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Merck

AFS® Water Purification System

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Detailed introduction

CLRW quality

AFS® systems combine complementary water purification techniques; complete pretreatment, intelligent reverse osmosis (RO), bactericidal UV lamp treatment and a final 0.22 μm filter ensure a reliable and consistent water quality. Water produced by the systems complies with the Clinical and Laboratory Standards Institute® (CLSI) guideline for clinical laboratory reagent water (CLRW). Depending on daily volume needs, different production flow rates are available (8, 16 and 24 L/h).

The systems are designed to fulfill accreditation needs (such as CAP™ 15189 accreditation to the ISO® 15189:2007 standard), and have full monitoring and water quality archiving capabilities that allow storage of up to six months of data. Optional activation of Millitrack® Essential e-Solution allows easy, rapid access to this information and also enhances data management control and provides remote system access.

User friendly & easy maintenance

Robust AFS® systems require little maintenance, which means less analyzer downtime. When maintenance is required, an intuitive icon-based display and a new pack locking system facilitate pack changes. Systems have a small footprint and can be installed wherever it is convenient in the laboratory: on a wall, on or under a bench, or on a cart.

 

Water Specifications

AFS® Essential CLRW water (CLSI Clinical Laboratory Reagent Water)

Resistivity at 25 °C

> 15 M•cm

TOC

Typically < 30 ppb

Bacteria

< 1 CFU/mL

Silica

< 5 μg/L

System

Permeate Flow Rate

Peak Dispense Rate (to atmosphere)

AFS® 8

8 L/h

2 L/min

AFS® 16

16 L/h

2 L/min

AFS® 24

24 L/h

2 L/min

Feed water

Feed water quality

Potable

Feed water pressure

1 - 6 bar

Feed water temperature

5 - 35 °C

Minimum flow rate feed

> 5 L min at 2 bar

Total chlorine *

< 3 ppm

Langelier Saturation Index

< 0.3

Maximum Fouling Index (SDI)

< 12

* For feed water with total chlorine concentration between 1 ppm and 3 ppm, Merck Millipore suggests the use of an external PrePak.

System Specifications

Dimensions (H x W x D)

585 x 268 x 426 mm (23 x 10.6 x 16.8 in)

Operating weight

< 28 kg (61.7 lb)

Electric power supply voltage

100 - 240 V +/- 10%

Electric power supply frequency

50 - 60 Hz +/- 10%

AFS® main unit data connection

Ethernet (RJ45)

 

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