Milli-Q® SQ 2Series Water Purification Systems
Ultrapure and RO water for general science labs. Greener Alternative Products.
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Every lab bench in need can now easily access freshly purified ultrapure water—even distant benches without feed tap water. New Milli-Q® SQ 2Series water purification systems are accessible, innovative and completely scalable so that you can focus on your science.
A choice of configurations combined with its modular design makes the system adaptable and scalable to nearly any lab or building set up. Simply select and configure (available in Western European countries, USA, Australia, India and Singapore) the set up that best fits your space and user requirements, then easily expand with more modules as your lab expands.
Features common to nearly all Milli-Q® SQ 2Series system configurations include:
- Rapid pure reverse osmosis (RO) water production at a rate of up to 42 L/h, filling the 3.5 L Switch tank in as few as 6 min
- Ergonomic dispensing of ultrapure water, from 1.6 L/min to drop by drop
- Easily expand capabilities by adding autonomous ultrapure water dispensing modules
Water specifications
| Pure RO water specifications1 | |
| Ionic content | >96% rejected typically |
| Organics & particulates | >99% rejected typically |
| Ultrapure, Type 1 water specifications1 | |
| Resistivity at 25 °C | 18.2 MΩ·cm |
| TOC | ≤ 5 ppb(2) |
| Particulates | ≤ 0.22 μm(3) |
| Bacteria | ≤ 10 cfu/L (typically ≤ 1 cfu/L)3 |
| Pyrogens (endotoxins) | Not detectable, under limit of detection < 0.001 EU/mL(4) |
| RNases | Not detectable, under limit of detection <1 pg/mL(4) |
| DNases | Not detectable, under limit of detection <5 pg/mL(4) |
| Proteases | Not detectable, under limit of detection < 15 μg/m(4) |
| 1 These values are typical and may vary depending on the nature and concentration of contaminants in the feed water. 2. With SQPAK™ TOC Quanta cartridge and SQPAK™ Final Filter and under controlled laboratory conditions. 3. With SQPAK™ Final Filter or SQPAK™ Bio Final Filter. 4. With SQPAK™ Bio Final Filter. |
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| Tap feed water requirements | |||
| Milli-Q® SR 240/240L/240XL Production Station |
Milli-Q® SP 240 Prefilter Module |
Pressure Regulator | |
| Pressure | 2 – 3 bar | 1 – 6 bar | 3 – 6 bar |
| Free chlorine | < 0.5 ppm | < 2 ppm | |
| Langlier Saturation Index (LSI) | < 0.3 | ||
| Slit Density Index (SDI) | < 5 | ||
| Temperature | 5 – 35 °C / 41 – 95 F | ||
| Conductivity | < 2000 µS/cm | ||
| TOC | < 2 ppm | ||
System specifications
| Electric power source frequency | 50 / 60 Hz ± 2 Hz |
| Electric power source voltage | 100 – 240 Vac ± 10% |
Lab Water Purification Systems
| Prefilter Module | RO Water Production Station | 3.5 L Switch Tank | Ultrapure Water Dispensing Module | |
| Dimensions (H x W x D) | 50.3 x 14.1 x 22.0 cm (19.8 x 5.6 x 8.7 in) |
50.3 x 26.7 x 22.0 cm (19.8 x 10.5 x 8.7 in) |
36.9 x 12.4 x 21.2 cm (14.5 x 4.9 x 8.3 in) |
50.3 x 26.7 x 22.0 cm (19.8 x 10.5 x 8.7 in |
| Operating weight | 6 kg (13 lb) | 10 kg (22 lb) | 3.8 kg (6.6 lb) | 12 kg (26 lb) |