Replaceable cap membrane Removable stirring mechanism Interchangeable design Simplifies measurement operations Use with standard 300 mL BOD bottles; no need for external stirring devices. Improved membrane life assures measurement consistency and speeds maintenance. Probe accuracy…

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…

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

The ProODO™ handheld meter provides durability for the measurement of optical, luminescent-based dissolved oxygen for any field application. The ProODO is rated to IP-67 standards even without the battery cover on. In-house testing procedures also include 1M drop tests from all angles to…

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…

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…

The Thermo Scientific Orion Star A323 RDO/ Dissolved Oxygen 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 dissolved oxygen in percent saturation or…

Thermo Scientific Orion Star A123 Dissolved Oxygen Portable Meters combine simplicity with accuracy. A large LCD displays dissolved oxygen readings along with temperature. Icons provide quick updates on battery life and completed calibration status. Simple button layout and onscreen messages help…

Includes: Pro20 Meter, 4-meter cable with Polarographic DO probe, carrying case, cable management kit

The MW600 is a Portable Dissolved Oxygen meter ideal for use in education, labs, aquaculture, environmental, wastewater treatment or pond and stream management. Anywhere accurate Dissolved Oxygen measurements are important and where Oxygen levels are continuously monitored to obtain optimal…

Oxygen level displayed as % Saturation or Concentration (mg/L [ppm]) Adjustable Altitude Compensation (0-20,000ft in 1,000ft increments) Adjustable Salinity Compensation from 0 to 50ppt Analog bargraph indicates trrends Memory stores up to 25 data sets with DO and Temperature reading …

Convenient Portable Dissolved Oxygen Meter for Wherever Your Work Takes You. After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in the form of

Easy user-replaceble sensor allows for quick sensor replacements if needed.  No tools necessary. Uses convenient screw-on cap membranes making membrane changes simple and easy Use with the Professional Plus and Pro20 instruments Cables must be ordered separately One-year…

1213U81 (WD-35640-80): Includes two complete membrane cap assemblies and 50mL of electrolyte solution. 1213U80 (WD-35640-72): Replacement membrane assembly consists of a preassembled membrane, membrane lock, O-ring, and cap. Simply screw replacement membrane assembly onto your probe. …

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 case, and low cost of ownership over the life of the product. The DO200A simultaneously…

Get the readings that you need where you need them with the Thermo Scientific Orion Star A223 RDO/Dissolved Oxygen Portable Meter. The large, backlit graphic LCD display shows dissolved oxygen in percent saturation or concentration with temperature and electrode status, time, date and…

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…

Convenient Auto-Stir™ DO probe for general purpose laboratory or field use.

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…

Mi605 is a portable, microprocessor-based, Dissolved Oxygen meter with automatic calibration and temperature compensation (ATC) specifically designed for spot sampling applications. Dissolved Oxygen measurements can be displayed in parts per million (ppm=mg/L) or in % of saturation. The temperature…

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

BOD Analyst Program for WINDOWS Conforms to Standard Methods Saves time and reduces errors Automates BOD calculations Insures data integrity Eliminates need for initial measurements of each sample dilution and derives theDO values based on the measurement of only…

Replacement membrane assembly consists of a preassembled membrane and cap. Simply screw replacement membrane assembly onto the probe you already have. Includes 50 mL of electrolyte solution.

Sturdy Holds any YSI D.O. meter, probe, cable, submersible stirrer and supplies Classic Grey Box Meter can be operated in case Dimensions: 39.5 x 23 x 34.5 cm (15.5 x 9 x 13.5 in.).

Save money by replacing sensor, not the tester Large easy-to-read LCD features three-color backlight Simple to calibrate with automatic standard recognition Rugged IP67-rated housing is waterproof, dustproof, and floats in water with sensor cap on Leakproof cap with fill line…

SevenGo™ instruments – robust meters for professional measurements The dual-channel instrument SevenGo Duo pro SG98 and the single-channel instrument SevenGo pro SG9 offer: Waterproof and dustproof in accordance with IP67 User-friendly display with background…

The 200-BOD is a self-stirring BOD probe designed to fit into standard 300 mL BOD bottles and used with the DO200 handheld DO instrument. Uses wall power - power supply included Modular design allows for serviceability Uses convenient screw-on PE cap membranes for the fastest repsonse times

Includes bottle of electrolyte, 1 sanding disc, and 6 screw-on cap membranes. 2.00 mL PE membranes, Blue cap Response Time (T95 - from 0 to 100%) = 17 seconds Flow Dependence After 4 Minutes = 18% Required Flow Rate = 3 inches/second  

The YSI ProDSS ODO/CT probe is the first expansion of the ProDSS system. The ODO/CT probe and cable assembly features integral (i.e. built-in) optical dissolved oxygen, conductivity, and temperature sensors and is available in lengths up to 100 meters. It’s perfect for measuring DO in the…