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  • Home
  • Air Monitors
    • PID - Photo Ionization >
      • MiniRAE 3000
      • MiniRAE 2000
      • ppbRAE 3000
    • Single & Multiple Gas >
      • MultiRAE
    • Velocity / IAQ / Heat Stress >
      • TSI 9545A
      • Kestrel 5400 Heat Stress
      • TSI 7575
    • FLIR C3-X
  • Water Monitors
    • Multi Parameter with Flow Cell >
      • Manta+ 20
      • Horiba U-52
      • YSI Pro Plus
      • YSI 556
    • Non-Flow Cell Meters >
      • Hach 2100Q Turbidity
      • Hach DR/890
      • Hach Ferrous Iron
      • YSI 550a Dissolved Oxygen
      • YSI 85
      • YSI Ecosense 15A
    • Water Level & Oil / Water Interface Probes >
      • Heron dipper-T2 Water Level
      • Solinst Water Level
      • Heron Skinny Dipper WLI
      • Heron Oil / Water IFP
    • Pumps - Bladder, Peristaltic & Submersible >
      • Bladder Pumps >
        • MP50 Controller
        • MP10 Controller
        • QED Sample Pro - 1.75"
      • Peristaltic Pumps >
        • Athena
        • Alexis
      • Other Pumps >
        • Mega Monsoon Pro
  • IAQ & Soil Monitors
    • Sound & Light Meters
    • IAQ / Building /Jobsite Monitors >
      • TSI 7575
      • TSI 9545A
      • Thermo PDR-1000AN
      • FLIR C3-X
      • Kestrel 5400 Heat Stress
      • Dwyer Manometers
      • Delmhorst BD-2100
    • Hanna Direct Soil Monitors
  • Supplies
    • Field & General Supplies
    • COVID Information & Supplies >
      • 3M 7500 Series Masks
      • P100 Filters
      • Onslaught
      • Nitrile Gloves
      • Sanitizing Wipes
      • Shockwave
  • 1-877-950-7368 (RENT)
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YSI 556

instruction Manual
Specifications sheet
YSI Pro Plus Multi Parameter with Flow Cell
The YSI 556 handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, and temperature.

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