16
SECTION 4
SPECIFICATIONS
4.1
Standard Specifications for Pump Unit
Water cooled type
Model
UTM300A-MS
UTM400A-MS
Inlet flange
VG100 / ICF152
VG150 / ICF203
Outlet flange
KF25
Ultimate pressure (after baking) (Note 1)
10
-7
Pa order
Maximum allowable inlet pressure
200Pa
Maximum allowable outlet pressure
400Pa
Pumping speed
(Note 2)
N
2
He
H
2
320 L/s
340 L/s
320 L/s
420 L/s
360 L/s
340 L/s
Compression ratio
N
2
He
H
2
1×10
9
8×10
4
1×10
4
Rated speed
45,000rpm
Start-up time
5 minutes or less
Mounting position
In any desired direction (Refer to Section 5)
Bake-out temperature at an inlet flange
120 degrees C. or less
Vibration level (by ULVAC KIKO's method)
0.012
μ
m or less (0-peak)
Noise
60 dB(A) or less
Recommended flow rate of purge gas
20 to 30 mL/min (Note 3)
Recommended pumping speed of
backing pump in case of gas purge
200 L/min or more
Admissible ambient
magnetic field
Radial direction
Axial direction
3 mT
15 mT
Water
Flow rate
Pressure
Temperature
1 to 3 L/min
0.2 to 0.5 MPa
5 to 30 degrees C.
Mass
14 kg
(
Note 1
)
When using a metal gasket at the inlet flange. When using an o-ring gasket, the
ultimate pressure is 10
-7
Pa order.
(
Note 2
)
Without a protective net. Pumping speed for N2 gas when protective net is used is
UTM300A-MS: 300 L/s, UTM400A-MS: 400 L/s.
(
Note 3
)
mL/min: volume flow rate at 0 degrees C., 1 atm (Compatible with SCCM).
Summary of Contents for UTM-MS Series
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Page 9: ...vii Introduction Location of Label...
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Page 25: ...2 1 Pump Main Unit IDENTIFICATION AND FUNCTION...
Page 27: ...3 1 Pump Construction 3 2 Principle of Turbo Molecular Pumping CONSTRUCTION AND PRINCIPLE...
Page 31: ...4 1 Standard Specifications for Pump Unit SPECIFICATIONS...
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Page 51: ...GAS PURGE...
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Page 59: ...9 1 Vacuum Pressure Rise 9 2 Abnormal Noise and or Vibration TROUBLESHOOTING...