Salinity Sensor

Product image for Salinity Sensor

The Salinity Sensor precisely measures the total dissolved salt content of ocean or brackish water.


The Salinity Sensor easily and precisely measures the total dissolved salt content in an aqueous solution. Measure water with a wide variety of salinities, from brackish water to ocean water, and even hyper-saline environments. You can also study how salinity affects buoyancy or monitor salinity values in estuaries where fresh water mixes with ocean water.


  • Range of Salinity Sensor: 0 to 50 ppt (0 to 50,000 ppm)
  • Accuracy using factory calibration: ±3% of full-scale reading
  • Accuracy using custom calibration: ±1% of full-scale reading
  • Response time: 90% of full-scale reading in 10 s.
  • Temperature compensation: automatic from 5 to 35°C
  • Temperature range (can be placed in): 0 to 80°C
  • Cell constant: 10 cm-1
  • Description: dip type, epoxy body, parallel platinum electrodes
  • Dimensions: 12 mm OD and 150 mm length

Download the user manual for full specifications

Experiments and Lab Ideas

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What’s Included

Sensor Requirements

The Salinity Sensor requires a compatible interface and software to collect data. Interface and software sold separately. Getting started with probeware »

Compatible Interfaces

The Salinity Sensor is compatible with these interfaces:

Ordering Information

All prices are for U.S. educators.

    NameOrder CodePriceQuantity
    Salinity SensorSAL-BTA$99
    Optional Accessories
    Salinity StandardSAL-ST$16

    Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications. Product usage disclaimer »

    Order Code SAL-BTA
    U.S. Educator Price $99

    Sample Data

    Measuring salinity in an estuary
    Measuring salinity in an estuary
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