VACUUBRAND MZ 1C - Manual (Page 24)

page 24 of 102
Technical data
Gas inlet temperatures
* In case of supply voltage below 100V, the lock of the cutout might be impaired.
** Measurement according to EN ISO 2151:2004 and EN ISO 3744:1995 at 230V/50Hz and at
ultimate vacuum with exhaust tube (ME 1C / MZ 1C) or with silencer (ME 1) at outlet.
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)
No-load speed 50/60 Hz rpm 1500 / 1800
Device fuse slow blow fuse 2.5 A
Motor protection thermal cutout, manual reset*
Degree of protection IEC 529 IP 40
A-weighted emission sound pressure
level** (uncertainty K
pA
: 3 dB(A))
dB(A) 45
* 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*)