Measurement and Control Products for WEATHER Measurement and Control Products for WATER Measurement and Control Products for ENERGY Measurement and Control Products for MACHINES Measurement and Control Products for STRUCTURES Measurement and Control Products for EARTH
Accurate, Rugged
Several sensors in one probe
 
 
 
 
 
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The OBS-3A combines our OBS probe with pressure, temperature, and conductivity sensors in a battery-powered recording instrument. Batteries and electronics are contained in a housing capable of operating at depths of up to 300 meters—depending on the pressure sensor installed. (OBS® is a registered trademark of Campbell Scientific.)

Benefits and Features

  • Measures turbidity with patented, field-proven OBS technology
  • Runs up to 8,000 hours on three D-cell batteries
  • Monitors sediment concentrations up to 5,000 mg/l and turbidity up to 4,000 NTUs
  • Logs depth, wave height, wave period, temperature, and salinity
  • Offers an optional five-point sedimentation calibration for better measurements (see Ordering Info)

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