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…

The DO Auto-Stir™ probe is designed for fast and easy BOD analysis with the Thermo Orion 862A DO/BOD/Temperature Meter. The built-in stirrer provides vigorous sample agitation, preventing oxygen stratification and can easily be disassembled for cleaning. The probe stand, which is free…

Ensure your Thermo Scientific™ Orion™ AQUAfast™ AQ4500 turbidity meter has the accessories it needs with our selection of Orion™ AQUAfast™ AQ4500 turbidity meter accessories that include turbidity vials, primary turbidity standards, Formazin turbidity standards, and more. Our Orion AQUAfast AQ4500…

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

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…

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…

Get results three to five times more precise than those obtained with conventional electrodes with the Thermo Scientific™ Orion™ 8104BN ROSS™ combination rugged bulb pH electrode. This instrument provides stable readings to 0.01 pH in less than 30 seconds.

The Orion ROSS® micro pH electrode is specifically designed to measure small samples. This unique design offers greater durability than conventional micro pH electrodes while providing all the performance benefits of a ROSS® electrode. The refillable glass ROSS micro pH electrode is compatible 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.

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…

The Thermo Scientific Orion Star A325 pH/ 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 individual pH/mV/RmV or…

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…

Maintain DO probes in optimal working condition with Thermo Scientific™ Orion™ Electrolyte Solution for Polarographic Dissolved Oxygen Probes, available in a convenient 60mL bottle. 60 mL bottle

Inkjet printer and accessories are for the Orion 3-, 4-, and 5-Star series meters.

Durable and accurate DO probe for the lab or field. Cable lengths 1.5 - 20m. Compatible with Star Series meter. Mini DiN connector.

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 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,…

Hold 5 gallons (19L) of pH buffer in color-coded Thermo Scientific™ Orion™ pH Buffer Cubitainers™ with easy-pour spigot. Color coded: pH 7.00 buffer is yellow Packaged with buffer/temperature tables for accurate calibrations and NIST™ traceability Manufactured…

Hold 5 gallons (19L) of pH buffer in color-coded Thermo Scientific™ Orion™ pH Buffer Cubitainers™ with easy-pour spigot.

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…

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…

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…

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,…

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…

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 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…

Get the readings that you need where you need them with the Thermo Scientific Orion Star A222 Conductivity Portable Meter. The large, backlit graphic LCD display shows conductivity/ TDS/salinity/resistivity and temperature along with electrode status, time, date and calibration points. …

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…

Iodide Standard for use with Iodide Ion selective electrodes. 0.1M concentration 475 mL bottle

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…