Linxon LX218 - Measurement Data

4 | Description LINXON
30 / 90 LX218-Operating-Manual-en1-04-(1908)
4.4.4 Measurement data
Operation modes Vacuum/sniffing
Operating readiness ≤ 3 minutes (run-up time of pump)
Inlet pressure ≤ 18 mbar (temporarily up to 25 mbar)
Filaments 2 (iridium/yttrium oxide)
Filter stages none
static
dynamic
Measurement rate 20 Hz
Display rate 3 Hz
Alarm
Acoustics/volume
Setpoint/early warning
Relay output
adjustable
adjustable
adjustable
Screen display Leak rate vs. time, analog/digital
Operation mode "Vacuum"
Minimum detectable leak rate
4
He
3
He
H
2
After AVS 2.1
< 5 x 10
-12
mbar l/s
< 5 x 10
-10
mbar l/s
< 5 x 10
-8
mbar l/s
Maximum detectable leak rate
4
He
H
2
,
3
He
1 mbar l/s
1 x 10
-2
mbar l/s
Measurement range 10
-12
… 1 mbar l/s
Measurement units for the display mbar l/s, Pa m³/s, sccm, sccs Torr*l/s,
atmcc/s
Detectable gases
4
He,
3
He, H
2
Response time (at 63% of the signal) < 0.3 s
Throughput for helium > 2.5 l/s for p
inlet
< 0.5 mbar
Throughput at inlet with large backing
pump (on LX218)
depending on the external pump
Pump-down time for high sensitivity
at a volume of 0.5 L
at a volume of 10 L
at a volume of 100 L
2 s
70 s
700 s