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Classic Handheld Multi-Parameter Instrument | YSI – 556 MPS

Supplier: Air-Met Scientific

A multi-parameter instrument engineered to deliver accurate measurements in a compact package.

Price Guide: POA

YSI's 556 Multiparemeter instrument is engineered to deliver accurate measurements in a compact package. It's packaged with features that make your work easier and more convenient; such as fast response, easy calibration, easy-to-read backlit display, waterproof IP-67 impact resistant case, large memory capacity, one-handed operation and a storage chamber to keep probes safe.

The YSI 556 MPS simultaneously measures dissolved oxygen, pH, conductivity, temperature, and ORP in one easy to use, single-handed operational instrument. The YSI 556 MPS conforms to GLP standards.


  • Field-replaceable DO, pH, and pH/ORP probes
  • RS-232 and Compatible with EcowatchTM for WindowsTM data analysis software
  • Easy-to-use, screw-on cap DO membranes
  • User-upgradable software from YSI website
  • Three-year warranty
  • Optional barometer
  • Easy calibration
  • Large memory capacity
  • Easy to read backlit display
  • Rugged and waterproof IP-67 case
  • Comes with 5061 soft carry case
  • Compatible with EcoWatch for Windows data analysis software
  • Available with 4, 10 and 20m cables.

Available at Air-Met offices nationwide for sales only.