The PURELAB Chorus 2+ (RO/DI/UV or RO/EDI/UV) from ELGA LabWater is a high-performance, flexible Type II+ laboratory water purification system designed for laboratories that require reliable, high-purity water directly from tap feed. Delivering up to 100 liters per day of consistent Type II+ water with >15 MΩ·cm resistivity, it is the ideal single-system solution for analytical, life science, and general laboratory applications.
This fully recirculating system is the only Type II+ water purification system on the market that maintains constant peak purity (>15 MΩ·cm) even during periods of low use. Its recirculating design, combined with integrated UV photo-oxidation and either Deionization (DI) or Electrodeionization (EDI) technology, ensures reliable removal of organic and inorganic contaminants while minimizing bacterial growth.
The PURELAB Chorus 2+ offers true flexibility — available in RO/DI/UV and RO/EDI/UV configurations. The EDI variant provides a cost-effective solution for high-volume laboratories, continuously regenerating ion-exchange membranes to reduce consumable costs and maintenance frequency. Both models include quick-change consumables, intuitive monitoring, and modular design options that save valuable bench space.
Its space-saving, modular design allows for wall-mounted or under-bench installation, with additional remote dispensers available for multi-user environments. Real-time water quality is displayed through a user-friendly interface, while USB data capture allows easy performance validation and software updates for complete operational accountability.
Flexible. Configurable. Simple.
Perfect for laboratories needing a tap-to-Type II+ system that combines flexibility, performance, and long-term reliability.

Contact Southern Medical Supplies Limited today to request a quote, schedule a demonstration, or discuss the best ELGA LabWater system for your laboratory. Our team provides expert consultation, installation, and support throughout the Caribbean.
| Feature | Specification |
|---|---|
| Water Type | Type II+ purified water |
| Feed Water Source | Direct tap feed |
| Technology | Reverse Osmosis (RO) + Deionization (DI) or Electrodeionization (EDI) + UV photo-oxidation |
| Resistivity at 25 °C | > 15 MΩ·cm |
| TOC (Total Organic Carbon) | < 30 ppb |
| Bacteria | < 1 CFU/mL |
| Particles | < 0.2 µm |
| Flow Rate / Daily Output | Up to 100 L/day (≈ 2 L/min) |
| Dispense Modes | Continuous or manual |
| Display / Control | LCD interface with purity and status indicators |
| Monitoring | Real-time resistivity and TOC display |
| Data Capture | USB for performance validation and software updates |
| Storage Options | 15 L, 30 L, 60 L, and 100 L reservoirs |
| Power Requirements | 100–240 V AC, 50/60 Hz |
| Operating Temperature | 5 – 35 °C |
| Feed Water Pressure | 1 – 6 bar |
| Dimensions (W × D × H) | 340 mm × 550 mm × 750 mm |
| Weight | 28 – 35 kg (depending on model) |
| Compliance | ASTM Type II+, ISO 3696 Grade 2, CLSI C3-A4 |
| Typical Applications | Electrochemistry, spectrophotometry, cell culture, media/buffer preparation, feed to Type I systems, general chemistry |
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