The nXDS15i dry scroll vacuum pump is the perfect oil free solution for pairing with any modular leak detector system.

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The nXDS15i dry scroll vacuum pump is the best performing pump in its class.


  • Advanced scroll-form and tip-seal technologies –  deliver best‑in-class vacuum performance and unrivalled ultimate vacuum levels.
  • Unique tip seal design – significantly reduces wear to minimize maintenance and extend service life.
  • Quiet operation – with typical noise during operation < 52 dB(A) for minimal environmental impact. 
  • Advanced interface – providing a variety of traditional and analogue and digital control methods enabling remote control/monitoring via RS232 or RS485


  • Backing turbomolecular pumps
  • Chamber evacuation
  • Chemical applications including gel dryers and solvent recovery
  • Electron microscopy
  • High energy physics
  • Mass spectrometry


nXDS15i Brochure

nXDS15i Manual

Technical Data:

Technical Data nXDS15i
Nominal rotational speed 1800 rpm
Displacement 17.1 m3/h (10.1 ft3/min)
Peak pumping speed 15.1 m3/h (8.9 ft3/min)
Ultimate vacuum (total pressure) 0.007 mbar (0.005 Torr)
Max inlet pressure for water vapor 35 mbar
Max water vapor pumping rate 280 g/h
Maximum continuous inlet pressure 200 mbar
Voltage input 100-127 V/200-240 V
Voltage frequency 50/60 Hz
Motor power 300 W
Power connector IEC EN60320 C13
Recommended fuse 10 A, 250 Vac rms
Weight 25.2 kg (56 lbs)
Inlet flange NW25
Exhaust flange NW25
Noise level 52 dB(A)
Vibration at inlet flange < 4.5 mm/s(rms)
Leak tightness (static) < 1×10-6 mbar l/s
Operating temperature range 5 to 40 °C (41 to 104 °F)