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.

Compare Tool

Select up to 3 products

HomeAll Products

pH Electrodes

1 - 32 of 219
Sort
View
Show
  • 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…

  • Always Ready Well-equipped for challenging tasks. The highly robust PEEK shaft in combination with the open junction makes the InLab Expert both resilient and easy to handle. Its solid reference electrolyte requires no refilling and is always ready for use. If highest performance is expected,…

  • All-in-One double junction electrode features a built-in temperature sensor for taking readings with Automatic Temperature Compensation (ATC). For most applications, including dirty water, heavy metals and organics applications. Electrode is 12 mm diameter with a 3 foot cable Refillable…

  • labForce® (powered by Thomas Scientific)

    The labForce® pHE-06 3-in-1 pH/Temp electrode sensor is a temperature compensated pH Electrode, designed for viscous and low ion concentration samples' pH testing, and ideal for titration. The electrode is compatible with TRIS buffer solutions. The moveable sleeve junction on the…

  • 1198F01: TruLine pH 15; pH electrode with temperature, single-junction, 3 in 1, refillable, glass shaft with 1-m cable, BNC connector, 1 banana plug, NTC 30 kOhm. Dimensions = 120 mm length; 12 mm OD. 1198F02: TruLine pH 17; pH electrode no temperature, single-junction, combination,…

  • 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…

  • Sensorex 3-in-1 combination electrodes are excellent choices for applications requiring pH, reference, and automatic temperature compensation (ATC). The 3-in-1 electrode operates like three separate electrodes, at a value price, you would pay for only one electrode. These electrodes are…

  • These electrodes are liquid-filled and refillable glass-bodied electrodes which allow the user to decide which application specific reference solution fits the need. Ideal for solutions containing organics Annular-type junction provides faster electrode response

  • Electrode Stand Cantilever Type, Each

  • Thermo Scientific Orion

    pH and temperature measurement with one electrode Versatile with chemically compatible glass body, refillable with ROSS 3M KCL solution or a fill solution compatible to your sample type Fast pH response even in samples at varying temperatures Compatible with Mettler-Toledo TM Five and…

  • 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. …

  • 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

    Take pH measurements that are automatically corrected for variation in electrode slope due to temperature change. The Thermo Scientific™ Orion™ Online ATC Probe features stripped, non-terminated ends and an unbreakable stainless-steel body to withstand rigorous use. Designed for…

  • Thermo Scientific Orion

    The patented reference system and the double junction design keeps silver ions from contacting the sample. These electrodes are non-refillable, offering the benefits of ease of use and minimal preparation.

  • 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. …

  • quick-ship

    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…

  • The Thermo Scientific Orion Storage Sleeve and Base is for use with pH electrodes that are 120mm or less in length that have a diameter of 12mm. The sleeve protects your electrode from breakage when not in use and will not tip, due to the weighted removable base. As an additional convenience, the…

  • TRUEscience

    SMART Cap for connection to the TRUEscience app on Android devices. This device transmits readings from the electrode to the App on your tablet. (Tablet not supplied). The TRUEscience SMART Cap comes without an electrode so you can purchase the pH, dissolved oxygen, redox or ion selective…

  • METTLER TOLEDO Glass pH Electrodes Mettler products are intended for sale/shipment within the US only. International customers should contact their local Mettler distributor to place orders for Mettler products.

  • Material: Epoxy Use With: Oakton 600 series meters

  • 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…

  • labForce® (powered by Thomas Scientific)

    The labForce® ATC-01 Temperature Probe/Electrode is ideal for use along with pH or conductivity electrode for temperature compensation to achieve automatic temperature compensation. Technical Specifications Material: Stainless Steel Temperature Range: -10 to 110°C (14 to…

  • quick-ship

    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.

  • Glass Membrane Sensor High accuracy Reliable Economical Glass sensor electrodes are the best available method for measuring sodium ions. They are less expensive than solid state or dry sensing membranes and still offer a high degree of accuracy and responsiveness. …

  • Use to take mV readings Choose a single-junction electrode for field, clean water, and general-purpose applications; choose a double junction electrode for most applications including field, dirty water, heavy metals, and organics. Both models have a pin-type junction that provides low…

  • Specialists for all cases - pH electrodes for special applications can determine the pH value of surfaces, suspended solids, suspensions and much more Wide selection of special measurements Adaptation to the sample consistency by special glass membranes Optimal measuring accuracy by…

  • The Orion 8411BN ROSS™ Sodium and Orion 8611BNWP ROSS Sodium Combination Electrodes allow sodium in aqueous solutions to be measured quickly, accurately, and economically. With its unique redox internal system, the ROSS electrode provides faster response, greater stability and accuracy than…

  • 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.

  • labForce® (powered by Thomas Scientific)

    Unique Glass Membrane - The PHE-15 HF glass membrane, which has a faster response rate, better repeatability in strong acid samples, and resistant to hydrofluoric corrosion. Silver Ion Trap Reference System - The PHE-15 pH electrode uses a Silver Ion Trap reference system. On top of the Long-Life…

  • Electrochemical sensors are used in a wide variety of applications. METTLER TOLEDO offers a similarly wide variety of select products to help you find the ideal solution for your precise application. Their range focuses on the correct combination of high-quality materials, tried-and-tested…

  • With an integrated temperature sensor, this maintenance-free gel-filled electrode covers most applications and offers automatic temperature compensation. Special features Unbreakable, chemically resistant POM shaft Integrated NTC 30 kΩ temperature probe Application …

  • The FC2020 is a digital pH electrode with a built-in temperature sensor. This application specific electrode is designed for measuring pH in food related products and features a built-in microchip that stores sensor type, serial number and calibration information. Features a single…

Compare Tool

Select up to 3 products