YSI ProODO Optical Probe & Cable Assemblies

The YSI ODO optical probe & cable assemblies simultaneously measures temperature and optical dissolved oxygen when connected to the ProODO water quality meter.


  • Includes digital optical dissolved oxygen sensor with built-in temperature
  • Rugged Military-Style (MS) connector for field use
  • 2-year cable & probe warranty
List Price $751.00
Starting At $713.45
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  • 2-year warranty on cable assembly
  • 2-year warranty on probe module
  • 1-year warranty on sensor cap
  • (1) Cable and probe
  • (1) Calibration sleeve
  • (1) Probe guard with weight
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YSI ProODO Optical Probe & Cable Assemblies
ProODO cable assembly with optical DO & temperature sensors, 1m
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YSI ODO-4 Cable & Probe Assembly
ProODO cable assembly with optical DO & temperature sensors, 4m
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YSI ODO-10 Cable Probe Assembly
ProODO cable assembly with optical DO & temperature sensors, 10m
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YSI ODO-20 Cable Probe Assembly
ProODO cable assembly with optical DO & temperature sensors, 20m
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YSI ODO-30 Cable Probe Assembly
ProODO cable assembly with optical DO & temperature sensors, 30m
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YSI ODO-50 Cable Probe Assembly
ProODO cable assembly with optical DO & temperature sensors, 50m
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YSI ODO-100 Cable  Probe Assembly
ProODO cable assembly with optical DO & temperature sensors, 100m
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In The News

YSI ProODO: Simple dissolved oxygen data from optical technology

Dissolved oxygen meters have been serving limnologists and water managers for years with electrochemical probes that take time and skill to collect representative data. YSI’s latest handheld dissolved oxygen meter, the ProODO, takes all the guesswork out of dissolved oxygen readings by using an optical dissolved oxygen sensor to obtain consistent results, regardless of user expertise. The YSI ProODO was designed to improve on the faults of electrochemical probes. “The advantage is that the meter requires little expertise to get a good reading,” said Laura St. Pierre, YSI product manager. The probe uses light instead of a chemical reaction to measure dissolved oxygen concentrations. The optical dissolved oxygen probe never needs a warm-up time and doesn’t consume oxygen.

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Officials at the Mississippi Department of Marine Resources say that a recent fish kill along the state’s Gulf coast is the largest they’ve seen, according to KVUE. The fish kill has brought dead crabs, eels and stingrays ashore. Beachgoers were disturbed by the large-scale kill, but experts explained that conditions this year were to blame. With higher temperatures and low dissolved oxygen near the sea floor, creatures that live there were more likely to be affected. The fish kill, beginning July 1, was the first of 2013 for the area. It was expected to last several more days, but lessen over that period.

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Not So Quiet Polar Night: Arctic Creatures Found to be Active During Dark Part of the Year

Most people need little more than a comfortable pillow, a blanket, and a dark room to drift off into a multi-hour snooze. Many researchers assumed that once plunged into darkness for about half the year during the polar night, most polar creatures would do the same: fall asleep and take a big nap for as long as the darkness lasted. But Jon Cohen, associate professor of marine sciences, school of marine science and policy, in the College of Earth, Ocean, and the Environment at the University of Delaware, wondered if that was true. Despite the technical challenges of monitoring biota in very low light conditions, Cohen and his team were determined to find out if krill, copepods, and other creatures were dozing off in the dark or seeking out prey, light, and each other.

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