550A Dissolved Oxygen Instrument
The YSI 550A dissolved oxygen meter is a rugged, user-friendly instrument for dissolved oxygen measurement. The Pro20 can be used in the lab or the field
* Field-replaceable DO electrode modules
* Screw-on cap membranes
* IP-67 case
* Over 2000 hours battery life
* Calibrate in either mg/L or % saturation
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Certifications
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High-impact resistance, IP-67, CE
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Graphic Display
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Graphic
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Measurement Range
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Dissolved Oxygen-0 to 500% air saturation/0 to 50 mg/L, Temperature--5 to 45°C
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Multiparameter
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Yes
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Parameters Measured
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Dissolved Oxygen, Temperature
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Power
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Low battery indicator on display, Over 2000 hours at 25°C, 4 alkaline C-cells
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Sampling
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Yes
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Unit of Measure
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Dissolved Oxygen-% air saturation, Temperature-°C, mg/L
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User Calibratable
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Yes
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User Replaceable
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Yes
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Warranty
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3-year instrument; 1-year DO module
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Waterproof
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floats, IP-67 (even with the battery cover off)
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