YSI 550A DO Meter with Spare Probes and Calibration Accessories

Description

The YSI 550A dissolved oxygen instrument has been discontinued. YSI will continue to support existing 550A’s through 2020. We recommend the Pro20 as a direct replacement. The ProSolo handheld instrument is also a suitable replacements.

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Quality Ysi 550A Dissolved Oxygen Meter – Replacement Parts for your collection.