ELGA PURELAB Micra Series Ultra-Pure Water System
| [Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | PURELAB Micra |
| Price Range | USD 4,200 – 7,000 |
| Feed Water | Municipal Tap Water (Conductivity < 2,000 µS/cm, Free Chlorine < 0.5 ppm, Silica < 30 ppm, TOC < 3 ppm, Temperature 4–40 °C) |
| Product Flow Rate | Up to 10 L/h |
| Resistivity | >2 MΩ·cm (typically >10 MΩ·cm at 25 °C) |
| Conductivity | <0.5 µS/cm (typically <0.1 µS/cm at 25 °C) |
| Total Organic Carbon (TOC) | <50 ppb |
| Heavy Metals & Soluble Silica | <0.1 ppb |
| Particulates (>0.1 µm) | RO-grade rejection (>99%) |
| Microbial/Endotoxin Specification | Not Specified (NS) |
| Power Input | 100–240 V AC, 50–60 Hz |
| Internal DC Supply | 24 V DC |
| Max Power Consumption | 50 VA |
| Dimensions (W×D×H) | 505 × 230 × 335 mm |
| Weight (Dry) | 15 kg |
| Noise Level | <40 dBA |
| Installation | Benchtop, Floor-standing or Wall-mounted |
Overview
The ELGA PURELAB® Micra Series is a compact, energy-efficient ultra-pure water system engineered for general laboratory applications requiring consistent Type II (ASTM D1193-20) or equivalent purified water. Unlike traditional distillation units, the Micra employs a multi-stage purification architecture—integrating pre-filtration, reverse osmosis (RO), and optional post-RO deionization—to deliver water with resistivity exceeding 2 MΩ·cm (typically >10 MΩ·cm at 25 °C), TOC <50 ppb, and heavy metals/silica <0.1 ppb. Designed for continuous operation with minimal user intervention, it serves as a sustainable, low-maintenance alternative to bottled water or legacy steam distillers—reducing energy demand by up to 90% and eliminating quartz vessel cleaning, heating element replacement, and boil-over risks.
Key Features
- Compact footprint (505 × 230 × 335 mm) enabling flexible benchtop, floor-standing, or wall-mounted installation
- Integrated 1″ BSP inlet/outlet interface compatible with standard water storage tanks (e.g., MICTANKM1)
- Low-power 24 V DC internal architecture with peak consumption of only 50 VA
- Real-time, user-selectable water quality indicators—including resistivity, conductivity, and TOC monitoring—with visual alarm outputs
- RO membrane with >99% rejection efficiency for ions, colloids, and particulates >0.1 µm
- Extended service life consumables—pre-filters, RO membranes, and optional ion exchange cartridges—designed for simplified, tool-free replacement
- Noise level <40 dBA ensures quiet operation in shared lab environments
Sample Compatibility & Compliance
The PURELAB Micra is intended for feed water meeting ISO 3696:1987 Grade 3 or ASTM D1193-20 Type IV specifications: municipal tap water with conductivity ≤2,000 µS/cm, free chlorine ≤0.5 ppm, silica ≤30 ppm, TOC ≤3 ppm, and turbidity ≤10 NTU. Its output meets or exceeds ASTM D1193-20 Type II water requirements for general analytical use—including buffer preparation, media formulation, glassware rinsing, and HPLC mobile phase dilution. While not certified for USP or ISO 13485-compliant pharmaceutical production, its design supports GLP-aligned documentation practices when paired with optional data logging modules and audit-trail-capable software interfaces.
Software & Data Management
The Micra operates via embedded firmware with no external PC dependency. Optional digital interfaces—including RS-232 or analog 4–20 mA outputs—enable integration into centralized facility monitoring systems. When configured with ELGA’s LogIQ™ data logger (sold separately), the system records timestamped resistivity, TOC, flow rate, and alarm events—supporting 21 CFR Part 11–compliant electronic records when deployed with appropriate access controls and audit trail configuration. All firmware updates are performed via secure USB flash drive, ensuring traceability and version control without network exposure.
Applications
- Preparation of reagents, standards, and calibration solutions for UV-Vis, AAS, and ICP-OES
- Rinsing of volumetric glassware and analytical instrumentation sample loops
- Dilution of HPLC and GC mobile phases where Type II water suffices
- Media and buffer preparation for microbiology and cell culture (non-critical applications)
- Feed water source for downstream ultrapure systems (e.g., PURELAB Option or CENTRA platforms)
- General-purpose laboratory water needs in academic, industrial QC, and environmental testing labs
FAQ
What feed water quality is required for reliable Micra operation?
Tap water must comply with maximum limits: conductivity ≤2,000 µS/cm, free chlorine ≤0.5 ppm, silica ≤30 ppm, TOC ≤3 ppm, iron/manganese ≤0.1 ppm, and temperature between 4–40 °C (optimal 15–25 °C).
Can the Micra produce water suitable for HPLC or LC-MS?
No—its output meets ASTM Type II specifications only. For HPLC or LC-MS, a final polishing stage (e.g., UV oxidation + 0.22 µm filtration) is required; consider pairing with an ELGA PURELAB Ultra or Option series system.
Is the system compliant with 21 CFR Part 11?
Standalone Micra units are not Part 11–compliant. However, when integrated with LogIQ™ and configured with role-based user authentication, electronic signatures, and immutable audit trails, the full solution may support regulated workflows under qualified conditions.
How often must consumables be replaced?
Pre-filters: every 6 months or 1,000 L (whichever occurs first); RO membrane: 2–3 years depending on feed water quality; optional DI cartridge: 6–12 months. Replacement intervals are tracked via onboard usage counters.
Does the Micra include a water storage tank?
No—the system is tank-agnostic and connects directly to user-supplied storage vessels (e.g., MICTANKM1) via 1″ BSP fittings. Tank level sensing and pump control are managed externally or via optional ELGA tank modules.
