pH Electrodes

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  • Reference Electrodes For ISEs

    Thermo Scientific Orion

    4215F10 Mercury-free, Ag-AgCl type, with sleeve junction. Designed for use with Thermo Orion ion-selective electrodes as indicated in respective descriptions; usable also with glass electrodes for pH measurement. Range 10 to 100°C. Length 140 mm, diameter 13 mm. Diameter of mounting cap 16 mm. …

  • Orion ROSS® 3-in-1 Triodes

    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…

  • 3-in-1 Triode Probes

    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.

  • ROSS® Sure-Flow® pH Electrodes

    Thermo Scientific Orion

    Ross® Sure-Flow Easy cleaning in waste-waters, food samples, colloids, soils and slurries Has optimum flow rate for high purity waters, drinking waters and buffers Produces fast, stable responses in samples that vary in temperature pH range is 0-14 over a temperature range of…

  • Orion Electrode Storage Bottle, 3 Pk

    Thermo Scientific Orion

    Storage bottle for protecting electrodes between uses. For use with Glass body 12mm electrode

  • Fluoride Ion Electrode

    Thermo Scientific Orion

    4210F12 For determination of fluoride ion activity in concentrations from saturated to 10 -6 M (0.02 ppm) Method approved by ASTM for water, drinking water, wastewater and seawater brines and it is approved by EPA, Standard Methods and AOAC for feeds Range saturated to 0.02 ppm Requires…

  • pH Electrode Stand

    Thermo Scientific Orion

    Electrode holders and stands Electrode holders and stands permit one-handed operation of electrode movement Four-position holders allow simultaneous use of pH or ISE electrode and reference half cell Swing arm stand (0732H82) allows flexible movement of electrodes. Holder…

  • High Performance Ammonia Electrode

    Thermo Scientific Orion

    Designed to meet the demanding needs of drinking water and wastewater applications Accurate results down to 0.01 ppm Linear electrode response down to low detection limits Response time of 1 minute in sample concentrations of 1 ppm and higher New wastewater applications developed…

  • Orion™ pH Electrode Filling Solution

    Thermo Scientific Orion

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

  • ROSS® Ultra Refillable Glass Triode

    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…

  • Standard Ag/AgCl pH electrodes

    Thermo Scientific Orion

    Ideal for all routine pH measurements. A large variety of quality electrodes for a wide range of applications. Includes specialty pH electrodes for unique or challenging pH measurements.

  • Ammonia Ion Electrode Accessories

    Thermo Scientific Orion

    Accessories: Ionic Strength Adjusting Solution (ISA) adjusts the pH of standards and samples used in ammonia measurements. Ammonia Standard Solutions; 0.1 M ammonium chloride or 1,000 ppm as N. Replacement Membranes or Membrane Caps; Loose membranes for probes with O-Ring membrane holder;…

  • ROSS® Combination Electrodes

    Thermo Scientific Orion

    Superior stability pH range 0-14 Temperature of 0°-100°C 3 M KCl filling solution supplied with electrode

  • ROSS® Ultra Premium pH Electrodes

    Thermo Scientific Orion

    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…

  • Triode pH Combination Electrode

    Thermo Scientific Orion

    Combination pH and ATC in a single barrel pH range: 0-14 Temperature range: 0-90°C Recommended for general purpose use. Built-in thermistor for automatic temperature compensation. Useful for field pH measurements with Thermo Orion portable pH meters. BNC type connector. ATC…

  • Economy pH Electrodes

    Thermo Scientific Orion

    Ideal for field, plant, or educational applications Connector type: BNC Waterproof

  • Orion Double Junction pH Electrodes

    Thermo Scientific Orion

    Low maintenance and refillable electrodes that features an isolated Ag/AgCl reference system, so silver does not make contact with the sample.

  • Nitrate Ion Electrode

    Thermo Scientific Orion

    4210S12 Polymer membrane electrodes measure nitrate concentration in the range of 14,000 to 0.1 ppm in soils, plant materials, fertilizers, pickling baths and other aqueous solutions. Other uses listed in Standard Methods. EPA approved for NIPDWR compliance monitoring Optimal temperature range…

  • ORP Standard

    Thermo Scientific Orion

    Calibration solution (4153R53) does not contain hazardous chemicals, is stable for up to one year (unopened) and can be used directly from the bottle with no mixing or diluting.

  • Sodium Ion Electrode

    Thermo Scientific Orion

    ROSS, Half Cell ISE For determination of Na+ ion activity in concentrations from saturated to 10 -6 M (saturated to 0.02 ppm) Model 4210E63 ROSS electrode requires Thomas number 4153Q87 or 0732K95 reference electrode. Uses Orion 900004 fill solution, order as 4153F22. Accessories: Sodium…

  • Orion Gel Fill Epoxy Flat Surface Comb pH, BNC

    Thermo Scientific Orion

    Measure the pH of virtually any sample with these Thermo Scientific Orion pH electrodes. Electrodes come with a low cost epoxy body Sealed, gel-filled design means there is little electrode maintenance to perform Single-junction reference means electrodes are suited to most general…

  • Orion™ 2001SC ROSS™ Combination pH Electrode

    Thermo Scientific Orion

    Take high purity measurements with the highest accuracy and precision using the Thermo Scientific™ Orion™ 2001SC ROSS™ Combination pH Electrode. Combining pH sensing and reference electrodes, 2001SC provides a fast response for online pH electrodes. The Thermo Scientific…

  • Chloride Ion Electrode & Accessories

    Thermo Scientific Orion

    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…

  • Orion Rdo Probes

    Thermo Scientific Orion

    No membranes to change - just replace the sensor once a year Probe stores wet or dry

  • Triode pH Electrode; Combination pH/Temperature Probe

    Thermo Scientific Orion

    Waterproof connector pH range: 0-14 Temperature range: 0-90°C Designed specifically for use with Thermo Orion’s 260A and 265A pH meters. Sealed epoxy body with Ag/AgCl reference. Dimensions: 110 mm x 12 mm.

  • Orion A Series Stainless Steel Atc Probe

    Thermo Scientific Orion

    Automatically correct pH measurements for variation in electrode slope due to temperature change using Thermo Scientific™ Orion™ Stainless-Steel Automatic Temperature Compensation (ATC) Probes. Stainless-steel body For A+ series meters

  • Micro-pH Electrode, Long, Thermo Orion 9810BN

    Thermo Scientific Orion

    Immersion depth is 1 mm and requires only 0.5 mL of sample. pH range is 0-14. Temperature range: -5 to 100°C. Dimensions: 120 mm x 6 mm; tip diameter: 1.3 mm. Type reference: Ag/Ag/Cl.

  • Orion Filling Solution

    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.

  • ATC Probes

    Thermo Scientific Orion

    Orion Automatic Temperature Compensation (ATC) probes transmit a signal to the pH meter, which automatically corrects pH measurements for variation in electrode slope due to temperature change.

  • Orion Waterproof pH Triode

    Thermo Scientific Orion

    Triode, gel-filled combination electrode with epoxy body for durability Waterproof E DIN connection with a 1 m cable and banana plug connectors Measures pH and temperature with built-in ATC Ag/AgCl (silver/silver chloride) electrolyte for less noise than gold or silver electrodes pH…

  • Orion™ Stainless-Steel Automatic Temperature Compensation (ATC) Probe

    Thermo Scientific Orion

    Automatically correct pH measurements for variation in electrode slope due to temperature change using Thermo Scientific™ Orion™ Stainless-Steel Automatic Temperature Compensation (ATC) Probes.

  • Micro-pH Combination Electrode, NMR, Thermo Orion 9826BN

    Thermo Scientific Orion

    Immersion depth is 2 mm, designed for NMR cells. pH range is 0-14. Temperature range is -5 to 100°C. Dimensions: 228 mm x 2.5 mm; tip diameter: 2.5 mm. Type reference: Ag/AgCl.

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