Dissolved Oxygen Meters
Dissolved Oxygen Meters
Thermo Scientific™ Orion Star™ A123 Dissolved Oxygen Portable Meter
Take simple dissolved oxygen and temperature measurements with this portable meter with easy operation for basic field testing.
Thermo Scientific™ Orion Star™ A213 Dissolved Oxygen Benchtop Meter
Reliably measure dissolved oxygen (RDO optical/polarographic) and temperature with this benchtop meter for advanced lab analysis.
Thermo Scientific™ Orion Star™ A323 Dissolved Oxygen Portable Meter
Accurately monitor dissolved oxygen (optical/polarographic) and temperature with this RDO/DO portable meter for challenging field testing.
Thermo Scientific™ Orion Star™ A223 Dissolved Oxygen Portable Meter
Reliably measure dissolved oxygen (optical/polarographic) and temperature with this RDO/DO portable meter for advanced field analysis.
Thermo Scientific™ Orion™ Versa Star Pro™ DO Benchtop Meter
Get premium performance and flexibility with this benchtop meter with module for dissolved oxygen (optical/polarographic) and temperature.
Thermo Scientific™ Orion Lab Star DO Dissolved Oxygen Bench Meters
Orion Lab Star DO113 dissolved oxygen bench meters measure DO as % saturation or concentration with temperature, feature large backlit display for easy viewability, and offer small footprint to save bench space. This DO meter is ideal for simplified, budget-friendly lab testing and data recording.
Mettler Toledo™ FiveGo™ F4 DO Meters
Portable meter provides reliable and high quality dissolved oxygen (DO) measurements with simple click of a button
Promotions are available
YSI™ ProODO Optical DO Cable
For use with ProODO, ProDSS, and 5500D instruments.
YSI™ EcoSense ODO200 Optical DO/Temperature Kit
Accurate, economical, handheld dissolved oxygen measurements using optical technology.
YSI™ Pro2030 Field Dissolved Oxygen/Conductivity Meter
Measure DO, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature
YSI™ Pro20 BOD Lab Kit
Pro20 BOD Lab Kit includes everything from lab to field (or both) along with a probe. Pro20 DO Meter is a tough, smart, versatile and portable dissolved oxygen meter for the lab or field!
Fisherbrand™ Traceable™ Dissolved Oxygen Meter Pen

O-ring seal and membrane keypad for long life in severe lab or harsh plant environments.
Cole-Parmer YSI 559 Replacement Dissolved Oxygen (DO) Sensor Module
This is a 559 replacement DO sensor module.

Fisherbrand™ accumet™ Research AR40 Benchtop Dissolved Oxygen Meter Kit
Easy-to-use dissolved oxygen meter provides accuracy, reliability and intuitive operation.
Fisherbrand™ Traceable™ Portable Dissolved Oxygen Meter Pens
Compact, rugged design with large, easy-to-read digits. Fisherbrand Traceable Portable Dissolved Oxygen Meter Pen has a water-resistant design with O-ring seal and membrane keypad which assures a long life in severe lab or harsh plant environments.
Thermo Scientific™ Orion™ 3-Star Plus Dissolved Oxygen Portable Meter
Waterproof, battery-operated meter stands up to the most demanding field applications
Thermo Scientific™ Orion Star™ A113 Dissolved Oxygen Benchtop Meter
Take simple, accurate dissolved oxygen and temperature measurements with this benchtop meter with easy operation for basic lab testing.
Oakton™ DO Six+ Portable Dissolved Oxygen Meters
High accuracy combined with economical pricing.
Oakton™ Waterproof DO 450 Portable Dissolved Oxygen Meter
Affordable optical RDO technology reduces maintenance time and costs.
YSI™ Benchtop Models 5100 Dissolved Oxygen Meters
Full-featured, microprocessor-controlled meters for state-of-the-art performance.
YSI™ Model 550A Dissolved Oxygen Meter
Rugged DO Meter designed for the field