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Edwards  Vacuum STP301/STP301Cturbomolecular pump
Features & benefits

• Advanced rotor technology

• Maximized process flexibility

• Oil free

• Low vibration

• High reliability

• Maintenance free

• Advanced controller design

• Auto tuning

• Self diagnostic functions

• d.c.

  motor drive

• Battery-free operation

• Compact design

• Small footprint

• Half rack controller

Inlet flange: ISO100 / DN100CF
Outlet port: KF25
Purge port: KF10 (C version only)
Pumping speed
N2:300 ls^-1
H2:300 ls^-1
Compression ratio
N2: >10⁸
H2: >2 x 10⁴
Ultimate pressure with bake out
heating
ISO inlet flange: 6.5 x 10^-6 (5 x 10^-8) Pa (Torr)
CF inlet flange: (not C version) 10^-8 order (10^-10 order) Pa (Torr)
CF inlet flange: (C version only) 10^-7 order (10^-9 order) Pa (Torr)
Maximum allowable inlet pressure
Ambient cooled: 0.066 (5 x 10^-4) Pa (Torr)
Maximum continuous outlet pressure
Ambient cooled: 13 (0.1) Pa (Torr)
Rated speed: 48000 rpm
Starting time: 3 min
Maximum inlet flange temperature: 120 oC
Input voltage: 100 to 120 V a.c. (±10%) or 200 to 240 V a.c. (±10%)
Power consumption
Start up: 0.55 kVA
Weight
Pump11 kg
Controller7 kg

• Edwards STP301

• Corrosion resistant STP-301Care for use in electron microscopes and semiconductor applications.

• Edwards rotor technology gives classleading performance for maximum  process flexibility.

• STP301 has been approved for use by major equipment manufacturers in the scientific instrument, semiconductor and magnetic media industries.