VACUUBRAND MV 2 NT VARIO - Manual (Page 25)

page 25 of 106
Technical data
General technical data valid for all pumps
Maximum permissible inlet pressure
(absolute)
psi
(bar)
16
(1.1)
Maximum permissible outlet pressure
(absolute)
psi
(bar)
16
(1.1)
Maximum pressure difference between
inlet and outlet
psi
(bar)
16
(1.1)
Permissible ambient temperature
storage / operation
°F
(°C)
14 to 140 / 50 to 104
(-10 to +60 / +10 to +40)
Permissible relative atmospheric mois-
ture during operation (no condensation)
% 30 to 85
Maximum permissible installation altitude
above mean sea level
ft
(m)
6500
(2000)
Rated motor power
hp
(kW)
0.77
(0.575)
No-load speed 50/60 Hz rpm 30 - 2400
Device fuse
100-120V: slow blow fuse 8A
200-230V: slow blow fuse 4A
Motor protection thermal cutout, manual reset
Degree of protection IEC 529 IP 20
Gas inlet temperatures
* if pumping potentially explosive atmospheres: 50 °F to 104 °F (+10°C to +40°C)
Operating condition Inlet pressure
Permitted range of gas
temperatures at inlet
Continuous operation
> 75 Torr (100 mbar)
(high gas load)
➨
50 °F to 104 °F
(+10°C to +40°C)
Continuous operation
< 75 Torr (100 mbar)
(low gas load)
➨
32 °F to 140 °F*
(0°C to +60°C*)
Short-time
(< 5 minutes)
< 75 Torr (100 mbar)
(low gas load)
➨
14 °F to 176 °F*
(-10°C to +80°C*)