Thermo Scientific™ Orion™ AQ3700 AQUAfast™ Colorimeter

Select the Thermo Scientific™ Orion™ AQUAfast AQ3700 Multiparameter Colorimeter to manage your water and wastewater analysis using over 90 preprogrammed methods

Manufacturer: Thermo Scientific™ AQ3700

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Catalog No. 13-642-400

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Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter. Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.


    Accuracy 2 full scale  %
    Description AQUAfast Colorimeter
    Display Type Graphic
    Incident Light Source 6 Light Emitting Diodes
    Inputs 15-button keypad
    Key Functions Numeric keys, ON/OFF, Up, Down, Enter, Timer, Zero, Test, Cal, Mode, Store, Shift, plus 3 Function keys
    LED Wavelengths 430, 530, 560, 580, 610, 660nm
    Method Upload Internal RJ45 port
    Outputs IRDA
    Resolution ±0.005 Abs
    Sample Size 10mL
    Software Details English, French, German, Spanish, Italian
    Test Method Preprogrammed with user prompts and feedback, user-favorite list, 10 user defined method locations
    Test Reagent Formats Powder, tablet, liquid, reagent tubes, digestion tubes. Color, Turbidity and Suspended Solids tests do not require reagents
    Auto Shut Down Time 20 minutes after last key-press
    Backlight Option Yes
    Storage Requirements 5° to 40°C
    Battery Type AA
    Data Results Output 1000 with date/time stamp
    Certifications/Compliance FCC Part 15; CE

    Select the Thermo Scientific™ Orion™ AQUAfast AQ3700 Colorimeter to manage your water and wastewater analysis using over 90 preprogrammed methods for common test parameters with automatic selection of 6 LED wavelengths and countdown timer. Methods include total nitrogen and total phosphate nutrient testing or create up to 10 custom methods using 2-14 standards and blank. This IP67 waterproof meter records 1000 data points, offers a long battery life of about 26 hours continuous use or 3500 tests and multilanguage user interface in English, French, German, Italian, Polish, Portuguese and Spanish.


    • Wide range of disinfectants in various formats to broaden our offering to a variety of industries
    • Large graphic display with step-by-step user instructions
    • Automatic countdown to measurement
    • Consistent results from shift to shift
    • Selectable languages of English, French, German, Italian, Spanish, Portuguese (Brazilian), and Polish with other languages uploadable via RJ 45 connection


    • 4 AA batteries

    Recommended for:

    • Wastewater
    • Drinking water
    • Nutrient monitoring
    • Environmental testing
    • Food and beverage
    • Industrial applications
    Note: For the most accurate results, use only Thermo Scientific Orion reagents.

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