55 Dissolved Oxygen Instrument

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Option

SKU055200


The YSI model 55 dissolved oxygen and temperature handheld instrument has been discontinued.  YSI will no longer accept orders for the model 55.

YSI will continue to support existing model 55’s for the next 5 years.  The Pro20 and ProODO handheld instruments are suitable replacements.

Field-proven, a true classic Dissolved Oxygen Meter.

The YSI 55 dissolved oxygen meter measures dissolved oxygen in mg/L or percent saturation.

  • Overview

    Offering push-button calibration with a built-in calibration chamber, direct salinity, and altitude compensation, the YSI 55 provides simultaneous readings of oxygen and temperature.

    Dissolved oxygen readings are automatically compensated for temperature.

    Features:

    • Large, backlit display
    • 12, 25, or 50 foot cables
    • IP-65 water tight
    • Low-battery indicator
    • CE compliant

    Includes: Instrument, attached cable, probe, and a 5775 Membrane Kit

  • Specifications
    Certifications IP-65 (water resistant), CE compliant
    Graphic Display Graphic, backlit display
    Logging Capabilities Single
    Measurement Range Dissolved Oxygen-0 to 200% air saturation/0 to 20 mg/L, Temperature--5 to 45°C
    Parameters Measured Dissolved Oxygen, Temperature
    Power 2 alkaline C-cells provide 400 continuous hours at ambient temperature without backlight
    Sampling Yes
    Unit of Measure Dissolved Oxygen-% air saturation, mg/L, Temperature-°C
    User Calibratable Yes
    Warranty 2-year instrument
    Waterproof IP-65 (water resistant)
  • Accessories

    Membrane Kit, Standard, includes electrolyte (1 mil)

    Membrane Kit, Standard, includes electrolyte (1 mil)

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