Product - Process pH Measurement

Learn about pH products based on Water type  


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

Hach pHD sc Online Process pH Sensor - General Purpose Stainless Steel pH Sensor Clean Water Pure Water

Dirty Water

Pulp & Paper
Wastewater
Industrial Wastewater

Clean Water

Drinking Water
Food
Beverage

Pure Water

Power
Industrial Utility Water
Pharmacuticals

Hach’s Process pH Sensor Families  

Select the Right Process pH Sensor For Your Processs

Premium pH Sensors

Specialty pH Sensors

Low-Cost pH Sensors

Hach pHD sc Online Process pH Sensor - General Purpose pH Sensor General Purpose Glass pH Electrode, Convertible Mounting Style, Built-In Preamplifier Digital 3/4 Inch Combination pH/ORP Sensor, Convertible Style, Ryton Body Material, Flat Glass pH Electrode, Temperature Compensation - None

pHD Product Family

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

See how the pHD works!

LCP Product Family

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

Analog Combination pH

Hach's economical line of process pH sensors are designed for those looking for a solid probe on a difficult budget. These basic pH sensors 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

Process pH Sensor Videos