PURELAB® Classic


The PURELAB Classic features continuous water quality monitoring to deliver ultrapure water with a low bacterial specification. The system combines high performance with economy to deliver 18.2 MΩ.cm Type I ultrapure water at a very cost-effective price. This compact system is ideal for a wide range of applications including critical reagent preparation, critical glassware washing, molecular biology, bacterial and mammalian cell culture, electrophoresis, HPLC, ICP-MS, Ion chromatography and TOC measurement.

Tech Specs
Product Specifications Classic DI Classic UV Classic UF Classic UVF
Inorganics (resistivity at 25°C) 18.2 MΩ.cm 18.2 MΩ.cm 18.2 MΩ.cm 1 – 3 ppb
Organics (TOC) 3 – 10 ppb 1 – 3 ppb 3 – 10 ppb 1 – 3 ppb
Bacteria <1 CFU/ml <0.1 CFU /ml <0.1 CFU /ml <0.1 CFU /ml
Bacterial endotoxin - - <0.001 EU/ml <0.001 EU/ml
pH Effectively neutral Effectively neutral Effectively neutral Effectively neutral
Particles 0.2 μm 0.2 μm Ultrafiltration Ultrafiltration
DNase - - Removed Removed
RNase - - Removed Removed
Daily usage (max) 120 l/day 120 l/day 120 l/day 120 l/day
Daily usage (min) 1 l/day 1 l/day 1 l/day 1 l/day
Delivery flow rate 2.0 l/min max 2.0 l/min max 2.0 l/min max 2.0 l/min max
DI pack render image
DI Pack
Part Number
Life expectancy
12 months
Impact of Overuse

Weakly bound ions are released back into the water reducing resistivity

POU filter
Point-of-use Filter
Part Number
Life expectancy
6 months
Impact of Overuse

Potential recontamination of purified water and reduced flow rates

Ultra filter
Ultra Filter
Part Number
Life expectancy
24 months
Impurities Removed
Impact of Overuse

Bacterial and endotoxin specification wil lnot be maintained. Reduced flow rate.

UV Light render image
UV Light
Part Number
Life expectancy
12-18 months
Impact of Overuse

Uncontrolled bacterial contamination and TOC levels are not reduced