pH & Ion Electrodes

pH & Ion Electrodes are critical tools in the measurement of acidity, alkalinity, and ion concentration in various solutions.

Various types of pH electrodes offer precise and quick readings, which are essential for a wide range of scientific applications, from environmental monitoring and medical diagnostics.

The diversity in electrode types caters to specific measurement needs, ensuring accurate results across different mediums. With advancements in electrode technology, these instruments provide reliable performance in challenging conditions, including extreme pH ranges and non-aqueous solutions.

Their ease of use, combined with the ability to deliver rapid and accurate measurements, makes pH and ion electrodes indispensable in laboratories and fieldwork, facilitating research and quality control processes.

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pH Electrodes

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    Thermo Scientific Orion

    Orion Triode 3-in-1 Probe is a practical solution for field and plant use. The pH/Reference/ATC probes are all in one body. It's non-refillable, little or no maintenance required. You get portability and accuracy in one package.

  • labForce® (powered by Thomas Scientific)

    The pHE-02 3-in-1 Combination pH Electrode tests pH and temperature simultaneously and supports auto temperature compensation. Ideal for regular water solutions' pH measurement in scientific research, environmental monitoring, and quality control. Not suitable for testing in low-ion…

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    Thermo Scientific Orion

    Combination pH and ATC in a single barrel pH range: 0-14 Temperature range: 0-90°C Recommended for general purpose use. Built-in thermistor for automatic temperature compensation. Useful for field pH measurements with Thermo Orion portable pH meters. BNC type connector. ATC…

  • Immersion depth is 1 mm and requires only 0.5 mL of sample. pH range is 0-14. Temperature range: -5 to 100°C. Dimensions: 120 mm x 6 mm; tip diameter: 1.3 mm. Type reference: Ag/Ag/Cl.

  • Genuine Hamilton electrolytes are needed to keep your laboratory sensors running smoothly. Complete the maintenance on your sensor by using Hamilton cleaning and storage solutions to ensure high accuracy and long life.

  • Solid State Technology Solid State electrodes have solid, homogeneous sensing elements. They are more rugged and easier to clean than glass or membrane sensors. Polishing strips for the solid state sensors are included with the electrode. Thomas also offers a half-cell version that…

  • Thermo Scientific Orion

    Specifically for Thermo Orion A+ series meters Enables use of any BNC type electrode without temperature sensor (triode) to take advantage of meter’s automatic temperature compensation.

  • Hanna Instruments

    HANNA offers a wide range of combination pH and ORP electrodes specifically designed for needs of industrial users. In order to reduce contamination problems, all electrodes are gel or polymer filled and feature double-junction technology. The BNC connector allows quick and easy connection to…

  • Combined glass pH electrode with a movable easy-to-clean glass sleeve junction. Plug & Play sensor with integrated sensor chip for secure handling. Especially suitable for acid/base titrations that require fast response times and quick signal equilibration in nonaqueous matrices: …

  • Dry Contact Technology Dry Contact Technology replaces traditional liquid or gel-filled ISE's. Dry contact electrodes require no preconditioning. Simply place electrode in a sample and read results. This innovative technology offers unlimited shelf life and greater measurement stability. …

  • labForce® (powered by Thomas Scientific)

    Solid State Technology High accuracy Low maintenance Robust, rugged and reliable Solid State electrodes have solid, homogeneous sensing elements. They are more rugged and easier to clean than glass or membrane sensors. Polishing strips for the solid state sensors are included…

  • Sealed, single-junction electrode for general-purpose applications Epoxy body for impact resistance and durability Bayonet Neill-Concelman (BNC)-connected combination reference and measuring cell, for ease of use and to provide tight coaxial cable connections Small (6 mm) diameter for…

  • Electrode Stand Cantilever Type, Each

  • The Double Pore is a maintenance-free, combination pH puncture electrode made especially for use with solid and semi-solid samples. Two Single Pores make clogging of the diaphragms practically impossible, and ideally suit these electrodes for measurement in meat and cheese. Benefits …

  • High accuracy in changing temperature conditions Temperature readout and automatic temperature compensation (ATC) Calibrate the TDS 6+ at one point and all five ranges are covered These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that…

  • Thermo Scientific Orion

    Model 97-19, Plastic Membrane, Sure-Flow, Combination ISE Optimal temperature range 0 to 40° C Polymer membrane electrode measures potassium in aqueous solutions from 39,000 to 0.04 ppm. Includes easily replaced cat no. 971901 plastic membrane electrode modules and 60 mL of refill…

  • Dry Contact Technology Dry Contact Technology replaces traditional liquid or gel-filled ISE's. Dry contact electrodes require no preconditioning. Simply place electrode in a sample and read results. This innovative technology offers unlimited shelf life and greater measurement stability. …

  • Accent Control Systems

    Ryton Body Electrode with Dry-Loc and NPT Connections. Includes 3K ohm Balco NTC Use with 3-2760-1 or -11 Preamp

  • Dry Contact Technology High accuracy Unlimited shelf life, can be stored dry No pre-conditioning or user maintenance required Robust, rugged and reliable Dry Contact Technology replaces traditional liquid or gel-filled ISE’s. Dry contact electrodes require no…

  • Thermo Scientific Orion

    Thermo Scientific Orion filling solutions for use with pH electrodes and reference electrodes. Filling solutions are packaged as five 2 oz. (5 x 60mL) bottles.

  • The PHE-10 Blade pH Electrode uses a durable food-grade stainless steel sheath and blade, solid electrolyte, and long-life reference system, making the probe hard to contaminate and maintenance-free. Ideal for measuring pH of meat such as fish, meat, and other meat products. The electrode uses a…

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    Thermo Scientific Orion

    Superior stability pH range 0-14 Temperature of 0°-100°C 3 M KCl filling solution supplied with electrode

  • pH electrode for titrations in non-aqueous media, Glass shaft, ground joint-junction, electrolyte L 5014, Ag/AgCl-reference system, sphere membrane, A-glass, length 170 mm, 12 mm Ø, +10...+40 °C, 0...14 pH

  • This combination pH electrode is especially made for measurements in very small volumes, such as NMR tubes, where a long thin shaft is needed and by requiring an immersion depth of only 7 mm! Benefits The very long (180 mm) and only 3 mm shaft diameter below make this pH electrode ideal…

  • Solid State Technology Solid State electrodes have solid, homogeneous sensing elements. They are more rugged and easier to clean than glass or membrane sensors. Polishing strips for the solid state sensors are included with the electrode. Thomas also offers a half-cell version that…

  • pH-combination electrode with sensor recognition, glass shaft, Pt junction, electrolyte KCl 3 mol/l, Silamid® reference, temperature sensor Pt 1000, sphere membrane, A glass, 2 m fixed cable with DIN + 4 mm banana plug and recognition, length 120 mm, 12 mm Ø, -5...+100 °C, 0...14 pH

  • Thermo Scientific Orion

    The Orion ROSS® micro pH electrode is specifically designed to measure small samples. This unique design offers greater durability than conventional micro pH electrodes while providing all the performance benefits of a ROSS® electrode. The refillable glass ROSS micro pH electrode is compatible with…

  • Dry Contact Technology Dry Contact Technology replaces traditional liquid or gel-filled ISE's. Dry contact electrodes require no preconditioning. Simply place electrode in a sample and read results. This innovative technology offers unlimited shelf life and greater measurement stability. …

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    Thermo Scientific Orion

    pH and temperature measurement with one electrode Superior stability with high accuracy pH and temperature measurement Fast pH response even in samples at varying temperatures Compatible with Mettler-Toledo TM Five and Seven Series meters and others which accommodate NTC30 thermisters with…

  • Thermo Scientific Orion

    Orion™ Electrode Extension Cables (4153X33 & 1212U41) Extend the length of an electrode cable by 15′ (4.57m) when using the Thermo Scientific™ Orion™ Electrode Extension Cables. Can be used with Orion ATC probes, any reference electrode with 2mm pin tip connector or…

  • In order to to achieve long sensor life and faster electrode response times, it is recommended to store electrodes in our storage solution. It is an acid-buffered solution that ensures the regeneration of the electrode in addition to provide an optimized storage.

  • The FlushTrode is ideally suited for viscous, ion-weak, and proteinaceous media. The sleeve diaphragm allows for measurements to be made in tough applications where other pH electrodes cannot. Benefits Easy-to-clean, combination glass electrode with sleeve diaphragm Ideally suited for…

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