Robust and reliable, the YSI 556 MPS (Multi Probe System) combines the versatility of a user friendly device with the functionality of a multiparametric system. 

    • Simultaneous measurement of Dissolved Oxigen (DO), pH, Electrical Conductivity (EC), temperature and Oxidative/Reductive Potential (ORP)
    • The electrodes are replaceable in any working location
    • Compatible with ECOWATCH™ for Windows™ data analysis software 
    • Stores up to 49.000 datasets, intervals or manual registries
    • Three year guarantee: one in probes
    • Offers GLP, stores calibration data in memory
    • Available with cables of 4, 10, and 20 m length
    • IP-67, water and shockproof housing
    • User friendly. Easily changed DO membranes
    • RS-232 output for connection to PC