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Thermo Scientific™ Orion™ AQ3700 AQUAfast™ Colorimeter

Select this multiparameter colorimeter to manage your water and wastewater analysis using over 90 preprogrammed methods.

Supplier:  Thermo Scientific™ AQ3700

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Catalog No. 13-642-400

  • $1,692.65 / Each of 1

    Save 9%

    Reg : $1,862.00

    The following deviations and disclosures may produce prices below stated discounts but will not trigger price reductions: Price shown reflects a temporary, promotional price reduction. No other purchase or commercial obligation required to receive the reduced price. Price may change at any time. Promotional price valid on web orders only. Your contract pricing may differ. Other exclusions apply.
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Select the Thermo Scientific™ Orion™ AQUAfast AQ3700 Colorimeter to manage your water and wastewater analysis needs. This instrument has over 90 pre-programmed 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 1,000 data points, offers a long battery life of about 26 hours continuous use or 3,500 tests, and multi-language 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.


2% Full scale
FCC Part 15; CE
English, French, German, Spanish, Italian
430, 530, 560, 580, 610, 660 nm
Numeric keys, ON/OFF, Up, Down, Enter, Timer, Zero, Test, Cal, Mode, Store, Shift, plus 3 Function keys
Powder, tablet, liquid, reagent tubes, digestion tubes. Color, Turbidity and Suspended Solids tests do not require reagents
10 mL
Up to 90 and 10 user defined programmed methods
Round 13 mm, 16 mm, 24 mm & 16 mm COD Digestion Tubes
6 x LED
Internal RJ45 port
±0.005 A
5°C to 40°C
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