Thermo Scientific Orion Star A211 pH benchtop meters are easy to use, dependable laboratory meters with advanced features and functions. Selectable read modes and stability indicator give you flexibility and control over your testing. All critical data is shown with your measurements including…

DuraProbe Conductivity Cells are durable and extremely accurate under a wide range of conditions Designed for high accuracy under demanding field and plant conditions Compensates for electrode fouling, cable/connector resistance and polarization errors A choice of glass/platinum, epoxy/graphite…

Wide conductivity range For lab and field applications Rugged epoxy/graphite MiniDIN connector DuraProbe 4-electrode cells provide the highest accuracy for demanding laboratory or field applications. The 4-electrode design compensates for electrode fouling, cable and connector…

Perfect for the plant, field or even in a lab, this simple, yet powerful turbidity meter offers impressive features. Autoranging from 0 to 1000 NTUs, the AQ3010 meter generates an accurate turbidity reading in seconds. Results are easy to read and record from the large, bright LCD display in a…

Virtually eliminate fringe field interference errors with the advanced Thermo Scientific™ Orion™ DuraProbe™ 4-Electrode Conductivity Cells. Durable and extremely accurate under a wide range of conditions. 8-pin Mini-DIN 4 electrode graphite cell Rugged epoxy body …

Take reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Calibration Standards. Sodium Known Addition Kit, for use with Sodium Ion selective electrodes 3 x 475 mL of 1 M NaCl standard with ISA and 1 x 475 mL ISA Standards are 1 pint (475mL) bottles

The Thermo Scientific Orion Star A321 pH Portable Meter is the top choice for advanced measurements on location. Get the information you need quickly and easily from the large, backlit graphic LCD display. Informative display shows pH/mV/RmV and temperature along with electrode status, time, date,…

The Orion C ISE filling solution comes in a 60 mL bottle and the special formulation of the solution makes it ideal to use with IonPlus® Series ion selective electrodes.

The Thermo Scientific Orion Star A212 Conductivity Benchtop Meter is the ideal choice for any lab. Get the information you need quickly and easily from the large, backlit graphic LCD display. Informative display shows conductivity/ TDS/salinity/resistivity and temperature along with time,…

Get better testing through better design with the Thermo Scientific™ Orion™ Star A and Versa Star™  Electrode Holder. The Orion Star A and Versa Star electrode holder head has identifiable slots and offers the following benefits: Adjustable probe heights reduce…

Use Thermo Scientific™ Orion™ AQUAfast™ II Chemistries Test Kits with the Orion™ AQUAfast™ II colorimeter. These convenient, rapidly dissolving, long shelf-life tablets allow chemistry to be added to samples without reagent loss. Test: Sulfate Measurement…

The Thermo Scientific™ Orion™ AQUAfast™ AQ3140 COD colorimeter is a single parameter instrument for determining chemical oxygen demand in water. This colorimeter is designed to give accurate, reproducible results by offering features such as large digital backlit display,…

All-In-One pH Buffer Kit includes one 60mL bottle each of pH 4.01 Buffer (910460), pH 7.00 Buffer (910760), pH 10.01 Buffer (911060), pH Electrode Storage Solution (910060), and pH Electrode Cleaning Solution (900024). 60 mL bottles ideal for preventing solution contamination and expiration…

The Thermo Scientific Orion Star A322 Conductivity Portable Meter is the top choice for advanced measurements on location. Get the information you need quickly and easily from the large, backlit graphic LCD display. Informative display shows conductivity/TDS/ salinity resistivity and temperature…

For use with ionplus® Sure-Flow® ISE electrodes Little or none of the ion of interest present helps prevent sample contamination Application-specific solution formulation improves response time Small temperature coefficients reduce electrode potential shifts from changing…

Measure cyanide ions in aqueous solutions quickly, simply and economically with Thermo Scientific™ Orion™ Cyanide Electrodes. No separate reference electrode is needed with this electrode, making it convenient to use with small sample volumes.

The Thermo Scientific* Orion AQ3700 AQUAfast colorimeter offers a broad range of preprogrammed methods for all of your testing needs. The software prompts you through the test steps, ensuring conformity and consistency in gathering your important test results. The Orion AQ3700 Colorimeter measures…

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…

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…

Take reproducible ISE measurements with Thermo Scientific™ Orion™ ISE calibration standards. For use with ion selective electrodes from ammonia to water hardness.

The Thermo Scientific Orion Star A329 pH/ISE/Conductivity/RDO/Dissolved Oxygen Portable Meter is the top choice for advanced multiparameter measurements on location. Get the information you need quickly and easily from the large, backlit graphic LCD display. Informative display can show each…

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.

Replacement probes for Thermo Orion DO meters Polarographic probes for use in the lab or the field Automatic temperature compensation Convenient, screw-on membrane caps Fast, reliable results

The Zero kit corrects for stray light, sample color or turbidity, or any other constituent that might affect absorption. Also corrects for internal reflection of light by container walls.

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…

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.

The two electrode cells are able to measure low, standard and high conductivity samples depending on the cell constant. Cells with a 0.1cm -1 cell constant are ideal for low ionic strength solutions, deionized water, and ultra pure water. Glass/platinum cells are the best for chemically reactive…

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…

Use Thermo Scientific™ Orion™ AQUAfast digestion tubes, reaction tubes and liquid reagents with Orion™ AQUAfast colorimeters and Thermo Scientific™ Orion™ AquaMate Vis and UV-Vis spectrophotometers. Digestion and reaction tubes contain the precise amount of reagent, are made of special optical…

Protect your portable meter using Thermo Scientific™ Orion™ Star A series portable meter protective armor for use with Thermo Scientific™ Orion™ Star A series portable meters (Star A320, Star A220 and Star A120 series). Portable meter armor adds protection around the meter screen and includes a…

Simple and economical alternative for water quality analysis Waterproof sample chamber Splashproof keypad Fast accurate measurements Large, easy-to-read display Tests meet standard methodologies recognized throughout the world. Rapidly dissolving tablets have a shelf life…

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…