YSI™ Model 550A Dissolved Oxygen Meter

Rugged DO Meter designed for the field

Manufacturer: YSI™ 550A50

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Catalog No. 13-298-122

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    Includes Meter, DO/temperature probe, 4 C Batteries, Cable
    Sensor Types Thermistor
    Resolution (Temperature) 0.1°C
    Accuracy (Temperature) ±0.3°C
    Battery Life 2000 hr.
    Battery Type C Alkaline
    IP Rating 67
    Certifications/Compliance CE, IP67
    Weight (English) 2 lb.
    Weight (Metric) 0.91kg
    Accuracy (DO) 0 to 20mg/L, ±0.3mg/L or 2% of reading, whichever is greater, 20 to 50mg/L, ±6% of reading
    Dimensions (L x W) 9 x 4.75 in. (23 x 12cm)
    For Use With (Application) DO, Temperature
    Height (English) 2.5 in.
    Length (English) 9 in.
    Length (English) Cable 50 ft.
    Length (Metric) 23cm
    Range (DO) 0 to 50mg/L
    Resolution (DO) 0.01, 0.1mg/L
    Saturation Range 0 to 500% Air Saturation
    Saturation Resolution 0.1% Air Saturation
    Temperature (English) Range 23° to 113°F
    Width (English) 4.75 in.
    Width (Metric) 12cm
    Warranty 3 Years

    • Accurate measurement of dissolved oxygen and temperature simultaneously
    • Waterproof, impact-resistant case
    • Innovative field-replaceable DO electrode with screw-on cap membranes
    • Quick sinking, weighted probe
    • Large easy-to-read backlit display
    • Features calibration in % and mg/L, altitude and temperature compensation, and a low battery indicator

  • Description & Specifications
  • Accessories

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