumption 18 W
Fuse protection 900 mA with PTC element, self-
resetting after turning the
PGD400 off or disconnecting the
gauge
Switching function
Number 1
Reaction delay
≤10 ms if switching threshold
close to measurement value (for
larger differences consider filter
time constant).
Adjustment range 1×10
-3
… 500 mbar
Hysteresis ≥
10% of measurement value