DUO™ II.I, Deionized and Ultrapure Water Purification System
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The DUO™ II.I Water Purification System combines deionised (Type 2) and ultrapure (Type 1) water in ONE unit, saving you money and precious laboratory space.
- Type 2 and Type 1 water quality from one unit
- Option of remote and/or integrated dispenser
- Intuitive, icon-based, interactive user interface with touchscreen
- Up to 2 L/min Ultrapure Water with volumetric dispense
- Variable make-up rate up to 25 L/hr
- Mount on the bench, under the bench or on the wall
- Continuous TOC monitoring
- Low Endotoxin, RNase, DNase and Protease options are available
- Manufactured to ISO 9001:2015 standard. Certified to IEC 61010-1:2010 and EN 61326-21:2013
- Note: Optional accessories are available and can be purchased separately
Need a customised solution?
Optional accessories are available for purchase separately. If your order needs a customised configuration, our technical specialists will follow up with full details before your order is finalised. Contact us via the enquiry form or sales@lasec.com.
Installation, training and special delivery
Some products require installation, training, or special delivery (such as tail-lift trucks, extra labour, or hazardous material packaging). If your order needs this, we'll contact you with the additional cost before dispatch, so your final invoice may differ from the listed price.
Ordering from outside South Africa
Online ordering is currently limited to South African customers, but our full range is still available. Log an enquiry or email international@lasec.com and our international sales team will assist you through our traditional sales channels.
DISCLAIMER: All product images are for illustrative purposes only. Actual products may vary slightly in colours, controls, and visible features.
Availability:On Request
SKU
DUO-II-I
BrandAvidity Science
Introduction to DUO™ II.I Water Purification System
The DUO™ II.I Water Purification System combines the trusted purifying technology of the GENO™ II with the impressive flexibility of the ALTO™ I. It processes potable water to Type 2 for the storage reservoir, which can be used for general laboratory applications or for dispensing Type 1 water as needed.
Key Features of the DUO™ II.I Water Purification System
The DUO™ II.I Water Purification System is a complete pre-engineered system designed to provide Type 2 water that can be dispensed from the storage tank via a dispensing tap or Type 1 water that can be dispensed from an integral dispenser gun or via a remote dispenser gun. The innovative and unique DUO™ II.I Water Purification System provides two water qualities within one easy-to-use system. Save on space, initial outlay and consumable costs.
Applications for Type 2 Water
DUO™ II.I Water Purification System is suitable for Type 2 water use of 10–150 litres per day. Type 2 water is used for:
- Buffer & Media Preparations
- Sample Dilution & Reagent Preparation
- Spectrophotometry
- Protein Electrophoresis
- Cytology & Histology
- Glassware Washing & Rinsing
Applications for Type 1 Water
DUO™ II.I Water Purification System is also suitable for Type 1 water use of up to 100 litres per day. Type 1 water is used for:
- Molecular Biology, Immunology & Pharmacology
- Electrochemistry
- Critical Cell & Tissue Culture
- (GF) AAS, HPLC, IC, ICP-MS, GC, MS
- DNA Sequencing
- Genomics & Proteomics
Real-Time TOC Monitoring for Optimal Water Quality
TOC monitoring is critical when organics will affect results, so real-time TOC readings allow for confidence in your water quality.
PRODUCT WATER QUALITY
| TYPE 2 | TYPE 1 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| MODEL | MAKE-UP FLOW RATE (@15 °C/59 °F) | WATER QUALITY (@25 °C/77 °F) | AUTO VOLUMETRIC DISPENSE (@15 °C/59 °F) | DISPENSE FLOW RATE | DISPENSE WATER QUALITY (@25 °C/77 °F) | BACTERIA | TOC | ENDOTOXINS** | RNASE** | DNASE** | PROTEASE** |
| DUO II.I | ≥ 25 L/hr | 15 MΩ·cm | 0.1 - 25 L | ≥ 2 L/min | 18.2 MΩ·cm | < 0.01 CFU/ml | ≤ 5 ppb | < 0.001 EU/mL | < 1 pg/mL | < 5 pg/mL | < 0.15 μg/mL |
| DUO II.I-R | ≥ 25 L/hr | 15 MΩ·cm | 0.1 - 25 L | ≥ 2 L/min | 18.2 MΩ·cm | < 0.01 CFU/ml | ≤ 5 ppb | < 0.001 EU/mL | < 1 pg/mL | < 5 pg/mL | < 0.15 μg/mL |
**Using correct final filter TC004
SYSTEM REQUIREMENTS
| FEED WATER | ||
|---|---|---|
| Pressure | Bar / PSI | 0.1 - 6 / 1.45 - 87 |
| Conductivity | μS/cm | < 1400 |
| Temperature | °C / °F | 4 - 30 / 39.2 - 86 |
| Hardness as CaCO3 | ppm | <400 |
| Free Chlorine | ppm | < 2 |
| Colloid Index | SDI | < 3 |
| pH Value | - | 4 - 10 |
| Iron (Total Fe) | ppm | < 0.1 |
UNIT SPECIFICATIONS
| ALL MODELS | |
|---|---|
| Dimensions (HxWxD) | 500 x 490 x 290 mm / 19.7 ” x 19.3 ” x 11.5 ” |
| Dimensions (Remote Dispenser) | 640 x 250 x 255 mm / 25.2 ” x , 9.84 ” x 10 ” |
| Installed Weight | 30 kg / 66.1 lbs |
| Power Supply | 100 - 240 V ~ ; 50/60 Hz; 3.0 A (max) |
| Power Supply Output | 24 VDC, 5.0 A, 120 W (max) |
| Operating Temperature | 4 °C - 35 °C (max) / 39.2 °F - 95 °F (max) |
| Storage Temperature | 4 °C - 35 °C (max) / 39.2 °F - 95 °F (max) |
UTILITIES AND SERVICES
| REQUIREMENTS | |
|---|---|
| Water Supply | Isolated cold-water feed |
| Drain Type | Sink/Tundish/Standard up-stand with suitable trap |
| Drain Flow | > 3 L/min |
| Brand | Avidity Science |
|---|
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