YSI Model 550 Handheld Dissolved Oxygen Meter
YSI

YSI Model 550 Handheld Dissolved Oxygen Meter

Pine Item #51640

Looking for a rugged, field worthy instrument for measuring dissovled oxygen? The new YSI 550A Dissolved Oxygen instument features a waterproof (IP-67), impact-resistant case and innovative field-replaceable dissolved oxygen electrode modules. Measure dissovled Oxygen and temperature simultaneously using YSI's proveb polarographic technology for oxygen and YSI temperature precision thermistors, the planetwide standard for accuracy. The new PE membranes provide faster response times with less stirring dependence - saving time with every reading!

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