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.

Use promotional catalog numbers to get buffers at time of purchase. Chemists have been relying on Thermo Scientific™ Orion™ ROSS™ pH electrodes to provide critical measurements for 40 years. Other electrodes come and go, but the ROSS reference system continues to be the…

4210B10 Optimal temperature range: 0 - 40°C Constructed with a clog-free Sure-Flow junction. Includes 60 mL of refill solution. Uses easily replaceable 4210B03 plastic membrane module. 4210B13 Highly selective for calcium over other divalent cations Polymer-membrane electrode measures…

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

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.

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…

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 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.

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…

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 …

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

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. …

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

Keep chloride analyzers well-supplied and ready for use with the Thermo Scientific™ Kits and Accessories for Orion™ 2117XP Chloride Analyzers. Choose from the reagent-less consumables kit, reagent bottle adapter, chloride calibration kit or electrode kit.

Adapters for the Orion 3-, 4-, and 5-Star Series meters.

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…

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.

Get reliable, high performance results every time you use durable Thermo Scientific™ Orion™ Conductivity Cells. 2002SS The 2002SS 2-electrode conductivity cell is stainless steel with a cell constant of 0.1cm-1 Sensor features a low cell constant value and is designed to…

Free of lead and mercury unlike many pH electrodes allowing easy disposal Meets all RoHS requirements Durable plastic body that can be used under rugged conditions Waterproof BNC connector is impervious to water Orion green electrodes offer a lab or field pH electrode that…

Orion ISE Reconditioning Solution for Sodium Electrode. 475mL (1 pt.)

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.

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…

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.

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…

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…

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 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.

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…

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

Thermo Orion IonPlus Handle with BNC Waterproof Connector For Ion+ ISE combination plastic membrane electrodes Accessories for solid state and plastic membrane ion selective electrodes Electrodes handles are used with plastic membrane combination or half cell electrodes Polishing strips…

Save time by eliminating additional equipment set-up, titrations and calculations. The Thermo Scientific™ Orion™ Total Alkalinity Test Kit provides two-step direct measurement of total alkalinity and pH using a pH electrode. Direct reading of total alkalinity from 0 to 200ppm as…

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…