Yamato Scientific Type 1 Ultrapure Water Purification Systems deliver reliable, high-purity water for laboratory and analytical applications. Designed and manufactured in the USA, each system offers low-cost consumables, tool-free maintenance, real-time quality monitoring, and unmatched reliability. Whether for biological, analytical, or general lab use, there's a configuration tailored to your workflow.
All models meet ASTM Type 1 specifications with resistivity up to 18.2 MΩ-cm and include real-time monitoring for conductivity, bacteria, TOC, and more depending on the series. Compact designs are available in benchtop or remote dispense formats and support both 120V and 220V configurations.
- WB Series – Biological Water, Ultrafiltered
- WC Series – Analytical Water, UV Sterilized, Low TOC
- WG Series – Biological + Low TOC with UV & Ultrafiltration
- WA Series – General Analytical Water with Internal Recirculation
Specifications
Water Quality Performance
- Resistivity: 18.2 MΩ-cm
- Bacteria: < 1 cfu/mL
-
TOC:
- WC/WG: < 5 ppb
- WB/WA: < 15 ppb
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Particulates:
- WB/WG: < 0.05 μm
- WC/WA: < 0.2 μm
- Endotoxin (WB/WG): < 0.005 EU/mL
- RNase (WB/WG): < 0.01 ng/mL
- DNase (WB/WG): < 4 pg/μL
Flow & Installation
- Flow Rate: 2.5 LPM (typical); < 2.0 LPM with ultrafilters
- Temperature: Max 30°C (100°F)
- Pressure: 20–90 PSIG
- Inlet Connection: 3/8” O.D. tubing (9.53 mm)
- Dimensions: 54.8 × 37 × 36.5 cm (21.6 × 14.7 × 14.4 in.)
- Weight: 22.7 kg dry / 25 kg operating
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Power:
- 120V, 60Hz @ 1.0A
- 220V, 50Hz @ 0.5A
Series Comparison
| Series | Main Purpose | Filtration Features | Model Types |
|---|---|---|---|
| WB Series | Biological Lab Use | Ultrafiltration, 0.2μm final filter | WB301UFB / 311UFB (Benchtop) WB301UFR / 311UFR (Remote) |
| WC Series | Analytical Use – Low TOC | UV Oxidation, 0.2μm final filter | WC301UVB / 311UVB (Benchtop) WC301UVR / 311UVR (Remote) |
| WG Series | Biological & TOC-Free | UV + Ultrafiltration, 0.2μm final filter | WG301UVUFB / 311UVUFB (Benchtop) WG301UVUFR / 311UVUFR (Remote) |
| WA Series | General Lab / Chemistry | Internal Recirculation, 0.2μm filter | WA301B / 311B (Benchtop) WA301R / 311R (Remote) |
Key Features
- Made in the USA with fresh consumables (1-year shelf life)
- 2.5 LPM output of ultrapure reagent-grade water
- Quick-change cartridges – no tools required
- Leak detection with automatic shutoff
- Compact footprint for benchtop or remote placement
- Touchscreen display for real-time water quality monitoring
- Low cost of ownership with high-capacity cartridges
- Eco-conscious manufacturing and life cycle
- 1-year manufacturer's warranty included
Applications
- WB Series: Life science, cell culture, microbiology
- WC Series: HPLC, GC/MS, ICP-MS, trace organics
- WG Series: PCR, DNA sequencing, genetics
- WA Series: Academia, buffer prep, general chemistry