Probes and Electrodes

These products include various electrochemistry meter probes and electrodes, such as combination and half-cell pH electrodes, dissolved oxygen probes, ion-specific electrodes, conductivity cells, and automatic temperature compensation probes.
Products (106)
Learn More (38)
Documents & Support (112)
106 Products
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  • Automatic Temperature Compensation Probes (5)
    Combination Ion Selective Electrodes (20)
    Conductivity Cell Accessories (1)
    Conductivity Electrodes (3)
    Dissolved Oxygen and BOD Probes (6)
    Dissolved Oxygen Probe Accessories (11)
    Electrochemistry Analyzers Online Sensors (7)
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Measure general pH samples as well as viscous or colloidal samples with the free-flowing sleeve junction design of the Thermo Scientific™ Orion™ 8172BNWP ROSS™ Sure-Flow™ pH Electrode.
Precisely perform pH determinations with the Thermo Scientific™ Orion™ 8156BNUWP ROSS Ultra™ pH Electrode, a general purpose, top performance, epoxy body combination electrode.
Perform routine pH measurements under rugged conditions using the Thermo Scientific™ Orion™ 9156BNWP Combination pH Electrode. It has an unbreakable body that extends beyond the pH sensing glass bulb for protection.
Achieve accurate measurements from ultrapure water, sea water, and more with Thermo Scientific™ Orion™ 2-Electrode Cells. These probes use two electrode cells to measure low-, standard-, and high-conductivity samples based on the cell constant.
Combine a rapid temperature response with stability and precision when using these Thermo Scientific™ Orion™ ROSS Ultra™ Triode™ pH electrodes. They combine the precision and speed of response of the ROSS Ultra line with integrated temperature measurement.
Measure biological media, pharmaceuticals, foods and more with Thermo Scientific™ Orion™ ROSS Ultra™ Refillable pH/ATC Triode™ Combination Electrodes. They are ideal for any application where the use of metallic reference electrodes would contaminate the samples.
Virtually eliminate fringe field interference errors with the advanced Thermo Scientific™ Orion™ DuraProbe™ 4-Cell Conductivity Probes. These probes are durable and extremely accurate over a wide range of conditions.
Orion™ Basic Electrodes Thermo Scientific™
Perform basic pH measurements quickly and reliably with Thermo Scientific™ Orion™ Basic Electrodes, for use with Orion™ Russell meters.
Precisely conduct pH determinations with the top performance, epoxy body combination Thermo Scientific™ Orion™ 8135BNUWP ROSS Ultra™ pH Electrode. Its convenient flat surface tip measures pH in soft, moist solid and semi-solid surfaces and small samples in micro sample dish.
Measure samples with the utmost versatility using the Thermo Scientific™ Orion™ Three-Electrode Conductivity Cell, which has high, standard and low conductivity measuring ranges and also features built-in temperature compensation.
Perform ISE determinations with the Thermo Scientific™ Orion™ 900200 Sure-Flow™ Reference Half-Cell Electrode, a double junction reference electrode.
Confidently perform conductivity tests and measurements with Thermo Scientific™ Orion™ Accessories. Find an additional or replacement Glass Flow Cell for use with the Orion 2-Cell Ultra-pure Conductivity Probe.
Operate the highly-versatile Thermo Scientific™ Orion™ Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe in either the field or a plant. Probe contains a low-maintenance, gel-filled electrode with built-in ATC.
Conduct routine pH measurements with the Thermo Scientific™ Orion™ Economy Series pH Combination Electrode. This routine wick junction, gel-filled electrode has an unbreakable epoxy body that extends beyond the pH sensing glass bulb, making it ideal for rugged conditions.
Automatically correct pH measurements for variation in electrode slope due to temperature change using Thermo Scientific™ Orion™ Stainless-Steel Automatic Temperature Compensation (ATC) Probes.
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Learn More (38)
Get the most out of your meters and electrodes. These accessories are designed to make our meters and electrodes simpler, safer, and more reliable to use and transport. Download brochure ›, Complete your meter package with our innovative accessories for Thermo Scientific™ benchtop and portable...
Ensure consistent and accurate conductivity, resistivity, total dissolved solids (TDS) and salinity measurements with Orion conductivity probes. Thermo Scientific Orion DuraProbe 4-Electrode Cell Lab and Field applications provide the highest accuracy for demanding laboratory or field applications...
Documents & Support (112)
Orion Dual Star Meter - Quick Start Guide [DE]
Orion Dual Star Meter - Quick Start Guide [ES]