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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.

$2,027.91 - $2,027.91


Storage Requirements 5° to 40°C
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Thermo Scientific™
AQUAfast Colorimeter
Each for $2,027.91


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.





5° to 40°C
Product Certifications

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.