YSI® 556 Multi-Probe System


Featuring a waterproof IP-67, impact-resistant case, the YSI 556MPS simultaneously measures dissolved oxygen, pH, conductivity, temperature, and ORP. Or, simply purchase the cable to measure DO, conductivity, and temperature if needed. The YSI 556 MPS conforms to GLP standards.

Battery Options: The unit is powered by alkaline batteries or an optional rechargeable battery pack (YSI Part # 6118) with fast charge feature.

Optional Barometer: Internal barometer can be user-calibrated and displayed along with other data, used in dissolved oxygen calibrations, and logged to memory for tracking changes in barometric pressure.

Carrying Case: The instrument comes standard with a soft-sided carrying case with enough space for the YSI 556 MPS, a 20-meter cable, and calibrating supplies.

Additional Features:

Pair the 556 up with the 5083 flow cell and 5080 carrying case and you have a complete groundwater package. The 5083 flow cell is extrmely simple to connect to the 556 and cleans up even easier!

In order to ensure data quality be sure to use the 5580 Confidence Solution with the 556 . Quickly check pH, ORP, and conductivity values to guarantee probe accuracy during important field studies.

The 556 also features menu-driven operation with multiple languages including Spanish, French, Italian, German, Norwegian, and English.

Data management is simple with EcoWatch™ desktop software for tabluar and graphical data representations.


YSI 556 Instrument General Specifications

Barometer:  Optional

Cables:  4, 10, or 20 meters (13.1, 32.8, 65.6 ft)

Communications:  RS-232 Serial

Connector:  MS (military spec) waterproof with bayonet lock

Data Management:  EcoWatch desktop software compatible

Data Memory:  49,000 data sets (data, date, time, user-defined info); interval or manual logging

Dimensions:  11.9 cm width x 22.9 cm length (4.7 in x 9 in)

Logging:  49,000 data sets, date and time stamp, manual or logging, with user-selectable intervals

Power:  4 alkaline C-cells; optional rechargeable pack

Warranty:  3-year instrument; 1-year probes and cables

Weight with Batteries:  916 grams (2.1 lbs)

Toll Free: 1-888-233-3535

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