The ProOBOD® self-stirring optical BOD probes are designed to fit into standard 300 mL BOD bottles with an international version also available for use with other tapers. EPA approved for wastewater compliance reporting of BOD and CBOD. The ProOBOD is designed for use with the YSI ProODO…

Measures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal waste water, aquariums and fish hatcheries Automatic temperature compensation as well as compensation for salinity and altitude (all factors directly effecting DO readings) …

An evolution of the Professional Series water quality meters, the ProSolo DIGITAL handheld replaces the ProODO as YSI’s most advanced optical dissolved oxygen field meter. Paired with the latest optical DO and temperature (ODO/T) probe, the ProSolo benefits from years of expertise in…

7238F12 Maintenance Kit includes electrolyte solution (2 oz.), two membrane caps and a polishing disk. 7238F20 Maintenance Kit includes electrolyte solution (2 oz.), cleaning solution (2 oz.), cleaning paper, three membrane caps and a filling pipet. 7238F56 Maintenance Kit includes…

The Quatro is a 4-port cable for use with the Professional Plus instrument. The Quatro is a true field cable with MS (military spec) connectors, two year warranty, and rugged, weighted probe guard. Create a powerful multiparameter sampling instrument. Measure conductivity/temperature,…

Includes bottle of electrolyte, 1 sanding disc, and 6 screw-on cap membranes. 1.25 mL PE membranes.  Yellow cap. Response Time (T95 - from 0 to 100%) = 8 seconds Flow Dependence After 4 Minutes = 25% Required Flow Rate = 6 inches/second

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,…

The portable WTW ProfiLine meter series is available in three (3) series versions, the 3110/3205-Basic series, 3210-Professional series and 3310-Advanced series, each with a distinct level of sophistication for the independent measurement of pH, conductivity, or dissolved oxygen. All versions have…

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…

A number of accessories are available for use with the 970 dissolved oxygen meter.

Measures dissolved oxygen from 0 to 20.0mg/L and 0 to 100.0% oxygen plus temperature from 32 to 122°F (0 to 50°C) Automatic Temperature Compensation from 0 to 50°C via temperature probe sensor built into polarographic type oxygen probe Offset adjustment used for zero function to make…

Measures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal waste water, aquariums and fish hatcheries. Designed for simple one-hand operation with automatic temperature compensation and calibration to air. The polarographic probe has a built in…

Robust, membrane-covered galvanic dissolved oxygen sensor for applications in flowing waters, fish hatcheries, aeration basins and more fields. With screw-on protection. The special membranes achieve stable measured values, especially in the aeration basin and similar applications with strongly…

Galvanic DO Sensor for use with Professional Plus and Pro20 instruments. Easy user-replaceble sensor allows for quick sensor replacements if needed Comes with six membrane caps and bottle of solution

Heavy duty probe guard houses the DO and temperature sensors Weighted and waterproof; sinks easily Uses cap membranes for easy replacement. Cable is connected directly to probe body. Compatible with Model 52, 7230D50 and Model 58, 7230R25. Includes six cap membranes and KCl solution. For…

The Thermo Scientific Orion Star A216 pH/ RDO/Dissolved Oxygen 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 individual pH/mV/RmV result, dissolved oxygen in percent…

The ProSolo ODO/T kit includes the digital handheld with the optical dissolved oxygen and temperature probe assembly in a soft-sided carrying case. The ODO/T probe assembly pairs with the ProSolo Handheld to form a complete sampling system. Featuring integral, digital sensors, the ODO/CT is…

Optical oxygen sensor based on RDO technology Easy-to-replace OptiOx sensor caps Robust and manageable design OptiOx sensor cap The sensor cap for InLab® OptiOx oxygen sensors provides reliable results 365 days of the year. For replacement, old caps can simply be removed and new…

Model 5739 (7230R35) Screw-apart construction lets you quickly change from one cable length to another Ability to replace either probe or cable without replacing the entire assembly Pressure compensation, temperature compensation, built-in weight, long-life, polarographic…

The DO200M dissolved oxygen instrument offers fast dissolved oxygen response times in wastewater, surface water, and aquaculture applications. Available sensors are EPA approved for wastewater compliance reporting of BOD, CBOD, and DO. Compared to the EcoSense® DO200A, the DO200M features…

Accurate, economical, handheld dissolved oxygen measurements using optical technology. The EcoSense® line of compact, handheld instruments provides the most accurate data in the most affordable format. The instruments feature an easy-to-use interface, one-hand operation, IP67 waterproof…

The 60520 dissolved oxygen cables ONLY work with the YSI Pro Plus and Pro20 instruments. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters. Special orders up to 100-meters in 10-meter increments can also be placed. Cables over 1-meter come with the 603062 cable management…

Affordable optical RDO technology reduces maintenance time and costs Eliminates costly, tiresome membranes and solutions Rugged, IP67-rated housing for plant and field applications USB and RS-232 output for up to 500 data sets 500 hours battery life, or optional universal power…

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 AQ600 is a Portable Dissolved Oxygen meter ideal for use in school laboratories. Dissolved Oxygen measurements are also very important in fish farms and ponds, where Oxygen levels are continuously monitored to obtain optimal reproduction. The AQ600 calibrates easily in 2 points (at 100%…

Low-maintenance, galvanic probe requires no warm-up time Includes protective rubber boot which also functions as a benchtop stand These meters provide a great value. The ranges work to test water quality in wastewater, surface water, ground water, or drinking water. a clear LCD display…

The dissolved oxygen probes have been redesigned so that they are all the same diameter. As a result of this redesign the new probes have a narrower diameter than the old probes. The new probes are easily identified with a B after the probe part number on the probe or meter packaging. To…

IntelliCAL™ LDO101 is a digital, luminescent/optical dissolved oxygen (LDO) probe. The rugged version is available with a 5, 10, 15, or 30 meter cable and is intended for field use. The LDO101 is ideal for measuring dissolved oxygen in wastewater, drinking water and general water quality…

This versatile meter has a large, color graphic LCD display. The informative display shows readings, connections, time, date, sample ID, user ID and calibration information. Select from five modules to customize the four channels as you need it – it's versatile for you…

For DO 110, DO 300, and DO 600 meters Bring everything you need for accurate DO measurement with you when you work in the field. Includes 50 mL of electrolyte solution, two replacement membrane caps, rinse bottles, and hard carrying case with space for your meter and probe. (Meter not included).

Fast and precise optical dissolved oxygen determination in the lab or outdoors Optimized for dissolved oxygen in the laboratory, at-line, or outdoors, the new Seven2Go Pro S9 portable is designed to provide users with fast quality data, one-handed operation and durability. Robust in…