Thermo Scientific Orion Star A100 Series Portable Dissolved Oxygen Meter

Make it easy and affordable to take simple, accurate dissolved oxygen measurements
  • Oxygen measurement directly in % saturation or mg/L (ppm)
  • Large LCD displays Conductivity along with temperature
  • Auto-Read™ function locks in stable reading
  • Nonvolatile memory holds up to 50 data points
  • AC power adapter or four AA batteries (sold separately)



Thermo Scientific Orion Star A123 portable dissolved oxygen and temperature meter combines simplicity with accuracy. Large informative display shows readings, battery life, electrode statues, meter mode, power source and more. Features include automatic temperature, salinity and barometric pressure compensation. Simple button layout and onscreen messages help with calibration and setup menu choices.

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