Millipore Milli-Q® SQ 2 Series Ultra Pure Water System
| Brand | Millipore |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Milli-Q® SQ 2 Series |
| Price Range | USD 1,400 – 11,500 (FOB) |
| Feed Water | Municipal Tap Water |
| Product Water Grades | ASTM Type I (Ultra-pure), ISO 3696 Grade 1, CLSI EP28-A3c Class I, USP Purified Water (for RO mode) |
| Resistivity | ≥18.2 MΩ·cm @ 25°C |
| Total Organic Carbon (TOC) | <5 ppb |
| Bacterial Count | <0.1 CFU/mL |
| Particulates (>0.22 µm) | <1/mL |
| Endotoxin | <0.001 EU/mL |
Overview
The Millipore Milli-Q® SQ 2 Series Ultra Pure Water System is a modular, benchtop-integrated water purification platform engineered for laboratories requiring consistent, on-demand access to both reverse osmosis (RO) purified water and ultrapure water (UPW) compliant with ASTM D1193 Type I, ISO 3696 Grade 1, and CLSI EP28-A3c Class I specifications. Unlike centralized or plumbed-in systems, the SQ 2 Series operates as a self-contained unit using municipal tap water as its sole feed source—eliminating dependency on pre-treated feed water or dedicated utility infrastructure. Its core purification architecture integrates a multi-stage process: pretreatment (activated carbon + sediment filtration), high-rejection RO membrane, dual-wavelength UV oxidation (185/254 nm), ion exchange polishing, and final 0.22 µm sterile filtration with optional 0.1 µm ultrafiltration for endotoxin and nuclease removal. The system employs real-time resistivity and TOC monitoring calibrated against NIST-traceable standards, ensuring continuous verification of water quality at the point of dispense.
Key Features
- Self-installation capability: Full mechanical and electrical setup completed in ≤30 minutes using color-coded components, illustrated quick-start guide, and QR-linked video tutorials—no field service engineer required.
- Modular scalability: Supports seamless integration of additional dispensing points via Switch™ mobile reservoirs or fixed wall-mounted arms; up to four independent outlets can be deployed from a single base unit without plumbing modifications.
- Ergonomic dispensing interface: Articulating arm with adjustable flow rate (0.1–1.6 L/min), tactile feedback controls, and integrated LED status indicators for conductivity, TOC, and filter life.
- Durability-validated design: Components undergo robotic lifecycle testing simulating 7 years of continuous operation—including 100,000+ cycles of reservoir insertion/removal and arm actuation—per ISO 9001-certified manufacturing protocols.
- Energy and resource efficiency: Optimized standby mode reduces power consumption by 40% vs. prior-generation systems; integrated RO reject water recovery loop cuts municipal water usage by 60% compared to conventional single-pass RO designs.
Sample Compatibility & Compliance
The Milli-Q® SQ 2 Series delivers water suitable for critical analytical applications including HPLC, LC-MS, ICP-MS, cell culture media preparation, molecular biology (PCR, sequencing, transfection), and trace metal analysis. All output water meets or exceeds requirements defined in ASTM D1193, ISO 3696, CLSI EP28-A3c, and USP . Optional nuclease- and endotoxin-free configurations comply with ISO 13485 for medical device manufacturing support and GLP/GMP environments. System firmware supports audit trail generation per FDA 21 CFR Part 11 requirements when paired with Millipore’s Elix® Connect software suite.
Software & Data Management
The embedded touchscreen interface provides real-time visualization of key parameters: resistivity (µS/cm), TOC (ppb), temperature (°C), cumulative volume dispensed (L), and remaining cartridge lifespan (%). Historical data is stored locally for ≥12 months and exportable via USB or Ethernet to LIMS-compatible CSV formats. Optional cloud connectivity enables remote monitoring, predictive maintenance alerts, and centralized fleet management across multi-site laboratory networks. Calibration logs, alarm history, and user access records are timestamped and digitally signed to satisfy ALCOA+ data integrity principles.
Applications
- HPLC and UHPLC mobile phase preparation where low TOC and particulate levels prevent column fouling and baseline drift.
- ICP-MS sample introduction systems requiring sub-ppt metal contamination control and stable resistivity.
- Mammalian and stem cell culture workflows demanding endotoxin-free water to avoid TLR4-mediated inflammatory responses.
- Next-generation sequencing library prep where RNase/DNase activity must be eliminated to preserve nucleic acid integrity.
- Calibration standard preparation for clinical chemistry analyzers operating under CAP/CLIA accreditation frameworks.
FAQ
Can the Milli-Q® SQ 2 operate without direct tap water connection?
Yes—via optional external feed tank and integrated booster pump, enabling deployment in locations lacking pressurized municipal supply.
Is validation documentation provided for GxP environments?
Yes—factory-installed IQ/OQ protocols compliant with ASTM E2500 and Annex 15 are included; PQ templates and calibration certificates traceable to NIST are available upon request.
How often do consumables require replacement?
Pre-filters: every 6 months or 1,500 L; RO membrane: every 24 months or 15,000 L; Q-POD® final polishing cartridge: every 12 months or 2,000 L—automatically tracked and displayed on-screen.
Does the system support integration with building management systems (BMS)?
Yes—via Modbus TCP or BACnet/IP communication protocols for centralized monitoring of water quality alarms, energy consumption, and maintenance scheduling.
What sustainability certifications apply to the packaging and materials?
All primary packaging uses FSC-certified 100% recycled cardboard; internal plastic housings contain ≥35% post-industrial recycled polymer, and PCBAs are RoHS 3 and REACH-compliant.
