For over 40 years, Thermo Scientific Orion products have been recognized for high quality meters, electrodes and solutions for electrochemical and colorimetric analysis.  Our products are sold across a broad range of industries for a variety of laboratory and field applications.  The focus of our water quality product offering is to protect people and the environment.

• 111.9 mS/cm Conductivity Standard Values at 0-50ºC 
• Conductivity at Temperature 147 uS/cm Standard 

Choosing the right pH electrode for an application is not always easy.  Certain samples require specific pH electrode types to avoid drift and junction clogging.  See our pH electrode selection guide to help you with your decision. 

• pH
• ISE
• Titration - potentiometric
• Conductivity & DO
  Titrations - Karl Fischer Moisture
• Colorimetry
• ORP