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Treated Water Specifications
APPLICATION Life Science Analytical Research General Science
Dispense Flowrate Up to 2.0 l/min 3 Up to 2.0 l/min 3 Up to 2.0 l/min 3
Inorganics @ 25°C 18.2 MΩ-cm 18.2 MΩ-cm 18.2 MΩ-cm
Total organic carbon (TOC) 1-3 ppb 1 1-3 ppb 1 3-10 ppb 1
Bacterial endotoxin <0.001 EU/ml - -
pH Effectively neutral Effectively neutral Effectively neutral
Particles Ultrafiltration ≥0.05µm ≥0.2µm 2
RNase <0.002 ng/ml - -
DNase <20 pg/ml - -
Purification pack capacity Liters to 18.2 MΩ-cm = 80,000/(µS/cm + (2.3 x ppm CO2)

1 Dependent on feed water - recommended feed <50ppb TOC.
2 With POU filter fitted.
3 When connected to Halo, Advanced or Flexible dispense module.

Dimensions and Weights
Dimensions Height minimum 435mm, Width 375mm, Depth 340mm
Weight 19kg (42lb) 19kg (42lb) 18kg (40lb)

Feedwater Requirement
Source - originally from potable supply, then pre-treated Preferably reverse osmosis (RO) produced by PURELAB Chorus 3 or filtered service deionization (SDI) or distilled.
Note: mixed bed or twin bed deionized supplies should be cation limited at exhaustion.
Fouling index (max) 1 for all models. A 5-10 micron membrane prefilter is recommended for all non-RO feeds
Service deionization (SDI)
1 MΩ-cm minimum resistivity at exhaustion
Reverse Osmosis (RO)
Recommended <30µS/cm
Free Chlorine 0.05 ppm max
TOC Recommended 50 ppb max (RO feed)
Carbon dioxide 30 ppm max
Silica 2 ppm max
Particulates Filtration down to 0.2 micron advisable to protect internal and/or point of use filters
Temperature 1 - 40°C - Recommended 10 - 15°C
Flowrate (maximum requirement) 130 l/hr (34 USG)
Drain requirements
(gravity fall with air gap).
Maximum during service
Up to 2 l/min (0.5 USG)
Feedwater pressure 0.7 bar (10 psi) maximum, 0.07 bar (1 psi) minimum 4
4 F it LA652 Pressure Regulator where feedwater pressure exceeds specified limits

Electrical Requirements
Mains Input 100 - 240V AC, 50 - 60Hz all models
System voltage 24V DC
Power consumption during peak demand (dispense) 90VA
Noise level during recirculation <40 dBA