YSI Equipment

INW carries a full line of YSI meters. Please call or email for further information. Our sales and support staff are always happy to work with you to make your project a success.

556 Multiple Parameter Meter

Simultaneously measures:

  • Dissolved oxygen
  • pH
  • Conductivity
  • Temperature
  • ORP

550A Dissolved O2 Instrument

  • Polarographic technology
  • Measures dissolved oxygen (DO) and temperature
  • Direct salinity
  • Field-replaceable DO modules—easy-to-use, screw-on cap membranes