Adixen ASM 142 D - ASM 142 D - ASM Graph D+ Technical Characteristics

A 801
ASM 142 D - ASM Graph D+
T echnical characteristics
GB 01478
-
Edition 03
- June
08
Measurement range
(Helium)
Crossover pressure
(at
inlet)
mbar.l/s Pa.m
3
/s mbar Pa
Gross leak test mode
1x10
-9
to 1 1 x 10
- 10
to 0.1
10 1000
Normal test mode
1 x 10
- 11
to 3x 10
- 4
1 x 10
- 12
to 3x10
-5
5x 10
- 1
50
Sniffing test mode
1x10
-7
to 1 x 10
- 1
1x10
-6
to 1
sniffer probe at atm. pressure
Response time (Inlet port blanked off) < 0.5 s
Helium pumping speed at inlet port:
Gross leak test mode (at minimum inlet pressure) 1.1 l/s
Normal test mode (at minimum inlet pressure)
1.3 l/s
Roughing pump characteristics:
Roughing pump pumping speed (in air) (ASM 142 D)
1 m
3
/h
Roughing pump pumping speed (in air) (ASM Graph D+)
14 m
3
/h
Analyzer cell (Spectro):
Analyzer cell design
self protected 180° magnetic deflection mass spectrometer
Analyzer cell filament 2 separate tungsten filaments
Analyzer cell sensitivity
3x10
-4
A/mbar
Emission current range 0.2 to 2 mA
Displays adjustments:
Inlet port pressure display range 10
3
to 10
-3
mbar
10
5
to 10
- 1
Pa
Audio alarm: 90 dB frequency modulated and adjustable audio signal
Hard vacuum Audio signal set point
Adjustable throughout the entire measuring range
Sniffing Audio set point Adjustable throughout the entire measuring range
Start-up time (average, at 20° C) (ASM 142 D):
Without autocalibration 1 min 22 s ± 10 %
With autocalibration
3 min 5 s ± 10 %
Start-up time (average, at 20° C) (ASM Graph D+):
Without autocalibration 1 min 15 s ± 10 %
With autocalibration
3 min ± 10 %
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