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METTLER TOLEDO™ InLab™ Redox ORP Electrodes

An ORP/Redox electrode featuring a metal ring indicator designed for measuring oxidation/reduction potential; ideal for water and other general applications.

Manufacturer:  METTLER TOLEDO™ 59904377

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Catalog No. 01920162



  • For use with METTLER TOLEDO SevenExcellence and SevenCompact meters as well as other brands. Connection cables may be required.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
  • Compatible with InMotion Autosampler to automate measurement and cleaning of up to 303 samples.

Featured Applications

  • Measuring oxidation/reduction potential (ORP)
  • Drinking water
  • Cooling towers
  • Swimming pools
  • Potable water supplies
  • Waste water
  • General lab

Accessories & Care

  • Ceramic junction (excluding the InLab Redox Flow with movable glass sleeve junction)
  • Refillable 3M KCl (51350072): Keep probe filled with electrolyte for accurate results
  • Store in 3M KCl (51350072) or InLab Storage Solution (30111142)
  • InLab Redox Pt805 and InLab Redox Ag805: no electrolyte required and must be paired with InLab Reference (51343190)
  • Recommended for use with METTLER TOLEDO buffers (Sachets: 51302080, Bottles: 63056116)


0.47 in.
For measuring the oxidation/reduction power of solution
4.72 in.
InLab™ Redox Pt805
-22°F to +266°F
-30°C to +130°C
12 mm
S7 to BNC (30281915)
120 mm
-30°C to +130°C
Half-Cell Electrode; Platinum ring indicator
Product Certifications