Labotemp 18.25 MΩ·cm Ultrapure Water Purification System LWS-04 delivers high-purity laboratory water through an integrated multi-stage purification process for reliable analytical and research workflows. Available in 10, 20, 30, and 40 L/h configurations, it combines pretreatment, reverse osmosis, and ultrapure polishing to achieve 18.25 MΩ·cm resistivity at 25°C. The system provides RO water with conductivity ≤1 µS/cm at 25°C, >98% ion rejection, and >99% organic, particle, and bacteria rejection, making it suitable for routine physicochemical analysis and applications requiring consistent lab water quality.
Designed as a practical lab water purification system, LWS-04 features a 10-inch floating touchscreen with 360° adjustment, a 64-bit microprocessor, and triple online monitoring of feed, RO, and ultrapure water. Its 8-stage purification system supports tool-free cartridge replacement, while switchable circulation helps maintain low bacterial contamination in the ultrapure water loop. The standard configuration targets physicochemical analysis, while the system architecture supports dependable water preparation for analytical laboratories, research facilities, pharmaceutical laboratories, and other applications requiring high-purity water.
Why Choose Labotemp Ultrapure Water Purification System LWS-04?
✓ Flexible Capacity: Choose 10–40 L/h configurations according to laboratory demand.
✓ Advanced Monitoring: Triple online monitoring tracks feed, RO, and ultrapure water quality.
✓ Easy Maintenance: Tool-free cartridge replacement simplifies routine filter servicing.
| No. | Specification | Value |
|---|---|---|
| General Specifications | ||
| 1 | Available Capacity | 10L/ 20L/ 30L/ 40L |
| 2 | Parameter | Physicochemical Analysis |
| 3 | Voltage | AC110–220V |
| 4 | Frequency | 50/60Hz |
| 5 | Power | 45–100W |
| 6 | Water Production Capacity | 10 / 20 / 30 / 40 L/h |
| 7 | Feed Water Source | Municipal tap water, water temperature 5–40°C, pressure 0.1–0.5 MPa, TDS < 300 ppm |
| Ultrapure Water Specifications | ||
| 8 | Resistivity | 18.25 MΩ·cm @ 25°C |
| 9 | UP Water Conductivity | 0.055 µS/cm |
| 10 | Heavy Metal Ions | < 0.1 ppb |
| 11 | TOC | 5 ppb |
| 12 | Bacteria | < 0.01 cfu/ml |
| 13 | Particles (>0.2 µm) | < 1/ml |
| RO Pure Water Specifications | ||
| 14 | RO Water Conductivity | ≤ 1 µS/cm @ 25°C |
| 15 | Ion Rejection Rate | > 98% (with new RO membrane) |
| 16 | Organic Rejection Rate | > 99%, when MW > 200 Dalton |
| 17 | Particle and Bacteria Rejection Rate | > 99% |
Analytical Chemistry: Supports preparation of reagents, standards, and samples for physicochemical and instrumental analysis.
Pharmaceutical Quality Control: Provides purified water for quality testing and routine QC procedures.
Chromatographic Analysis: Suitable for preparing mobile phases and solutions for HPLC and other chromatography workflows.
Spectroscopy & Elemental Analysis: Supports sample and reagent preparation for ICP, ICP-MS, and other sensitive analytical techniques.
Research & Development: Provides consistent high-purity water for laboratory experiments, method development, and analytical research.
Environmental Analysis: Useful for preparing samples, reagents, and standards for environmental testing and monitoring.
Clinical & Diagnostic Laboratories: Supports reagent preparation and analytical procedures requiring controlled water purity.
University & Research Laboratories: Provides Type 1 ultrapure water for diverse physicochemical research and advanced laboratory applications.
