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YSI 556 MPS Water Quality Meter: Accurate, reliable measurements for dissolved oxygen, conductivity, pH & more. Essential for precise water quality analysis.
Certified pre-owned YSI 556 MPS multiparameter handheld meter with the 5565 pH/ORP probe. Delivers dissolved oxygen, pH, ORP, conductivity, and temperature readings with robust field durability and 49,000 data set logging. Supplied with calibration accessories and soft carry case. Function-tested, field-ready. Live Chat or call 1-833-322-7865.