Technical specifications WSU 2 mini
• Economical and resource-saving production of ultrapure water for laboratory use and in-vitro diagnostics
• Simple and quick (< 1 min.) consumables replacement by the user
• Simple and safe sampling point
Operating principle
Multi-stage ion exchanger with UV disinfection and sterile filter units
Resistivity
Output Conductivity
TOC-value (Total Organic Carbon)
Microorganisms
Filtration
> 10 MΩ
< 0.1 µS/cm
< 500 ppb
< 1 cfu/ml
0.2 µm
Highlights
• Bench-top system
• Recommended: Pre-filtration unit
- Pre-filtration unit for fair or decent water quality, mountable on trolley
- Pre-filtration unit for poor and very poor water quality, on trolley
• Leakage sensor included
• WSU 2 mini: 1 L/h up to 20 L/h withdrawal volume
• Meets the Specification of all cobas instruments by Roche Diagnostics
• Temperature-compensated conductivity measurement
• Dynamic maintenance intervals depending on consumption and water input quality
(The device displays when something needs to be changed)
• Quick exchange of consumables (resin, filters, UV-lamp) < 1 min.
-
Control unit:
- Microcontroller system with touch display
- Warning if conductivity exceeds 0.2 µS/cm (5 MΩ)
-
Sterile filter:
- 1x sterile filter with filtrate connections
- Membrane: 0.2 µm
-
Pre-filtration Unit:
- SPECTRUM Filter Activated Carbon
-
Pre-treatment – Descaler / Softener (poor / very poor raw water conditions):
- Reduction of water hardness
- Controlled via LCD-display
- Capacity: 30 Liters
-
Pre-treatment – Decarbonizer (poor / very poor raw water conditions):
- Removes:
– residual chlorine
– particles
– magazines
– bacteria
– suspended substances
– algae
– odor
– macromolecule organic substances - Constant flushing
Controlled via LCD-display
-
UV-lamp:
- UV-lamp 14W, lifetime approx. 2000-3000 hours
-
Spectrum Pure Cartridge:
- The Spectrum Pure Cartridge is specifically designed for the WSU 2 mini device range to produce ultrapure water with a conductivity > 18 MΩ.
- The Spectrum Pure Cartridge is ready to use filled with a strongly acidic cation exchanger and a strong alkaline anion exchanging resin.
WSU 2 mini Order Information
| Roche Material Number | Description | Product Picture |
|---|---|---|
| 10304910001 | Water Supply Unit 2 mini, 20 L/h |  |
| 10299452001 | Pre-filtration Unit |  |
| 10334908001 | Descaler/Softener | |
| 10334819001 | Decarbonizer | |
| Consumables | ||
| 06661319001 | Filter Tiefenfilter 9 3/4″ (Pre-treatment Unit) |  |
| 08452300001 | Filterelement Activecoal 4 7/8″ ROCHE WSU II |  |
| 10304987001 | UV-lamp WSU 2 mini | |
| 09870504001 | SPECTRUM Pure Cartridge filled | |
| 1036637001 | Sterile filter WSU 2 mini (0.2µm) | |