YSI™ Model 556 Multi-Probe System

Multi-functional handheld DO meter

Manufacturer: YSI™ 556-01

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Catalog No. 13-298-64


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    Range (pH) 0 to 14
    Resolution (pH) 0.01
    Range (ORP) -999 to 999mV
    Range (Conductivity) 0 to 100mS/cm
    Resolution (Conductivity) 0.001 to 0.1 mS/cm
    Range (Salinity) 0 to 70ppt
    Resolution (Salinity) 0.01ppt
    Resolution (Temperature) 0.1°C
    Outputs RS232
    Certifications/Compliance Conforms to GLP, CE Compliant
    Weight (Metric) 916g
    Weight (English) 2 lb.
    Model 556
    Range (DO) 0 to 50mg/L
    Resolution (DO) 0.01mg/L
    Resolution (ORP) 0.1mV
    Shipping Weight (Metric) 4.7 in.
    Width (English) 11.9cm
    Warranty 3 years
    Product Type DO Meter

    Features push-button calibration, direct salinity and altitude compensation, and conductivity autoranging. Dissolved oxygen calibration can be executed in either mg/L or % air saturation, and readings automatically compensate for temperature.

    • Stores more than 49,000 time– and date–stamped data sets with up to eight parameters each Compatible with EcoWatch™ for Windows™ data analysis software (order separately; contact your Fisher Scientific™ representative)
    • Conforms to GLP standards
    • Unit is rugged, reliable and designed for convenience
    • Waterproof and impact-resistant IP67 housing
    • DO electrode modules and pH/ORP probes are easily replaced in the field
    • DO membranes are screw-on caps; probe is weighted for fast sinking
    • New DO membranes provide faster DO response times and lessen stirring dependency
    • Meter weighs 2 lb. (916g); measures 41 1/16W x 9 in. H (11.9 x 22.9cm)

  • Description & Specifications
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