Dissolved Oxygen (DO / BOD)

  • Handheld
  • Sonde
  • Sensor
  • Benchtop
  • System & Online
YSI ProDSS Handheld Instrument

YSI ProDSS - Digital Sampling System

The YSI ProDSS (digital sampling system) handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, turbidity, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature along with depth.

YSI Pro Plus multiparameter instrument

YSI Professional Plus Multiparameter Meter

The YSI Professional Plus handheld multiparameter meter provides extreme flexibility for the measurement of a variety of parameters such as DO, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.

Pro1020 Handheld DO pH Meter

YSI Pro1020

The Pro1020 provides everything you need in a handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox). Rugged, simple and reliable. Measure pH or ORP, dissolved oxygen, and temperature.

Pro2030 Handheld DO/Conductivity Meter

YSI Pro2030

The ideal replacement for the discontinued YSI Model 85. The Pro2030 provides everything you need in a handheld dissolved oxygen meter that automatically compensates for changes in salinity values. Rugged, simple and reliable. Measure DO, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature.

YSI ProODO Optical Dissolved Oxygen Meter

YSI ProODO - Dissolved Oxygen Meter

The YSI PRO ODO is the best handheld optical dissolved oxygen instrument on the market. The handheld dissolved oxygen meter provides extreme durability for measuring DO with optical, luminescent based technology for both the field and lab.

PRO20 Handheld DO Meter

YSI Pro20 Dissolved Oxygen Meter

The Pro20 provides everything you need in a handheld dissolved oxygen meter. Ruggedness, simplicity and reliability are the cornerstones of the instrument's design.

EcoSense ODO200 Handheld

YSI EcoSense ODO200 Handheld - Optical Dissolved Oxygen Meter

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 case, and low cost of ownership over the life of the product.

YSI 9500

YSI 9300 + 9500 Photometer

The YSI 9300 and YSI 9500 are economical photometers in small packages for any application. These portable photometers allow you to easily take readings directly in the field for 100+ parameters.

YSI 556 Handheld Multiparameter Instrument

YSI 556 Handheld Multiparameter Instrument

The 556 MPS handheld instrument has been discontinued and Xylem Analytics Australia is no longer accepting orders for this instrument. However, we will continue to support existing 556's for the next 5 years. We recommend The Professional Plus (Pro Plus) or ProDSS handheld instruments as suitable replacements.

YSI EXO1 and handheld

YSI EXO1 Multiparameter Sonde

Capturing accurate data in fresh water, ground water and marine aquatic environments is easy with the versatile multiparameter EXO1 sonde. Ideal for estuarine, surface water or ground water applications.

YSI EXO2 multiparamter water quality instrument

YSI EXO2 Multiparameter Sonde

The EXO advanced water quality monitoring platform includes the versatile multiparameter EXO2 sonde for oceanographic, estuarine, or surface water applications. Collect data to 250m with the advanced EXO2 sonde – contains six replaceable 'smart' sensors and a central wiper to clean biofouling.

6920 V2 Sonde

YSI 6920 V2 Sonde

The YSI 6920 V2 sonde is an economical water quality logging system, ideal for long-term in situ monitoring and profiling.Real-time turbidity monitoring, dissolved oxygen monitoring, algae monitoring, and more.

6820 V2-2 Multi-Parameter Water Quality Sonde

YSI 6820 V2 Multi Parameter Water Quality Sonde

The YSI 6820 V2-2 is a cost-effective data sonde for profiling and spot-checking water quality in rivers, lakes, wetlands, wells, estuaries, and coastal waters.

6600V2 Sonte

YSI 6600 V2 Sonde

The YSI 6600 V2 data sonde is the most comprehensive water quality monitoring equipment available with simultaneous measurement of conductivity (salinity), temperature, depth or level, pH/ORP and...

600OMS V2 Sonde

YSI 600OMS V2 Sonde

Measure optical dissolved oxygen, chlorophyll, blue-green algae, rhodamine, or turbidity in combination with temperature, conductivity and depth. Designed for use in fresh, sea or polluted waters, the 600OMS V2 data sonde utilizes the field-proven YSI sensors and incorporates innovations in water quality sensor modules that fits into the sonde body.

Aanderaa Aqua Optode 4531

Aanderaa Oxygen Optodes

The Oxygen optode is designed to measure absolute oxygen concentration and % saturation. The optode can be used from streams to deep sea, from fish farms to waste water and from polar ice areas to hydrothermal vents. The lifetime-based luminescence quenching principle offers the following benefits

YSI ProOBOD Optical BOD Probe

YSI ProOBOD Optical BOD Probe

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.

YSI EcoSense BOD Probe

YSI EcoSense BOD Probe

Self-stirring laboratory BOD probe for use with the EcoSense DO200 or DO200A.
Includes external power adapter and 5908 Cap Membrane Kit (1.25 Mil PE membranes).

EXO Optical Dissolved Oxygen Smart Sensor

YSI EXO Optical Dissolved Oxygen Smart Sensor

The EXO optical dissolved oxygen sensor is a digital smart sensor featuring welded titanium construction and wet-mateable connectors. Complete calibration in less than 15 minutes using EXO's suite of smart sensors and intuitive KOR interface software.

6150 ROX Dissolved Oxygen Sensor

YSI 6150 ROX Dissolved Oxygen Sensor

The YSI 6150 Reliable Oxygen Sensor (ROX) is a luminescent-based DO sensor that provides accurate long-term measurements in severe fouling and low oxygen environments.

YSI 6450AF anti-fouling-do-probe

YSI 6450AF Anti-Fouling Dissolved Oxygen Sensor

The YSI 6450AF anti-fouling DO sensor is a luminescent-based DO sensor that provides accurate long-term measurements in severe fouling and low oxygen environments.

YSI MultiLab 4010-1 Laboratory Instrument

YSI MultiLab 4010-1

Connect digital IDS sensors to the MultiLab 4010-1 for the measurement of pH, ORP, conductivity, and DO/BOD.

YSI MultiLab 4010-2

YSI MultiLab 4010-2

Laboratory Instruments for pH, ORP, conductivity, BOD and Ion Activity Measurement
Connect digital IDS sensors to the MultiLab 4010-2 for the measurement of pH, ORP, conductivity, and DO/BOD in any combination. Ion selective electrodes (ISEs) can also be connected to the instrument.

YSI MultiLab 4010-3

YSI MultiLab 4010-3

Laboratory Instrument for pH, ORP, Conductivity, BOD and Ion Activity Measurement
Connect digital IDS sensors to the MultiLab 4010-3 for the measurement of pH, ORP, conductivity, and DO/BOD in any combination. Ion selective electrodes (ISEs) can also be connected to the instrument.

YSI 5100

YSI 5000/5100 DO Laboratory Benchtop Meters

Accurate, reliable YSI benchtop dissolved oxygen instruments for the laboratory. Easily conduct DO, BODs or OUR/SOUR tests. Both instruments feature: auto-calibration, large, graphic displays and low keypad profiles for maximum efficiency.

SeaGuardII DCP

Aanderaa SeaGuardII DCP

This acoustic profiler features innovative development of the acoustic profiling capacity and an exceptional ability to collect high quality current information on moving and tilting moorings. Available as a self-recording instrument, it also integrates unique real time features to meet your application needs.

Seaguard RCM

Aanderaa SeaGuard RCM

The single-point SEAGUARD® RCM series is a completely new generation of current meters based on the SEAGUARD® datalogger platform and the ZPulse® multi-frequency Doppler Current Sensor (DCS). SEAGUARD® Products are based on modern technology and are the basic modules of our underwater observatory. They may be used as a multi-parameter instrument in the sea and in freshwater and feature a modular plug-and-play architecture.

Buoy - Vertical Profiling System

YSI 6952 Buoy - Vertical Profiling System

The YSI 6952 Buoy - Vertical Profiling System offers user-programmable sample intervals, redundant error recovery logic that detects unexpected activity and recovers automatically, and is compatible with all YSI EXO and 6-Series sondes equipped with depth.

Multiparameter water quality verticle profiler

YSI 6951 Pontoon - Vertical Profiling System

The YSI 6951 Pontoon Vertical Profiling System offers user-programmable sample intervals, redundant error recovery logic that detects unexpected activity and recovers automatically, and is compatible with all YSI EXO and 6-Series sondes equipped with depth.

WTW 2020 XT

WTW IQ SensorNet 2020 XT Controller

With an easily scalable solution, the 2020 XT allows for the connection of up to 20 sensors. This modular plug-and-play system allows you to monitor the water quality in your wastewater system continuously and accurately.

Online D.O. Measurement

WTW Online Dissolved Oxygen (DO) Measurement

WTW has been continuously designing, manufacturing and satisfying the demands for reliable dissolved oxygen measurements with the most advanced online systems available anywhere.

WTW MPP 930 IDS

WTW MPP IDS – Multi-parameter Depth Sondes within IDS System

Up-to-date digital depth measurement with the WTW IDS system: A built-in barometric pressure and temperature compensated depth sensor combines dissolved oxygen, pH or ORP and conductivity measurements with accurate depth readings.

WTW FDO® 700 IQ

WTW FDO 700 Digital IQ Sensors for Dissolved Oxygen

Calibration-free, reliable, DIN compliant - the optical FDO® oxygen sensors for the IQ Sensor Net to regulate biological cleaning steps

  • Calibration and flow free
  • Insensitive to air bubbles
  • Low usage costs