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. 

The new Thermo Scientific Orion Green Electrode line is the first glass sensing pH electrode that does not contain lead in the glass.  Receive a free green tote bag with every purchase!

Our Thermo Scientific Orion Star RDO Series Optical Dissolved Oxygen Meters features RDO technology for membrane-free DO measurements combined with Orion Star Plus meter benefits.

The new Orion Water/Wastewater Products brochure is now available!  Download it now!  PDF (1.02 MB) 

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

• Download a PDF (2.59 MB) or request your copy of the Orion Laboratory Products catalog.
• Orion User Guides & Quick Start Guides 
• Orion Meter Replacement Guide 
• Orion Electrode Replacement Guide 

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