pH Electrodes

Our extensive assortment of quality pH electrodes, sensors, and probes are designed to make your complex measurements routine, reliable, and accurate in both the lab or in the field. They are available in a variety of body materials, body styles, and sample requirements. Digital probes have built-in temperature sensors and will alert the user when recalibration is needed. These probes have rugged bodies and long integrated cables for convenient use in a variety of scenarios.

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Reference electrodes, ScienceLine

Supplier: SI Analytics

Reference electrodes with glass shaft.

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pH combination electrodes, IntelliCAL™, High Performance, Red Rod

Supplier: Hach

Digital high-performance pH electrodes with Red Rod reference system and built-in temperature sensor.

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pH electrodes, InLab®, Expert Series

Supplier: Mettler - Toledo

Ideal for critical samples such as suspensions or samples of unknown composition (e.g. wastewater).

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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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InLab® Pro-DES pH Sensors and Signal Bridges

Supplier: Mettler - Toledo

DES® digital sensors are a smart choice. Retaining the measurement electronics and only replacing the sensor shaft at the end of its life, or the detachable cable that can be used for all sensors, helps reduce material waste and thus, the ecological footprint.

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Metal half-cells

Supplier: Mettler - Toledo

Metal half-cells for Redox/ORP applications.

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Process pH combination electrodes

Supplier: SI Analytics

Electrode, pH, H 8281 HD, pH: 2 - 13, 0...+100 °C, Glass, Diaphr.: KPG annular gap, Electrolyte: Referid®, Ø×L: 12×120 mm, Screw plug head

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Combined pH electrode, red rod

Supplier: Hach

The Radiometer GK2401C combination pH electrode has a glass body, Red-Rod reference system, refillable electrolyte (saturated KCl) and Radiometer Type 7 connector for compatibility with Radiometer MeterLab legacy meters.

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pH combination electrodes, IntelliCAL™

Supplier: Hach

These digital combination electrodes feature a built-in temperature sensor and are either refillable or non refillable. They can be used with all Hach HQd™ meters.

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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 electrodes, InLab® ISM

Supplier: Mettler - Toledo

High performance electrodes combining robustness with state-of-the-art measurement technology. Fully traceable.

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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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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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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.