Project Description

Select Neptune Ultimate

Our Select range of water purification systems is compact, robust, simple to use and easy to maintain and available in six standard models: Analyst, edi 60, HP, Purewater 300, Fusion and Neptune Ultimate. 

The Select Neptune Ultimate provides a high flow of guaranteed 18.2MΩcm ultrapure water for analytical and life science laboratory applications. 




Analytical & life sciences

Common features of all our Select systems include:

  • Space-saving, dependable, bench top or wall mounted systems
  • Dispense rate up to 2l/min
  • Optional external storage tanks up to 100 litres
  • Installation kit and all consumables included for first year’s operation
  • LCD colour touch screen panel
  • Visual and audible alarms included
  • USB port to download event data and upload software updates
  • Semi-automatic clean cycle
  • TOC monitoring
  • Point of use 0.2μm filtration

Additional features for the Select Neptune Ultimate:

  • Ion exchange cartridges incorporating monospherical, semiconductor grade mixed bed deionising resin with a low TOC leaching profile and a high activity organic absorption media 
  • Sub-micron and ultrafilter to remove particles, bacteria and endotoxins 
  • 185nm or photo-oxidising UV to cleave organic compounds into smaller charged ionic species that can be removed by ion exchange 
  • 254nm UV to reduce bacteria by more than 99%
  • WiFi connection.


Width (mm) 310
Depth (mm) 560
Height (mm) 750
Max shipping weight (kg) 21
Max working weight (kg) 29
Installation Requirements
Power Single Phase, 110-230V, +/- 10%, 50/60 Hz
Feed water < 20μS/cm
Maximum TDS (ppm) < 14
Minimum inlet pressure – psi (bar) 5 (0.34)
Maximum inlet pressure – psi (bar) 20 (1.38)
Feed water temperature 1-35°C

*Product outputs based on a feed water pressure of 4 bar

Display panel LCD – Colour touch screen
Internal filtration Ultrafiltration
Point of use 0.2μm
UV lamp 185nm & 254nm
Recirculation pump
Ultrapure polishing cartridges
Dispense modes Latched – hold – volumetric
Dispense flow rate up to 2.0 l/min
Inorganics > 18.2MΩ.CM
pH* Neutral
Bacteria < 0.1cfu/ml
Organics – TOC (ppb) < 1
Particles Ultrafiltration
Endotoxins < 0.001EU/ml
DNases < 4pg/μl
RNases < 0.01ng/ml

*pH of stored water may decrease due to absorption of free carbon dioxide

Process flow:



Browse our laboratory systems

Scroll through our systems and click on the image for more information

We offer one of the largest ranges of products, custom engineered systems, chemicals, training and support services available from a single source.

Find out more