INFICON LDS3000 Modular Leak Detector - Manual (Page 14)

14 Description
4.3.2 Electrical data
4.3.3 Physical data
4.3.4 Ambient conditions
Supply voltage 24 V ± 10% DC
Power input max. 10 A
Noise level < 60 dB(A)
Detectable gases 4 He, H
2
, Mass 3 (e. g. H-D, 3 He or H
3
)
Max. inlet pressure
(varying with the operation mode and
the speed of the turbo molecular
pump)
0.2 mbar ... 18 mbar
Operation in vacuum mode
Minimum detectable leak rate
(varying with the operation mode and
the speed of the turbo molecular
pump):
Helium < 5 x 10
-12
mbar·l/s
Time until ready for operation 150 s
Operation in Sniffer mode
Minimum detectable leak rate:
Helium < 1 x 10
-7
mbar·l/s
Response time in Sniffer mode G ROSS : < 5 s, F INE /U LTRA : < 1 s
Permissible ambient temperature
(during operation)
10 °C ... 45 °C
Permissible storage temperature -20 °C ... 60 °C
Max. relative humidity
at temperatures:
< +31 °C 80%
+31 °C to +40 °C decreasing linearly from 80% ... 50%
> +40 °C 50%
Type of protection IP 40
Pollution degree II
Max. altitude above sea level 2000 m
Max. induction 7 mT