Ecosense ODO200 Optical Dissolved Oxygen, Temp, Instrument & Accessories

EcoSense ODO200 Optical DO/Temperature 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 optical dissolved oxygen sensor, easy-to-use interface, low maintenance requirements, accurate and repeatable measurements, and low cost of ownership over the life of the product.



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The ODO200 simultaneously measures dissolved oxygen and temperature with the following features:

  • Optical sensors mean worry-free accurate measurements, holds cal for several months, no stirring required, no electrodes to clean or membranes to change and no effect from gases such as H2S
  • Automatic temperature compensation; Manual input for salinity and pressure compensation
  • Weighted, 1-, 4- and 10-meter durable field probes/cables; detachable
  • Low battery indicator with 100-hour battery life
  • Replaceable optical sensor cap with a 1-year warranty (12-18 month life)
  • Auto shutoff function after 30 minutes of inactivity
  • 50 data set reviewable memory
  • 1-year instrument, cable and sensor cap warranty

The ODO200 is designed for quick, accurate results in an economical platform. The ability to measure DO optically along with temperature, in a simple, compact handheld allows the instrument to be used across multiple application sampling strategies in the field. With a one-year instrument, probe and sensor cap warranty, IP67 waterproof case and ease-of-use, the EcoSense ODO200 will fit your needs. 

Optical benefits include:

  • no stirring required
  • no warm-up time
  • no electrolyte solutions
  • no electrode maintenance
  • no membranes
  • no interferences from gases such as hydrogen sulfide

 Manufacturer Specifications


Part Number Description Compatible With Additional Notes
Instrument Only YSIODO200 EcoSense Optical Dissolved Oxygen and Temp Instrument
Probe, Cables, and Accessories
YSIODO-01 EcoSense Optical DO and Temp Field Probe, 1M Cable ODO200, ODO200M Probe and Cable only
YSIODo-04 EcoSense Optical DO and Temp Field Probe, 4M Cable ODO200, ODO200M Probe and Cable only
YSIODO-10 EcoSense Optical DO and Temp Field Probe, 10M Cable ODO200, ODO200M Probe and Cable only
YSIODO200-CAP Sensor Cap Kit, EcoSense ODO200 ODO200, ODO200M
YSI282 Carrying Case, Hard Plastic w/Form Fitted Foam Insert 12.5x9.5x3.7 ODO200, ODO200M
ODO200 Kits
YSIODO200CC-01 EcoSense Kit with ODO200, 1M Probe and Case
YSIODO200CC-04 EcoSense Kit with ODO200, 4M Probe and Case
YSIODO200CC-010 EcoSense Kit with ODO200, 10M Probe and Case