Pfeiffer Vacuum ASM 340 - Technical data and dimensions; General; Technical characteristics

11 Technical data and dimensions
11.1 General
Databases of technical characteristics of Pfeiffer Vacuum leak detectors:
●
Technical characteristics according to:
─
AVS 2.3: Procedure for calibrating gas analyzers of the mass spectrometer type
─
EN 1518: Non-destructive testing. Leak testing. Characterization of mass spectrometer leak
detectors
─
ISO 3530: Methods of calibrating leak detectors of the mass-spectrometer-type used in the
field of vacuum technology
●
Standard conditions: 20 °C, 5 ppm
4
He ambient conditions, degassed detector
●
Zero function or background suppression enabled
●
Acoustic pressure level: distance in relation to the detector 1 m.
11.2 Technical characteristics
Parameters ASM 340
Wet model
ASM 340
Dry Model
ASM 340
Integrable model
Connection flange (in-
let)
DN 25 ISO-KF DN 25 ISO-KF DN 25 ISO-KF
Flow rate for He 2.5 l/s 2.5 l/s 2.5 l/s
Backing pump capacity
15 m
3
/h 3.4 m
3
/h
According to customer
backing pump
Start-up time (20 °C)
without calibration
~ 3 min ~ 3 min -
Sound level 54 dB(A) 52 dB(A) 54 dB(A)
Protection type IP 20 IP 20 -
Max. power consump-
tion
850 W 600 W 350 W
Maximum test pressure 25 hPa 25 hPa
25 hPa
1)
Weight 56 kg 45 kg 32 kg
Detectable gases
4
He, Mass 3 , H
2
4
He, Mass 3 , H
2
4
He, Mass 3 , H
2
Test method Hard vacuum and
sniffer
Hard vacuum and
sniffer
Hard vacuum and sniff-
er
Minimum detectable
leak rate for helium
(sniffer leak detection)
5 · 10
-9
atm cc/s
(5 · 10
-10
Pa m
3
/s)
5 · 10
-9
atm cc/s
(5 · 10
-10
Pa m
3
/s)
5 · 10
-9
atm cc/s
(5 · 10
-10
Pa m
3
/s)
Minimum detectable
leak rate for helium
(hard vacuum leak de-
tection)
1 · 10
-12
atm cc/s
(1 · 10
-13
Pa m
3
/s)
1 · 10
-12
atm cc/s
(1 · 10
-13
Pa m
3
/s)
1 · 10
-12
atm cc/s
(1 · 10
-13
Pa m
3
/s)
Power supply
2)
100-110 V~- 50/60 Hz
200-240 V~, 50/60 Hz
100-240 V~- 50/60 Hz 100-240 V~- 50/60 Hz
1) Between 25 hPa and 5 hPa, qualitative measurement only.
2) According to IEC/UL/CSA regulations, products can withstand a supply voltage variation of ± 10%.
Environmental conditions
Parameters ASM 340
Wet model
ASM 340
Dry Model
ASM 340
Integrable model
Use temperature (in hard vacuum test) 0–45 °C 0–35 °C
0–45 °C
1)
Use temperature (sniffer) 0–40 °C 0–35 °C 0–40 °C
Storage temperature -20–+55 °C
1) If ultimate vacuum of backing pump < 5·10
-2
hPa. Otherwise, 0–40 °C
Technical data and dimensions
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