Electrodes are produced for optimum use in analytical chemistry and biochemical research. Measure various chemical concentrations, pH levels, conductivity, temperature, gas pressure, voltage, and much more with the variety of electrodes available in our catalog. Rugged digital electrodes are suitable for portable field measurements, and certain models have ports that allow for multiple different electrode sensors to be plugged into a single unit for easy interpretation and analysis of results. Easily find the right electrode model for your laboratory today.
pH electrodes, InLab® Power
Supplier: Mettler - Toledo
Combination pH electrode with SteadyForce™ and S7 screw head for general laboratory applications.
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pH electrode for general applications, gel-glass
Supplier: HAMILTON BONADUZ
Gel-Glass is a maintenance-free combination electrode for everyday applications.
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Orion™ Storage Sleeve and Base
Supplier: Thermo Orion
Protect electrodes from breakage when not in use with the Thermo Scientific™ Orion™ electrode storage sleeve and base.
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pH combination electrodes with temperature sensor, ScienceLine
Supplier: SI Analytics
Electrodes with plug head (without cable) or with BNC/DIN plug with fixed cable.
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pH electrodes for field measurements, Polyplast™
Supplier: HAMILTON BONADUZ
Polyplast electrodes have a shatterproof plastic shaft. They are ideal for portable measurements or as entry level sensors for basic laboratory applications.
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Combination pH electrodes, sensION™+
Supplier: Hach
3-in-1 laboratory combination pH electrodes with built-in temperature sensor.
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Ion selective electrode, nitrate, IntelliCAL™
Supplier: Hach
IntelliCAL™ ISENO3181 is a digital combination nitrate ion selective electrode (ISE) with a non refillable, double junction reference and built-in temperature sensor. The solid-state sensor design eliminates membrane replacement and allows for dry storage of the ISE.
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Ion selective electrode, half-cell, fluoride, sensION+ 9655
Supplier: Hach
sensION+ 9655 is a half-cell (reference not integrated) fluoride ion selective electrode with an epoxy body and non-replaceable crystalline membrane selective to fluoride ions in solution.
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Ion selective electrodes, Fluoride, IntelliCAL™
Supplier: Hach
IntelliCAL™ ISEF121 is a digital combination fluoride ion selective electrode (ISE) with a non-refillable, single junction reference and built-in temperature sensor. The solid-state sensor design eliminates membrane replacement and allows for dry storage of the ISE.
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Ion selective electrode, half-cell, fluoroborate, Orion™
Supplier: Thermo Orion
This fluoroborate half-cell can be easily and economically rejuvenated.
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Ion selective electrodes, nitrate, Orion™
Supplier: Thermo Orion
These nitrate electrodes are designed for measuring nitrate in aqueous solutions quickly, simply, accurately and economically.
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Radiometer Analytical XR110 Reference Electrode (Red Rod, Ground Joint, Screw Cap)
Supplier: Hach
The XR110 reference electrode has a glass body, red rod Ag/AgCl reference technology system, refillable electrolyte (KCl 3 M), ground joint, and porous pin junction.
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Luminescent/optical dissolved oxygen (LDO) electrode for BOD measurement, IntelliCAL™ LBOD101
Supplier: Hach
The LBOD101 is a digital, luminescent dissolved oxygen (LDO) sensor with a replaceable, integrated stirring system. The electrode measures the dissolved oxygen for BOD (Biochemical Oxygen Demand) determination in BOD bottles in BOD5 testing applications. Ideal for initial and final dissolved oxygen measurements.
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pH electrodes, InLab® ISM
Supplier: Mettler - Toledo
High performance electrodes combining robustness with state-of-the-art measurement technology. Fully traceable.
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Reference electrode for use with ion selective electrodes, sensION+ 5044
Supplier: Hach
The 5044 with lithium acetate electrolyte is recommended for use with all sensION+ half-cell ion selective electrodes (ISE) in drinking water, wastewater and general water quality applications.
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ORP electrode, sensION+ 5057
Supplier: Hach
sensION+ 5057 is a combination platinum ORP electrode with a glass body and refillable liquid-electrolyte reference. It is dedicated for use with Hach sensION+ labpratory pH (mV) meters.
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Ion selective electrode, Ammonia, solid-state, IntelliCAL™
Supplier: Hach
IntelliCAL™ ISENH4181 is a digital combination ammonium ion selective electrode (ISE) with a non refillable double junction reference and built-in temperature sensor. The solid-state sensor design eliminates membrane replacement and allows for dry storage of the ISE.
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Orion™ 9502BNWP Carbon Dioxide Electrode
Supplier: Thermo Orion
This electrode measures carbon dioxide, carbonate and bicarbonate in aqueous solutions quickly and accurately.
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Combined pH electrodes, sensION+
Supplier: Hach
These combination electrodes feature a low maintenance 3-in-1 design for the most challenging applications. Equipped with an integrated Pt1000 temperature sensor they provide stable results with low maintenance requirements.
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Combined ion selective electrodes, ScienceLine
Supplier: SI Analytics
Electrode, ISE, F 60, Parameter (ISE): Fluoride, pH: 5 - 7, 0...+80 °C, Plug head, For: Determination of Fluoride-ions
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Ion selective electrodes, cupric, Orion™
Supplier: Thermo Orion
These electrodes are designed for measuring cupric ions in aqueous solutions quickly, simply, accurately and economically.
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Ion selective electrodes, chloride, Orion™
Supplier: Thermo Orion
These chloride electrodes are designed for measuring free chloride in the range of 1×10⁻⁵ to 1 M.
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Combined titration electrodes, plug and play
Supplier: Mettler - Toledo
Plug & Play combined silver ring electrode for argentometric titrations.
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pH / Redox electrodes, LE series
Supplier: Mettler - Toledo
Electrode, pH, LE series, Redox electrode LE510, refillable, pH: -, 0...+80 °C, POM, Diaphr.: Nylon, Electrolyte: KCl 3 mol/l, Ø×L: 12×120 mm, BNC, 1 m cable, For: Dirty solutions, water treatments
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Multi-parameter electrode (pH/ORP/conductivity), sensION+ 5048
Supplier: Hach
Multisensor for pH, ORP, conductivity and temperature. For use with sensION+ MM150 multi-parameter meter.
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Ion selective electrode, half-cell, thiocyanate, Orion™
Supplier: Thermo Orion
This half-cell electrode is ideal for performing quick, accurate and economical measurements of thiocyanate ions in aqueous solutions.
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pH electrodes for special laboratory applications
Supplier: HAMILTON BONADUZ
Electrodes for special laboratory applications such as microbiological samples, serum, flat surfaces, small volumes, and samples containing fats and proteins.
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pH electrodes for Knick® Portamess® meters
Supplier: HAMILTON BONADUZ
These electrodes are especially well suited for Knick® Portamess® equipment. The electrode head creates a hermetic seal with the Portamess® storage tube.
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Process pH combination electrodes
Supplier: SI Analytics
Electrode, pH, L 1181 HD, pH: 0 - 12, −30...+80 °C, Glass, Diaphr.: -, Electrolyte: -, Ø×L: 12×120 mm, Screw plug head
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pH combination electrodes, ScienceLine
Supplier: SI Analytics
Heavy-duty combination electrodes for practically all applications in the laboratory and in the field.