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.

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;…

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 …

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…

Take pH measurements that are automatically corrected for variation in electrode slope due to temperature change. The Thermo Scientific™ Orion™ Online ATC Probe features stripped, non-terminated ends and an unbreakable stainless-steel body to withstand rigorous use. Designed for…

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.

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…

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…

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…

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

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…

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…

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…

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…

Provides superior measurement stability, faster response, greater accuracy, longer life and more reproducible results when incorporated in ROSS electrodes. pH range: 0 to 14 Temperature range: 0° to 100°C ROSS® Internal reference Ceramic Junction 0.01 pH…

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…

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…

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…

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…

Model 97-19, Plastic Membrane, Sure-Flow, Combination ISE Optimal temperature range 0 to 40° C Polymer membrane electrode measures potassium in aqueous solutions from 39,000 to 0.04 ppm. Includes easily replaced cat no. 971901 plastic membrane electrode modules and 60 mL of refill…

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…

Specifically for Thermo Orion A+ series meters Enables use of any BNC type electrode without temperature sensor (triode) to take advantage of meter’s automatic temperature compensation.

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.

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.

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…

Replacement Module for Nitrate Half-Cell Electrode (9307BNWP).

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…

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

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.

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

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…

Ensures that the pH electrode works properly after prolonged storage, overnight storage and between samples. 5 x 2 oz. (5 x 60mL), ready to use bottles