Measurements using an ion selective electrode (ISE) are applicable in virtually every laboratory. ISEs can be used to measure ion concentrations in water, food, pharmaceuticals and biological samples. Ion selective electrodes can be used as endpoint indicators or to perform direct measurement and…

Use Thermo Scientific™ Orion™ pH electrode filling solution with pH electrodes and reference electrodes. Packaged as five 2 oz. (5 x 60mL) bottles.

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.

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…

Perform virtually any electrochemistry analysis with Thermo Scientific™ Orion™ Conductivity Standards and Solutions. Choose from a complete selection of conductivity accessories including conductivity standards and TDS (total dissolved solids) standards. All conductivity standards are…

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.

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.

AquaMate 8100 UV-Vis Spectrophotometer The Thermo Scientific* Orion AquaMate spectrophotometer offers accuracy, dependability and ease of use your lab requires. The compact design, intuitive operation and innovative features will ensure your lab will have the ideal instrument for water…

Dual Source to comply with EPA 180.1 and ISO 7027 Nephelometric and Ratiometric measurements with Autoranging IP67 waterproof The Orion AQ4500 Turbidimeter offers a range of features not found on other benchtop or portable turbidimeters.  The AQ4500 offers a dual source LED which allows…

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…

Ammonia standard for use with ion selective electrodes. 100 ppm concentration 475 mL bottle

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…

Protect critical systems and get continuous online monitoring of reactive silica with the Thermo Scientific™ Orion™ 2230XP silica analyzer. This analyzer provides online performance and is designed to lower reagent consumption and reduce the total cost of ownership.

Maintain pH electrodes more effectively with Thermo Scientific™ Orion™ ROSS™ All-in-One™ pH Buffer Kits. Convenient buffer kit includes 4.01, 7.00 and 10.01 buffers, ROSS storage solution, cleaning solution and storage bottle. Kit includes one each: 1 pint…

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…

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…

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

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…

Accessories and replacement parts for the Orion Star T910 pH titrator, Orion Star T920 redox titrator, Orion Star T930 ion titrator and Orion Star T940 all-in-one titrator are designed to expand titrator functionality and minimize maintenance downtime. Select interchangeable burette sizes of…

Select replacement parts for the Thermo Scientific™ Orion Star™ series inkjet printer, including printer paper and ink cartridge.

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

Carbon Dioxide standard. For use with Ion selective electrodes 1000 ppm concentration 475 mL bottle

The Thermo Scientific™ Expert pH Pocket Tester is designed for on-the-go measurements of pH and temperature. The Expert pH Pocket Tester is best used in applications such as hydroponic gardening, aquaculture, agriculture, pools, cooling towers, and more! Large 4 digit double line…

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…

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,…

Accessory for Orion Dual Star, Star A and Versa Star Pro Meters: (2115000, 2115001, 2115101, 2115102, 2115201, 2115202, 2115203, 2115204, 2115205, STARA2110, STARA2114, STARA2115, STARA2116, STARA2117, STARA2118, STARA2119, STARA2120, STARA2125, STARA2126, STARA2130, STARA2135, STARA2136,…

Calibrate and store probes with Thermo Scientific™ Orion™ calibration sleeves for dissolved oxygen probes.

Get the readings that you need where you need them with the Thermo Scientific Orion Star A221 pH Portable Meter. The large, backlit graphic LCD display shows pH/mV/RmV and temperature along with electrode status, time, date and calibration points. Anyone can use this meter with its plain…

Permanently gelled Ag/AgCl electrolyte 0 to 12 pH range 0° to 80°C (32° to 176°F) temperature range Wick junction 5.93 in. long (15cm) x 0.25 in. diameter (6mm) body, 0.18 in. diameter (10mm) cap BNC Connector A routine wick junction, gel-filled pH measurement…

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…

Choose the reagent tablets you need for Orion™ AQUAfast colorimeters and Thermo Scientific™ Orion™ AquaMate Vis and UV-Vis spectrophotometers with Thermo Scientific™ Orion™ AQUAfast II chemistries test kits. These convenient, rapidly dissolving tablets can be precisely added to samples without…