Two trace-contaminant requirements
Organic and endotoxin values allow the buyer to assess both influences rather than relying only on resistivity.
PRODUCT GALLERYST
Product view
Cleanroom Pure Water Systems
Laboratory Ultrapure Water System – ST-LPW11 Series
Product specifications
| Brand | ST |
|---|---|
| Public model series | ST-LPW11 |
| Feed-water requirements | municipal tap water; TDS ≤200 ppm, pressure 1.0–5.0 kg/cm², temperature 5–45°C |
| Production rate | 10/20/30/40/50/60/70/80/90/100/110/120 |
| Main unit dimensions | H × W × D: 650 × 530 × 420 |
| Unit weight | 35 kg-50 kg |
| Power supply and rated power | AC 220 V/50 Hz (power 70 W) |
| Dispensing rate | 1.8-2.0 L/min |
| RO water quality | conductivity ≤1-5 µS/cm (online monitoring) |
| Ultrapure water quality | resistivity 18.25 MΩ·cm at 25°C (online monitoring, GB/T 6682-2008) |
| Microbial level | ≤0.1 CFU/mL |
| Particle count | ≤ 1 particle/mL |
| Heavy-metal ions | ≤0.1 ppb |
| Absorbance | ≤0.001 |
| Soluble silica | ≤0.01 mg/L |
| Endotoxin | ≤0.001 Eu/ml |
| Evaporation residue | ≤1.0 mg/L |
| TOC | ≤3 ppb |
Customization availableSpecifications can be customized to your requirements.
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Laboratory Ultrapure Water System – ST-LPW11 Series combines a low TOC limit with endotoxin control in a compact laboratory water system. It is intended for preparation work where both organic background and biological residues enter the water-quality decision.
The listed 3 ppb TOC limit distinguishes this option from versions focused on ionic purity alone. Its small housing supports bench-area installation, while the output configuration should be chosen around the sequence and size of water collections.
MODELS AND DIMENSIONS
Available output models
| Model |
|---|
| ST-LPW11-01 |
| ST-LPW11-02 |
| ST-LPW11-03 |
| ST-LPW11-04 |
| ST-LPW11-05 |
| ST-LPW11-06 |
Production-rate ratings are stated at the temperature shown in the table.
FEATURES AND BENEFITS
How it helps
Local dispensing
Producing and collecting water near the preparation area reduces the need to carry water between remote filling points and benches.
APPLICATIONS
Where it is used
Reagent preparation with biological-contaminant limits
Use for preparation methods whose full endotoxin and water-quality requirements match this configuration.
SYSTEM SELECTION
Plan a compact low-TOC water point
Water specification
Select this configuration when the preparation method calls for the supplied combination of low organic background, endotoxin control and ionic purity.
Use-point position
Place the compact unit near the preparation area and choose production around the collection schedule while retaining access for consumable replacement.
PROCUREMENT / INQUIRY
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