pH & Ion Electrodes

Unique Glass Membrane - The PHE-17 pH electrode uses a micro cylindrical glass membrane (4mm in diameter), making micro-sample pH testing easier than ever, and can be tested in high-temperature samples (up to 212°F). The stainless steel protective cover ensures the durability of the slim glass tube....

The Orion ROSS® pH electrode, which is recognized as the best pH electrode in the world for difficult samples, is now even better. The Orion ROSS® Ultra has twice the warranty and greater stability than its predecessor. It uses a unique reference system developed by Thermo Scientific that offers...

Traditional Gas Sensing Type ISE High accuracy Robust, rugged and reliable Combination Electrodes measure 12 mm diameter x 145 mm length and are equipped with a one meter cable, BNC type connector, 2 membrane caps and filling solution.

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...

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 requires a single...

The labForce® ORP-01 ORP Electrode is a general purpose, lab or field electrode offering affordable, low maintenance performance for many water applications. Features: Epoxy body with standard 12mm diameter and 120mm length. Sealed, gel-filled reference with double junction Ceramic pin/pellon...

The labForce® pHE-04 Combination pH Electrode is ideal for precise regular water solutions pH measurement in scientific research and quality control. This electrode is compatible with TRIS buffer solutions. Its blue hemispherical glass membrane has a faster response time, better repeatability,...

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 pHE-06...

The labForce® pHE-07 Flat pH Electrode is a general purpose, lab or field electrode offering affordable, low maintenance performance for water applications where a flat shaped pH sensor is more suitable. Features: Plastic body with standard 12mm diameter and 120mm length. Flat pH sensor for...

The PHE-09 Spear pH Electrode has durable food-grade stainless steel sheath, solid electrolyte, and long-life reference system, making the probe hard to contaminate and maintenance-free. Ideal for professional soft-solid food's pH measuring such as cheese, bread, fruit, sushi rice, meat, etc. The...

The unique blue glass membrane, has a faster response rate, better repeatability, and impact-resistance. Polymer Electrolyte, ideal for testing wastewater and suspension. No more clogged junction. Long-Life Reference System, improves the stability of reference electrode and prolongs the service life...

The labForce® pHE-05 3-in-1 pH/Temp. Electrode Sensor is a temperature compensated pH Electrode, is ideal for precise regular water solutions and water pH testing in scientific research and quality control. This electrode is compatible with TRIS buffer solutions. The unique blue hemispherical...

The pHE-02 3-in-1 Combination pH Electrode tests pH and temperature simultaneously and supports auto temperature compensation. Ideal for regular water solutions' pH measurement in scientific research, environmental monitoring, and quality control. Not suitable for testing in low-ion...

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. Thomas...

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 230°F)...

The labForce® pHE-03 pH Electrode is a general purpose, lab or field electrode offering affordable, low maintenance performance for many water applications. Features: Epoxy body with standard 12mm diameter and 120mm length Sealed, gel-filled reference with a double junction Ceramic pin/pellon...

Long-Life Reference System - The PHE-13 pH electrode uses a long-life reference system, composed of a glass, AgCl and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It improves...

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. Electrodes measure 12 mm diameter x...

Long-Life Reference System - The PHE-18 pH electrode uses a long-life reference system, composed of a glass, AgCl, and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It...

4210N68 Requires Thomas number 4215F60 reference electrode. Includes 760 mm lead. Uses Orion 900002 fill solution, order as 4215F70. Accessories Chloride Standard, 0.1000 ±0.0005M Chloride Standard, 100.0 ±0.5 ppm Ionic Adjustment Solution, Sodium Nitrate Solution Acid and Iodide...

All-in-One electrodes feature a built-in temperature sensor for taking readings with Automatic Temperature Compensation (ATC). Single junction electrode for field, clean water, and general purpose applications. Electrode is 12 mm diameter with a 3 foot cable Electrode has a epoxy body, sealed...

Sample well water, rain water, distilled/deionized water, boiler feed water, process water and more with the Thermo Scientific™ Orion™ pHISA™ Adjustor. It offers fast, accurate pH results in high purity and low ionic strength waters. Increases measurement accuracy Reduces electrode...

Conduct routine pH measurements with the Thermo Scientific™ Orion™ Economy Series pH Combination Electrode, a routine wick junction, gel-filled electrode. Its unbreakable epoxy body extends beyond the pH sensing glass bulb for rugged conditions. It provides durability for lab or field...