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Adrona Gradus EDI is fully integrated and compact pure and ultrapure smart tap water system. It has unique built-in dispensers that provide both ultrapure Grade 1 and pure Grade 2 water. Gradus EDI systems are intended for use in laboratories with high daily pure and ultrapure water consumption. This allows a significant reduction in the operating costs of the water treatment system, as the EDI module does not need to be replaced. The system requires external water tank and comes in 3 main configurations: Gradus EDI Trace, Gradus EDI LT, Gradus EDI Bio. It has all-new electronics and software, providing a range of advanced features: large colour touch screen, data logging capability, a wide range of flow control options, drop-by-drop function, the ability to connect multiple remote dispensers, Ethernet and USB interfaces, dispense report preparation, improved accuracy of conductivity and TOC measurements.
| Product Type | Smart Tap Water System |
|---|---|
| Model | Bio |
| Grade 1 Water Resistivity at 25 °C | 18.2 MΩ x cm |
| Grade 2 Water Resistivity at 25 °C | 10.0…5.0 MΩ x cm |
| Grade 2 Water Conductivity at 25 °C | 0.1…0.2 µS/cm |
| TOC Level | < 3 ppb |
| Rnase | < 0.01 ng/mL |
| Dnase | < 4 pg/mL |
| Bacteria | < 0.01 CFU/mL |
| Endotoxins | < 0.001 EU/mL |
| Particles >0.22 μm | < 0.05/mL |
| Dispense Rate, Ultrapure Water | 1.5 to 2 L/min |
| Dimensions (WxDxH) | 50(33) x 45 x 63 cm |
| System Weight | 30 kg |
| Operating Weight | 34 kg |
| Volumetric Dispense | 0.01 to 100 L |
| Nominal flow, pure water (to storage tank) | 3/5/10/15 L/h |
| Feed Water | Potable Tap Water |
| Conductivity | <2000 μS/cm |
| Pressure | 0.4 to 6.0 bar |
| Temperature | 5 to 35 °C |
| Mains Voltage | 200 to 240 VAC |
| Power | 130 W |
| Fuse | 230 V, 3.15 A |
| Tank | Required, Not Included |
| pH | 4 to 10 |
| Fouling Index | <10 |
| Iron | <0.1 ppm as CaCO3 |
| Aluminium | <0.05 ppm as CaCO3 |
| Manganese | <0.05 ppm as CaCO3 |
| Total Chlorine | <1 ppm |
| Langelier Saturation Index | <+0.2 |
| Dissolved CO2 | <30 ppm |
| Hardness (as CaCO3) | <160 ppm |
| Silica | <30 ppm |
| Relative Humidity | 20–80% |
