Digital Seawater Refractometer

VEE GEE Scientific's MDX-202 Digital Seawater Refractometer delivers quick, digital accuracy with high-end performance features like automatic temperature compensation (ATC) and continuous loop average readings. This digital refractometer also features IP65/67 ratings making it ideal for use in the field and in a multitude of environments.

This Digital Seawater Refractometer has easy operation with a large digital LCD display that shows all of the needed data on screen. This digital refractometer also yields quick results, simply place 4-5 drops of your sample into the well, close the prism cover, and press the "READ" button... it's that simple!

The 4 scales included in this digital refractometer (salinity, chlorinity, specific gravity, and refractive index) can be used in a wide variety of applications including water/wastewater, aquatic, and aquaculture.

                                                                                                                                    Key Features:

  • Includes 4 scales (salinity, chlorinity, specific gravity, & refractive index)
  • Compact & lightweight
  • Removable grip & prism cover for easy cleaning
  • Continuous loop read features (15 reads)
  • Automatic Temperature Control
  • Zero with distilled water
  • IP67 rating for detecting unit, IP65 for remainder
  • 589.3nm LED
  • Stainless steel prism well
  • ¬įC/¬įF Switchable temperature display
  • 1-Year warranty

                                                                                                                            Package Includes:

  • Digital refractometer (Model MDX-202)
  • Rubber grip & prism cover
  • Hard shell case with protective lining
  • Disposable pipette
  • (1) AAA battery
  • User manual


Scale 1 Type Salinity
Scale 1 Range 0 to 100 ppt
Scale 1 Resolution 1 ppt
Scale 1 Accuracy ¬Ī2 ppt
Scale 2 Type Chlorinity
Scale 2 Range 0 to 57 ppt
Scale 2 Resolution 1 ppt
Scale 2 Accuracy ¬Ī2 ppt
Scale 3 Type Specific Gravity
Scale 3 Range 1.000 to 1.075
Scale 3 Resolution 0.001
Scale 3 Accuracy ¬Ī0.002
Scale 4 Type Refractive Index
Scale 4 Range 1.3330 to 1.4200 nD
Scale 4 Resolution 0.0001 nD
Scale 4 Accuracy ¬Ī0.0003 nD