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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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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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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Economy pH electrodes, InLab® Easy

Supplier: Mettler - Toledo

Robust and cost-effective electrodes, simple to operate.

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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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Reference electrodes, ScienceLine

Supplier: SI Analytics

Reference electrodes with glass shaft.

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Combined pH electrode, InLab® Flow

Supplier: Mettler - Toledo

A glass-body, combination pH electrode with SteadyForce™ and S7 screw head for inline measurements in flow-through cell 611.

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pH electrodes for food applications

Supplier: HAMILTON BONADUZ

Robust combination pH electrodes especially suited for use in media containing proteins or solid and semi-solid samples, such as meat and cheese.

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pH electrodes for general laboratory applications, Liq-Glass™

Supplier: HAMILTON BONADUZ

Robust combination pH electrodes for daily laboratory use. Universally applicable, in strong acids as well as in strong bases.

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pH combination electrodes, ProcessLine

Supplier: SI Analytics

These electrodes are low maintenance sensors for heavy duty process applications in the chemical industry. They are ideally suitable for measuring media with extreme ionic strength - whether boiler feed water or brine - also in strongly oxidizing acid and alkali containing media.

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Bioprocess pH electrode, InLab® Smart pro-ISM

Supplier: Mettler - Toledo

This unique digital pH electrode for lab use is really clever: by keeping track of the membrane and reference resistance as well as the average pH and temperature readings, the InLab® Smart Pro-ISM allows for preventative maintenance. Users can effectively save costs, increase uptime respectively.

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Bio process sterilisable pH and ORP electrodes, SteamLine

Supplier: SI Analytics

Autoclavable high-tech electrodes with outstanding electrical and physical performance characteristics guaranteeing exceptional accuracy and reliability over long periods of time. Can be used in demanding environments such as SIP treatment (Sterilisation in Place), and CIP cleaning (Clean in Place).