WEL pH and ORP Electrodes

Walchem’s WEL Series electrodes are cost-effective differential pH and ORP electrodes for industrial applications. They are modular in design with a rugged CPVC housing that contains the electronics; pH and ORP cartridges can easily be connected or replaced in minutes without tools.

WEL Sensors

Key Benefits:

  • Differential preamp
  • Universal mounting, easy to install
  • Easily replaceable electrode cartridges
  • Electronics are not discarded with the electrode
  • Optional ATC
  • Cartridge Styles:
    • Flat Surface
    • Bulb / Rod
    • HF Resistant
    • Low Ionic Strength pH cartridge
  • Resistant to electronic noise, ground loops
  • CE Performance & Safety Certifications