STP301 is for use in electron microscopes and semiconductor applications. Edwards rotor technology gives class-leading performance for maximum process flexibility.
| Technical data | |
| Inlet flange | ISO100, CF100 |
| Outlet port | KF25 |
| Pumping Speed | |
| N2 | 300 ls-1 |
| H2 | 300 ls-1 |
| Compression ratio | |
| N2 | >108 |
| H2 | >2 x 104 |
| Ultimate pressure with bake out heating (VG/ISO flange) | 6.5 x 10-6 Pa (5 x 10-8 Torr) |
| Ultimate pressure with bake out heating (ICF flange) | 10-8 Pa (10-10 Torr) |
| Maximum allowable inlet pressure (ambient cooled) | 0.066 Pa (5 x 10-4 Torr) |
| Max continuous outlet pressure (ambient cooled) | 13 Pa (0.1 Torr) |
| Rated speed | 48000 rpm |
| Starting time | 3 min |
| Maximum inlet flange temperature | 120 °C |
| Input voltage | 100 to 120 (± 10%) V a.c. or |
| 200 to 240 (± 10%) V a.c. | |
| Power consumption at start up | 0.55 kVA |
| Pump weight | 11 kg |
| Controller weight | 7 kg |