Colorimeters

Light-sensitive instruments that measure the absorbance of particular wavelengths of light by a solution, typically in order to determine the concentration of a known solute within that solution via the Beer-Lambert law. Hand-held models are available.
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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.
Measure common colorimetric water and wastewater parameters using the Thermo Scientific™ Orion™ AQUAfast AQ4000 Colorimeter. This instrument has 65 pre-programmed methods, automatic selection of four wavelengths and timer.
The Thermo Scientific™ Orion™ AQUAfast™ AQ3140 COD colorimeter is a single parameter instrument for determining chemical oxygen demand in water. This colorimeter is designed to give accurate, reproducible results by offering features such as large digital backlit display, automatic switch-off, user...
The Thermo Scientific™ Orion™ AQUAfast™ AQ3170 colorimeter has a rugged and waterproof design to provide accurate chlorine measurements whether testing in the laboratory or the field. This colorimeter is designed to improve the user experience by including a large, backlit display, a real time clock...
Handle all testing needs with the broad range of pre-programmed methods offered by the Thermo Scientific™ Orion™ AQ3700 AQUAfast™ Colorimeter. The software prompts users through the test steps, ensuring conformity and consistency in gathering important test results.
Orion™ AquaMate 7000 Tungsten Lamp is a replacement part for the Orion™ AquaMate 7000 Vis Spectrophotometer. Choose the accuracy, dependability and ease of use of the Thermo Scientific™ Orion™ AquaMate 7000 Vis Spectrophotometer and its accessories and replacement parts to optimize your water and...
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Depend on Thermo Scientific Orion AQUAfast colorimeters for simple, accurate, and portable instruments for your water analysis. Offering a wide range of methods, optimum wavelengths, user-friendly displays, and easy calibration, AQUAfast colorimetry meters are fieldwork essentials.
Spectrophotometers, Colorimeters and Turbidity meters are all optical measurement systems that are critical for determining concentrations of specific analytes or other attributes of aqueous samples. All three categories of optical instruments are frequently key parts to a laboratory’s analytical...
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Orion AQUAfast AQ4000 Colorimeter
Orion AQUAfast AQ3700 Colorimetry Meter - User Guide