Product - Process pH Measurement

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Learn about pH products based on Water type  

Hach has a pH probe for nearly every process in Pure Water, Clean Water, and Dirty Water. To learn more, and find the probe for your specific process, select an option below.

Digital pHD - Stainless Steel/ Immersion Pure Water Clean Water

Dirty Water

Pulp & Paper
Wastewater
Industrial Wastewater

Pure Water

Power
Industrial Utility Water
Pharmacuticals

Clean Water

Drinking Water
Food
Beverage

Hach's Process pH Product Families  

Build The Probe For Your Process
with Hach's Process pH Configurator

Premium Sensors

All-Purpose Sensors

Economical Sensors
Digital pHD sc - General Purpose LCP - General Purpose GLI Digital 3/4 Inch Combination pH/ORP Sensor, Convertible Style, Ryton Body Material, Flat Glass Electrode, Temperature Compensation - None

Digital Differential - pHD

Hach's premium line of pH sensors has unprecedented stability and low total cost of ownership. These differential probes can be installed in a wide variety of configurations to fit the most difficult processes.
*30 Month Warranty

See how the pHD works!

Analog Differential - LCP

Perfect for very difficult applications such as low conductivity or very low pH levels. These analog probes can be installed in a wide variety of configurations to fit your process.
*30 Month Warranty

Analog Combination

Hach's economical line of sensors is designed for those looking for a solid probe on a difficult budget. These basic probes can be installed in a wide variety of configurations to fit your process.
*3 Month Warranty
  • Differential Technology
  • Replaceable Salt Bridge/Protector
  • Encapsulated Preamplifier
  • PEEK® & Ryton® body materials
  • Versatile Mounting: convertible, insertion, immersion, sanitary
  • Differential Sensor Warranty
  • Digital or Analog
  • 1" in diameter
  • Low Profile Electrodes
  • Differential Technology
  • Replaceable Salt Bridge/Protector
  • Encapsulated Preamplifier
  • LCP & Ryton® body materials
  • Versatile Mounting: convertible, insertion
  • Differential Sensor Warranty
  • Analog
  • 1 1/2" in diameter
  • Combination Technology
  • PVDF & Ryton® body materials
  • Versatile Mounting: convertible, insertion, sanitary
  • Special Electrode Configurations: Rugged, Easy-to-clean, and HF acid resistant
  • Analog
  • 3/4" in diameter

Additional Information  

If you need additional assistance please contact Hach’s World Class Technical Support Team at 1(800) 227-4224

All differential pH probes are backed with Hach’s exceptional  warranty