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pH / ORP Sensor Technology

AIP Tech

Axial Ion Path

Conventional pH Sensor

The Barben Analytical Performance Series probe is a simple combination pH/ORP electrode. It is the best available pH/ORP sensor on the market for Industrial or “tough processes.” In +90% of industrial applications the reference cell is the main cause of sensor failure. Chemical attack from the process liquid, plugging by particulates, and contamination of the electrolyte are all common reference failure modes. The Barben electrode has a unique, patented reference cell - Axial Ion Path®, which allows it to last much longer than traditional double reference junction designs. The Axial Ion Path® reference provides higher stability and therefore better accuracy between calibrations.

Applications where Barben Performance Series pH / ORP Sensors excel:

Liquids Containing:

  • H2SO4
  • NaOH
  • KOH
  • HCl
  • NH4
  • Sulfides
  • H2S
  • Brine Solutions
  • Hydrocarbons

Process Conditions:

  • Elevated Temperature
  • High Pressure
  • Cyclic Pressure
  • High Particulates


Industries where Barben Performance Series pH / ORP Sensors are used:

Chemical Industry

  • Bromine
  • Chlor-Alkali
  • TiO2
  • Pigmentation and Dyes
  • Surfactants


  • FGD Scrubbers
  • Gypsum Slurry
  • Waste Treatment


  • Semiconductor
  • Glass Production
  • Integrated Steel Mills
  • Metal finishing

Metals & Mining

  • Gold, Silver, Aluminum, Nickel & Copper extraction
  • Cement, limestone, Gypsum, Sand and Salt
  • Smelting

Bio & Food Processes

  • Corn Syrup
  • Ethanol
  • Methanol
  • Sugar Production
  • Bio-Products and derivatives

Oil, Gas & Refining

  • Offshore
  • SAGD
  • Strippers
  • Desalter Wash Water
  • FCC Scrubbers
  • Waste Water
  • Quench Water


  • Olefins
  • Aromatics

Pulp & Paper

  • Kraft mill bleach plant
  • Recycle - De-ink
  • Tall Oil


  • Herbicides
  • Pesticides
  • Phosphate

Municipal Water & Wastewater

  • Coagulation
  • Aeration Basin
  • Outfall


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