Veolia Water Technologies & Solutions

Select Neptune Ultimate

Ultrapure water polisher

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

ECO: Sustainable water purification systems for laboratories

Reduce water and electricity wastage in your lab with our industry leading reverse osmosis (RO) systems with high water recovery rates and intelligent standby mode.

Ask for the ECO option on our popular Select water purification systems for an easy upgrade which can be made retrospectively to existing systems on your next service visit.

ECO option


Select Neptune Ultimate

Our Select range of water purification systems is compact, robust, simple to use and easy to maintain.

Additional features for the Select Neptune Ultimate

  • 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

Unit Specifications

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

System Specifications

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

Treated Water Specifications

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