YSI Pro 20

The YSI Pro 20 provides everything you need in a handheld dissolved oxygen meter. Ruggedness, simplicity, and reliability are the cornerstones of the instrument's design.  The YSI Pro 20 can use Polarographic or Galvanic dissolved oxygen sensors.

Range: 0 to 50 mg/L

• Rugged & easy to use handset
• 50 data sets
• Battery life = 450 hours with two C-sized alkaline

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