Water Analysis Instruments

Thermo Fisher Scientific offers a full range of water analysis instruments from pH, ISE, conductivity and dissolved oxygen meters, electrodes and solutions, to colorimetry, titration and on-line process monitors. Orion products are recognized worldwide for quality and accuracy, serving markets such as environmental, food and beverage, pharmaceutical, and general laboratory equipment. 

We are excited to offer the full range of AquaSensors 'smart' and analog process electrodes and mounting hardware for pH/ORP, conductivity, dissolved oxygen, ozone, free chlorine, turbidity and suspended solids.

From the basic AnalogPlus™ process sensors to the plug-and-play DataStick™ system, AquaSensors provides innovative measurement systems for your water quality and process control applications. Learn more.

Thermo Scientific Orion Products Land on Mars! The Thermo Scientific Orion 229918 sensor assembly is part of the Phoenix Mars Lander. Learn more about this historic mission... 

Now available is our new Applications & Technical Resources page. Search our extensive library of applications all available in one easy location! 

• Orion User Guides & Quick Start Guides  
• Download a PDF or request your copy of the Orion Laboratory Products catalog.
• Orion Meter Replacement Guide 
• Orion Electrode Replacement Guide 

• Meters
• Electrodes
• Colorimeters
• Titrators
• Solutions
• Accessories for Meters and Electrodes
• On-line Electrochemistry Monitors