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  • RE305
  • Manufacturer has 26 in stock
    This stock is typically available to ship in 3 - 5 working days.



  • Easy to clean, rugged flat surface ORP electrode
  • Interchangeable with ExStik Chlorine or pH meters
  • Complete with protective connector cap
  • Measures in liquids, semisolids, and solids
  • ATC via built-in Pt-100O sensor


The Extech RE305 Replacement ORP Electrode Module features a rugged design and is interchangeable with ExStik® Chlorine or ORP meters. It can also measure in liquids, semisolids, and solids and has automatic temperature control via its built-in Pt-100O sensor.