18.2 Megohm Ultrapure Water System
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18.2 Megohm Ultrapure Water System
Feed Water Requirements
- TDS of Inlet Water: <300 mg/L
- Inlet Water Pressure: 1.0–5.0 kg/cm²
Water Production Flow Rate
- RO Membrane Water Production Rate: 10 L/H
- Continuous Draw-off Flow Rate: 1–1.5 L/min
- Multiple water dispensing modes available: On-demand, Timed, Fixed Volume, Fixed Water Quality
Water Quality Specifications
- Grade III Pure Water
- Conductivity: 1–5 μS/cm
- Compliant with Grade III water standard of GB 6682-92 (China) and ASTM / CAP / NCCLS international standards
- UPI Grade Ultrapure Water
- Resistivity: 18.25 MΩ·cm @ 25°C
- Compliant with Grade I water standard of GB 6682-92 (China) and ASTM / CAP / NCCLS international standards
- Total Organic Carbon (TOC): <10 ppb
- Silica Rejection Rate: >99.9%
- Absorbance (254 nm, 1 cm optical path): ≤0.001
- Dissolved Silica (Calculated as SiO₂): <0.01 ppm
- Microorganism: <1 cfu/mL
- Particles (>0.01 μm): <1 particle/mL
- Cation Content (Unit: ppb)
- Iron (Fe) <0.002, Copper (Cu) <0.002, Aluminum (Al) <0.003, Nickel (Ni) <0.001, Zinc (Zn) <0.005, Chromium (Cr) <0.001, Sodium (Na) <0.02, Potassium (K) <0.02
- Anion Content (Unit: ppb)
- Chloride (Cl⁻) <0.01, Nitrite (NO₂⁻) <0.02, Nitrate (NO₃⁻) <0.02, Sulfate (SO₄²⁻) <0.01
Electrical & Operating Conditions
- Power Supply: 220 V / 50 Hz, Rated Power 80 W
- Operating Ambient Temperature: 5–40 ℃
- Ambient Humidity: 10%–80% (Non-condensing)
Overall Dimension & Supporting Accessories
- Overall Dimension: 340 × 550 × 530 mm
- Standard Accessory: 30 L sterile pure water storage tank
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