pH Electrodes

Photo of Thermo Orion Triode Combination pH/ATC Electrodes

The Thermo Orion Triode™ eliminates the need for a separate ATC probe by embedding a thermistor-type ATC in the tip of the electrode. One lead running from the electrode to the meter makes it easier to work with, especially in field applications.

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Photo of Thermo Scientific Orion ROSS Sure-Flow pH Electrodes

The unique Thermo Scientific® Orion Sure-Flow® Junction is a free-flowing liquid-to-liquid junction assures you of the most stable, drift-free measurements. The easy-to-clean junctions never clog-simply press the cap and flush the junction area. Release the cap and the junction is reset. Now even the most problematic, dirty or viscous samples can be easily measured without a clogged junction! Detachable bulb guard is included.

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Photo of Orion™ pH Sensing Half Cells. Thermo Scientific
A complete line of Thermo Scientific® Orion™ pH sensing half cell electrodes. These electrodes must be used in conjunction with the appropriate reference electrode (PH4280-1). All employ a silver-silver chloride internal reference.
Photo of Thermo Scientific Orion Standard Line Combination pH Electrodes

The Thermo Scientific® Orion™ Standard Line offers a variety of combination electrodes for any application. Silver/silver chloride, Ag/AgCl, references are used because of their accuracy and broad temperature range. Choose from glass or epoxy body electrodes.

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Photo of Thermo Orion ATC Probes

The most common cause of error in pH measurements is temperature. The slope of a pH electrode is highly dependent on temperature and pH buffer values and sample values change with temperature. For the most accurate results an ATC probe is always recommended. The epoxy body Thermo Scientific® Orion™ ATC probes (PH4341-1/-3) are not recommended for use in organic solvents, but may be used on an intermittent basis in methanol or ethanol. Glass body Orion ATC probes (PH4341-4/-7) are preferred for use in solutions containing organic solvents or at temperatures over 80°C.

Photo of Thermo Orion Economy Series Epoxy Body Gel Filled pH Combination Electrodes

Conduct routine pH measurements with the Thermo Scientific™ Orion™ Economy Series pH Combination Electrodes have a wick junction and are gel-filled Ag/AgCl electrolyte. Its unbreakable epoxy body extends beyond the pH sensing glass bulb for rugged conditions. It provides durability for lab or field use with a low-maintenance design that requires no fill solution. 0 to 14pH Range, 0° to 80°C, Wick Junction and Gel Filled. Non-Refillable. Ships with: 1 Meter cable.

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Photo of Thermo Orion KNIpHE® Electrode Accessories

The Thermo Scientific® Orion™ KNIpHE has a stainless steel cutting blade surrounding a special combination pH electrode. For pH determinations in meats and meat by-products where glass electrodes alone may break. The KNIpHE Electrode Kit includes: pH Electrode, Electrode Handle, Removable blade, One bottle of Filling Solutions and Instruction manual.

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Photo of Thermo Orion Electrode Adapter Cables
Thermo Orion™ Electrode Adaptor Cables allow conversion of an electrode that does not have the correct termination for a particular meter to be adapted for that meter. Adaptor cables allow conversion of electrodes with one connector to the required connector for a certain meter. For use with meters that have BNC, US standard, certain LEMO, British, E DIN, Radiometer, 2mm reference pins or just a stripped lead inputs. Electrodes must have a US standard, screw cap, Karl Fisher, or BNC connectors.
 
Photo of Thermo Scientific Orion Electrode Maintenance Accessories

Restore proper electrode performance and prolong electrode life using Thermo Scientific™ Orion™ pH Electrode Cleaning and Storage Solutions in ready to use bottles.

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Photo of Thermo Orion™ ROSS Ultra™ pH/ATC Triode™ Combination Electrodes

Increase the accuracy of your readings with a pH sensor that delivers superior performance at varying sample temperatures. Our Thermo Scientific™ Orion™ ROSS Ultra™ Low Maintenance pH/ATC Triode™ combination electrodes combine the stability, precision and speed of response of the ROSS Ultra line with integrated temperature measurement. Orion ROSS electrodes contain no Silver or Silver Chloride and incorporate a double-junction design, which protects the sample from contamination and makes the electrodes compatible with TRIS buffers. 18 month warranty.

Photo of Thermo Orion™ 900200 Sure-Flow Reference Half-Cell Electrode with Epoxy Body and Double Junction

Perform ISE determinations with the Thermo Orion™ 900200 Sure-Flow™ Reference Half-Cell Electrode, a double junction reference electrode. Sure-Flow junction prevents clogging. Double junction allows a variety of filling solutions to be used.

Photo of Thermo Scientific Orion 910001 pH Electrode Storage Solution, 475mL

Thermo Scientific 910001 Orion pH Electrode Storage Solution is for electrode storage and use as a rinsing and cleaning solution. Solutions restore proper electrode performance and prolong the useful life of the electrode. Orion storage solution ensures that the pH electrode works properly after prolonged storage, overnight storage and in between samples. Orion storage solution is a colorless liquid to easily identify it from other color coded pH solutions. Specific gravity: 1.05. Boiling point: 100°C. pH: 6.3 to 6.9.

Photo of Thermo Scientific Orion pH Electrode Filling Solutions

Use Thermo Scientific™ Orion™ pH Electrode Filling Solutions with pH electrodes and reference electrodes. Packaged as five 2 oz. (5 x 60mL) bottles.

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Photo of Thermo Orion™ 810017 Electrode Storage Sleeve and Base

The Thermo Orion™ 810017 Electrode 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 pH bulb stays conditioned while in storage so that it is ready to use when removed from the sleeve.

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