ENG

    GRADUS EDI

    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.

    FEATURES

    SPECIFICATION

    CONSUMABLES

    KEY FEATURES:

    • Electrodeionisation module
    • Data logging option
    • Ethernet & USB interfaces
    • Dispense report preparation
    • Multi-language interface
    • Convenient 7-inch colour touch screen
    • Easy installation and trouble-free maintenance
    • Extensive flow control options
    • Built-in conductivity calibration sensors
    APPLICATION
    TRACE
    LT
    BIO
    Reagent preparation
    *
    *
    *
    Flame AAS
    *
    *
    *
    Autoclaves
    *
    *
    *
    ICP-MS
    *
    *
    *
    ICP-OES
    *
    *
    *
    Ion chromatography
    *
    *
    *
    Liquid chromatography (HPLC)
    *
    *
    Gas chromatograhy
    *
    *
    TOC measurements
    *
    *
    Flow cytometry
    *
    Cell and tissue culture
    *
    Molecular biology
    *

    FEED WATER REQUIREMENTS:

    • Feed water: Potable tap water
    • Pressure: 0.4–6.0 bar
    • Conductivity: <2000 μS/cm
    • Temperature: 5–35 °C
    • Dissolved CO2: <30 ppm
    • Hardness (as CaCO3): <160 ppm
    • Silica: <30 ppm

    If the feed water does not meet specifications, additional pre-treatment solutions are available.

    Parameters
    Trace
    LT
    Bio
    Grade 1 water resistivity at 25 °C
    18,2 MΩ x cm
    18,2 MΩ x cm
    18,2 MΩ x cm
    Grade 1 water conductivity at 25°C
    0,055 μS/cm
    0,055 μS/cm
    0,055 μS/cm
    Grade 2 water conductivity at 25 °C
    ≤0,1 µS/cm
    ≤0,1 µS/cm
    ≤0,1 µS/cm
    TOC level
    < 10 ppb
    < 3 ppb*
    < 3 ppb*
    Rnase
    -
    -
    < 1 pg/ml
    Dnase
    -
    -
    < 5 pg/ml
    Bacteria
    < 0,01 CFU/mL
    < 0,01 CFU/mL
    < 0,01 CFU/mL
    Endotoxins
    < 0,15 EU/ml
    < 0,15 EU/ml
    < 0,001 EU/ml
    Particles >0.22 μm
    < 1/ml
    < 1/ml
    < 0,05/ml
    Nominal flow, pure water (to storage tank)
    3/5/10/15 l/h**
    3/5/10/15 l/h**
    3/5/10/15 l/h**
    Dispense rate, ultrapure water
    1,5–2 l/min
    1,5–2 l/min
    1,5–2 l/min
    Volumetric dispense
    0,01–100 l***
    0,01–100 l***
    0,01–100 l***
    Dimensions (WxDxH), cm
    50(33)*45*63 cm
    50(33)*45*63 cm
    50(33)*45*63 cm
    System weight, kg
    28
    29
    30
    Operating weight, kg
    32
    33
    34

    * In appropriate operating conditions <2 ppb, otherwise normally < 3 ppb
    ** Depends on the configuration
    *** Depends on the tank volume

    CONSUMABLES

    Part number
    Description
    Comments
    10411
    Pre-filter Q w/ quick connectors
    10033
    Polishing QC w/ quick connectors
    10037
    Polishing QH w/ quick connectors
    10017
    Sterilization UV bulb
    For Bio configuration
    10018
    UV photooxidation bulb
    For LT and Bio configuration
    10013
    0.22 µm dispense microfilter, sterile
    For Trace and LT configurations
    10120
    Replacement utrafilter
    For Bio configuration
    410175
    Tank sanitization UV bulb
    For Bio configuration
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