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- nEXT300D Turbomolecular Pump by Edwards (This Page)
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Price: 0
Product ID : B83200301
B83200301 EDWARDS NEXT400D TURBO ISO 160 FLANGE INCLUDES CONTROLLER
Description
The nEXT is a hybrid bearing compound turbomolecular pump. nEXT pumps combine our proven bearing technology (oil lubricated ceramic lower bearing with dry permanent magnetic upper bearing), an improved rotor design with a new molecular drag stage to deliver improved pumping speed and compression ratios, and user serviceability. They feature 24 V to 48 V d.c. sensor less motors with a built in drive that is fully compatible with our range of TAG and TIC controllers. They are available pre-set for either 80 W or 160 W maximum power, the former enabling use with our 100 W TIC controllers are also recommended for pumping Argon, but with a longer ramp time to full operating speed.Features
- Value for money - exceptional pumping speeds and compression ratios
- No unplanned downtime - field proven reliability in the most demanding environments
- Easy integration - standard fit in many scientific instruments
- Reliability for peace of mind - over 200,000 turbomolecular pumps installed
- Low cost of ownership - end user serviceable
Specs
| Technical Data | |
|---|---|
| Inlet flange | DN100ISO-K, DN100CF |
| Outlet flange | DN25NW |
| Vent/purge port | 1/8 inch BSP female |
| Pumping Speed
N2 He H2 |
400 ls-1 390 ls-1 325 ls-1 |
| Compression ratio: N2 He H2 |
>1 × 1011 1 x 108 5 x 105 |
| Recommended backing pump* | RV12/nXDS10i |
Max continuous inlet flow (Nitrogen)†
|
|
| Pump rotational speed | |
| Nominal rotational speed | 60000 rpm |
| Standby rotational speed | Variable from 33000 to 60000 rpm (42000 rpm default) |
| Programmable power limit settings | Variable from 50-200W (160W default) |
| Analogue outputs | Rotational speed; Power consumption; Pump temp; Controller temp |
| Start time to 90% speed | 180 s ‡ |
| Ultimate Pressure (ISO/CF)
RV backing pump | <1 x 10-8 / <1 x 10-10 mbar |
| Cooling method# | Forced air / water |
| Ambient air temperature for forced air cooling | 5 - 35 °C |
| Min cooling water flow rate (water 15 °C) | 15 l h-1 |
| Water temp range | 10 - 20 °C |
| Max inlet flange temp | 70 °C |
| Operating attitude | Vertical and upright, through to Horizontal +/-2 ° |
| Noise level at 1 metre | <45 dB(A) |
| Max magnetic field pump can tolerate | 5 mT |
| Recommended controller | TIC200 turbo and instrument controller |
| Quiescent electrical power | Typically 20 W |
Dimensions
