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METTLER TOLEDO™ S900 SevenExcellence™ Dissolved Oxygen/BOD Benchtop Meter

The S900 is a dissolved oxygen(DO)/biological oxygen demand (BOD) meter. It can be expanded with additional modules to measure pH, conductivity, ISE, salinity, TDS, and Redox/ORP. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel file, or LIMS system.

Supplier:  METTLER TOLEDO™ 30092984

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Catalog No. 01-910-923



  • Dissolved oxygen/BOD meter than can be expanded with additional measurement modules to measure pH, conductivity, resistivity, Redox/ORP, ISFET, ISE, salinity, and TDS
  • Easily create measurement and calibration shortcuts
  • 7 inch color touch screen with intuitive menu navigation
  • Capable of performing polarographic or optical dissolved oxygen measurements
  • Determine dissolved oxygen content in samples using the new InLab™ OptiOx digital dissolved oxygen sensors. Combined with the InLab OptiOx, the S900 is also able to quickly and precisely measure biochemical oxygen demand
  • Compatible with our ISM electrodes that capture and save calibration data which is then automatically recognized by the meter once connected
  • Meter connects to electrodes via BNC; S7 to BNC cables available
  • Export data to a printer, Excel file, or LIMS system
  • Automation available for measurements and cleaning in high-throughput applications
  • Manage user permissions and access to ensure data integrity
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Optional comprehensive qualification package available including IQ/OQ/PQ


Includes declaration of conformity
0.001 (display)
±0.1mg/L from 0 to 8; ±0.2mg/L from 8 to 20; ±10% from 20 to 50
Instrument, DO expansion unit, two blank expansion units, uPlace™ electrode holder, cover, LabX™ direct pH PC software
0.000 to 50mg/L (ppm)