Project Description

Select HP

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 HP is a compact unit designed to produce a consistent supply of > 10MΩ.cm water for HPLC, ion chromatography, atomic absorption, hydrogen generation, and clinical analyser feed.





Hydrogen generation

Atomic absorption

Ion chromatography

Clinical analyser feed

Common features of all our Select systems include:

  • Space-saving, dependable, bench top or wall mounted systems
  • RO Removes > 98% minerals and > 99% bacteria
  • Choice of production rates up to 48 l/hr
  • Optional external storage tanks up to 100 litres
  • RO Boost pump fitted as standard
  • Installation kit and all consumables included for first year’s operation
  • LCD colour touch screen panel
  • Visual and audible alarms included
  • Utilises carbon pre-treatment, RO and deionisation
  • USB port to download event data and upload software updates
  • Integral 20 litre storage as standard (excludes Neptune Ultimate)
  • Semi-automatic clean cycle.

Additional features for the Select HP:

  • Guaranteed > 10MΩ.cm water quality 
  • Remote Dispense Pod (Optional) 
  • Energy saving intelligent stand-by mode 
  • Dispense rate of up to 2 litres/min 
  • 0.2μm point of use bacterial filter 
  • Water quality parameters, MΩ.cm, °C, flowrate displayed 
  • Selectable manual and volumetric dispense feature 
  • Internal 0.1μm bacterial filtration
  • ECO option now available offering 50% recovery which equates to a significant reduction in water usage and waste
  • WiFi connection.


40/80/160 320
Width (mm) 440
Depth (mm) 560
Height (mm) 750
Max shipping weight (kg) 36 41
Max working weight (kg) 51 59
Installation Requirements
Power Single Phase, 110-230V, +/- 10%, 50/60 Hz
Feed water Potable
Maximum TDS (ppm) 1000
Minimum inlet pressure – psi (bar) 30 (2.1)
Maximum inlet pressure – psi (bar) 90 (6.2)
Feed water temperature 1-35°C
Product outputs (based on a feed water pressure of 4 bar)
@ 10°C (l/hr) 3.6 / 7.2 / 14.4 30
@ 25°C 6 / 12 / 24 48
Pure water storage 20 litre storage as standard (External 50 & 100 litre tanks available)
Display panel LCD – Colour touch screen
Pre-treatment cartridge
Reverse osmosis
Deionisation cartridge
Internal filtration 0.1μm
Point of use 0.2μm
UV lamp ✓*
Recirculation pump
Ultrapure polishing cartridge

* External tank version only

High Purity Dispense Purified Water Storage Tank
Inorganics > 10MΩ.CM
pH* Neutral
Bacteria < 1cfu/ml
Organics – TOC (ppb) < 20
Particles < 0.1μm
Dispense modes Latched – hold – volumetric
Dispense flow rate up to 2.0 l/min

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

Process flow:



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