YSI 559 Dissolved Oxygen Sensor

YSI 559 Dissolved Oxygen Sensor


Included with the purchase of a 5563 cable assembly or 550A DO meter, the YSI 559 dissolved oxygen sensor provides reliable DO readings.


  • Replacement polarographic dissolved oxygen sensor for the YSI 556 and 550A handheld meters
  • Sensor easily inserts into the 5563 probe module and cable assembly for use in the YSI 556 system
  • Compatible with YSI 5906, 5908, or 5909 screw-on cap membranes
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Shipping Information
Return Policy
Why Buy From Fondriest?
Notable Specifications:
  • 1-year warranty
What's Included:
  • (1) YSI 559 DO module
  • (1) Instruction sheet
  • (1) Hex wrench
  • (1) Set screw
Image Part # Product Description Price Stock Order
YSI 559 Dissolved Oxygen Sensor 655900 559 dissolved oxygen sensor, 550A & 556
In Stock
Image Part # Product Description Price Stock Order
YSI 5909 DO Cap Membrane Kit 605307 5909 PE blue 2.0 mil cap membrane kit, 559 & 2003 polarographic sensors
In Stock
YSI 5908 DO Cap Membrane Kit 605306 5908 PE yellow 1.25 mil cap membrane kit, 550A, DO200, 559 & 2003 polarographic sensors
Usually ships in 3-5 days
YSI 5906 DO Cap Membrane Kit 059880 5906 Teflon black 1.0 mil cap membrane kit, 85, 5905, 5010, 5239, 559 & 2003 polarographic sensors
In Stock
Additional Product Information:

Questions & Answers

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Which membrane cap kit should I use?
The 559 is compatible with 5906, 5908, and 5909 screw on cap membranes.

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