Edwards nEXT730D - Page 24

nEXT
1230H
Gas throughput
N
2
Ar
He
H
2
mbar · I · s
-1
9
3
14
> 20
Compression r
ao
N
2
Ar
He
H
2
> 1·10
11
> 1·10
11
4·10
8
1·10
7
Ulma
te pressure with 2-stage oil-
sealed r
otary vane pump
mbar
< 5·10
-10
> 5·10
-9
> 5·10
-9
Max. permissible
forevacuum pressure for N2
mbar 15
Operang speed
min
-1
42,000
Run-up me, appro
x. min 2.5
Max. power consumpon W 660 (de
fault), 800 (max.)
Power c
onsumpon a
t ulmate pres-
sure
W 50
Type of protecon
IP
Type 1 (UL 50E)
54
1
Cooling standard Water*
Cooling oponal Air*
Cooling water c
onnecon
plug-in connecon f
or 6x1 hose / alter-
nave G 1/8
Cooling water consumpon l/h 60
P
ermissible cooling water pressure
(bar(g): bar (
gauge) is overpressure,
i.e. atmospheric pressure = 0 bar(g))
bar(g) 6
Permissible cooling water tempera-
ture
°C 15 to 35
Weight kg 32.6 24.9 23.7
Recommended forevacuum pumps XDS35i or E2M28
Noise level
with con
vecon cooling
with radial air cooler
dB(A) < 44
< 55
Max. bake-out temperature of the CF
ver
sion, water cooled
°C 100 – –
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300812671_002_C3
B8J200880_D - Technical data