User Manual

Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999164 / 19/05/2009
page 10 of 75
Technical data
We reserve the right for technical modications without prior notice!
Type
ME 4C NT
VARIO
MZ 2C NT
VARIO
MD 4C NT
VARIO
Maximum pumping speed (ISO 21360) m
3
/h 4.9 2.8 4.6
Ultimate vacuum (absolute) without gas
ballast*
mbar 70 7 1.5
Ultimate vacuum (absolute) with gas
ballast*
mbar - 12 3
Maximum permissible inlet pressure (abso-
lute)
bar 1.1
Maximum permissible outlet pressure
(absolute)
bar
1.1
Maximum permissible pressure (absolute)
at gas ballast valve
bar - 1.2
Permissible ambient temperature
storage / operation
°C -10 to +60 / +10 to +40
Permissible relative atmospheric moisture
during operation (no condensation)
% 30 to 85
Power (electric) W 575
No-load speed min
-1
30 - 2400
Maximum permissible range of supply volt-
age ( ±10% )
Attention: Observe specications of rat-
ing plate!
100-120 V~ 50-60 Hz
200-230 V~ 50-60 Hz
Maximum nominal current draw at:
100-120 V~ 50/60 Hz
200-230 V~ 50/60 Hz
A
A
3.2
1.4
6.3
2.5
Device fuse slow blow fuse 4A (200-230V) / 8A (100-120V)
Motor protection thermal cutout
Degree of protection IEC 529 IP 20
Inlet hose nozzle NW 10 mm
Outlet
silencer /
hose nozzle
NW 10 mm
hose nozzle NW 10 mm
Dimensions L x W x H approx. mm
254 x 243 x
245
243 x 243 x
245
325 x 243 x
245
Weight approx. kg 13.8 13.8 16.3
* Ultimate vacuum at setting ”Pump down” at speed ”HI”
The pump achieves its ultimate pumping speed and ultimate vacuum only at operating temperature
(after approx. 15 min.).