VACUUBRAND MD 1C VARIO-SP - Manual (Page 25)

page 25 of 87
Technical data
Type
MD 1C
MD 1C +
AK + EK
MZ 1C
MD 1C
VARIO-SP
Maximum pumping speed
50/60 Hz (ISO 21360)
cfm
(m 3 /h)
0.77 / 0.88 (a)
(1.3/ 1.5 (a) )
0.44 / 0.5 (a)
(0.75 /0.9 (a) )
1.1
(1.8)
Ultimate vacuum (absolute)
without gas ballast
Torr
(mbar)
1.5
(2)
9
(12)
1.5 (b)
(2 (b) )
Ultimate vacuum (absolute)
with gas ballast
Torr
(mbar)
3
(4)
15
(20)
3 (b)
(4 (b) )
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)
Maximum permissible pressure
(absolute) at gas ballast valve
psi
(mbar)
17.5
(1.2)
Permissible ambient tempera-
ture storage / operation
°F
(°C)
14 to 140 / 50 to 104
(-10 to +60 / +10 to +40)
Permissible relative atmospher-
ic moisture during
operation (no condensation)
% 30 to 85
Maximum permissible
installation altitude
above mean sea level
ft
(m)
6500
(2000)
Rated motor power hp (kW) 0.01 (0.08) 0.086 (0.064)
No-load speed rpm 1500 / 1800 (a) 0 - 2400 (c)
Maximum permissible range
of supply voltage ( ±10% )
Attention: Observe specifications of
rating plate!
100-120 V~ 50/60 Hz
200-230 V~ 50/60 Hz
120V~ 60 Hz
24 V DC
safe extra
low voltage
(SELV) (d)
Maximum rated current at:
100-120 V~ 50/60 Hz
200-230 V~ 50/60 Hz
120 V~ 60 Hz
24 V DC
A
A
A
A
1.6 / 1.7
0.8 / 0.85
1.7
-
-
-
-
7