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 S600 SevenExcellence™ DO meter allows users to determine dissolved oxygen content in samples polarographically using any of METTLER TOLEDO's state-of-the art InLab® 605 polarographic dissolved oxygen sensors. The S900 SevenExcellence DO meter allows users to determine…

Pro20i Parameters Dissolved Oxygen (DO%, DO Local, mg/L, ppm) Temperature (°C, °F) Barometric Pressure (mmHg, inHg, mbar, psi, kPa) The YSI Pro20i provides everything you need in a handheld dissolved oxygen meter. Ruggedness, simplicity and reliability are the…

Model 5000 (7230D60) Microprocessor-based, menu-driven meter Large, graphical LCD Datalogging up to 100 points Auto-stabilization Display provides on-screen menus and large data fields. Keys have tactile and audio response. RS232 interface. Features a real time clock. Dimensions: 9" L…

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…

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…

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…

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…

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 …

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…

Luminescence-based LDO technology for the lab IntelliCAL™ LDO101 is a digital, luminescent/optical dissolved oxygen (LDO) probe. The standard version is available with a 3 or 1-meter cable and is intended for laboratory use. The LDO101 is ideal for measuring dissolved oxygen in…

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…

When used with any standard pH meter, the Orion™ 97-08 Oxygen electrode simplifies routine dissolved oxygen measurements, especially for biochemical oxygen demand (BOD). Polarographic O₂ sensor plus solid-state circuitry in probe top; converts current to voltage for direct…

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…

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…

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…

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

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 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…

Easy to use, rugged and reliable, the YSI Pro1020 provides everything you need in a handheld instrument for the measurement of dissolved oxygen, temperature and either pH or ORP. User-replaceable sensors and cables, 50 data set memory, and convenient calibration routine makes it user friendly. A…

Handheld dissolved oxygen instrument for the lab or field! 3-year instrument; 2-year cable warranty User-replaceable cables and sensors. Choose polarographic or galvanic for the field or a self-stirring BOD probe for the lab One Touch Cal allows easy DO calibrations within 3 seconds…

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…

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

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…

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…

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…

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…

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 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…

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…