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Salinity Refractometer for Seawater Marine Fishkeeping Aquarium 0-100PPT & 1.000-1.070 Salinity Hydrometer Salinity Tester with with Automatic Temperature Compensation (ATC)

Salinity Refractometer for Seawater Marine Fishkeeping Aquarium 0-100PPT & 1.000-1.070 Salinity Hydrometer Salinity Tester with with Automatic Temperature Compensation (ATC)

Regular price $15.99
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  • MEASURES ON 2 SCALES - Aquarium Refractometer features specific gravity (D20/20) 1.000-1.070 and parts per thousand 0~100‰ ( 1‰=1 PPT=1000PPM), allow to get two results in different units by one test
  • WIDELY USE - Salinity Refractometer measures saltwater, salinity of water or seawater, ideal for aquariums, marine monitoring, fish-keeping, and saltwater pools
  • ATC FUNCTION - Saltwater refractometer with automatic temperature compensation (ATC) function, allow you to obtain the accurate result faster and easier
  • EASY TO USE - Put 2-3 drops of sample on the refracotmter’s prism, towards light, read the accurate readings through the optics eyepiece directly
  • DURABLE MATERIAL: The optic salinity tester is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion. Portable Refractometer comes with plastic case, mini screwdriver,a dropper and a cleaning cloth

Product Description

Salinity Refractometer for Aquarium Seawater Marine Fishkeeping Dual Scale 0-100 PPT& 1.000-1.070 with ATC

The salinity refractometer is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion, sturdy for long time use. Portable refractometer with plastic case easy to carry

Seawater refractometers with premium optics and smooth focusing. The internal optical lens with high refractive index ensure the precision optical system so we can get the accuracy measured results and view the scale clearly.

The refractometer series are baseed on the princple that the refractive indices of liquids change when the concetration change, which allow you easy to do test without batteries requiered, more accuracy then traditional hydromometer and more affordable than a digital salinity meter

Product Features

ATC Function

Saltwater refractometer with ATC function, can automatic compensate for changes in ambient temperature, and minimize the impact of temperature on accuracy.

Clearly Eyepiece

This salinity meter features clearly lens and smooth adjustable focus, easy to read the clearly readings by manipulating the eyepiece

Adjustable Visual

This salinity tester features clearly lens and smooth focusing, which allow you see the clearly scales easily.


Average Salinity of Sea Water

Research data shows that the average salinity of sea water is about 35‰ and most sea water's salnitiy is bettwen 30‰~35‰. However, each seas has different salinity, such as the salinity of Dead Sea is high as 227‰~281‰, the salinity of the Red Sea reaches as high as 42.8‰ in some areas, but the Baltic Sea is as low as 10‰

  • This salinity refractometer is great for measuring sea water or checking salinity solution concentration.

Dual Scale Aquarium Refractometer

The Scale Range

  • Specific Gravity and PPT

With this salt refractometer, you can get the accurat results in two different units at the same time at just one test.

  • The Scale Range

Saline Refractometer provides readings of 0-100‰ and corresponding specific gravity 1.000 to 1.070 . These are the most common units to show salinity of water.

1‰=1 PPT=1000PPM, PPT means"parts per thousand", PPM means"parts per million"

  • The minimum scale reading resolution is 1 ‰, allows to measure low concentrated salt solutions.
  • Accuracy: ±0.2%, automatic temperature compensation (ATC): 0-10°C Reference Temperature: 20°C

Wide Application

For Aquariums Water Monitoring

Perfect for aquariums or marine fishkeeping amateurs, cause they can make the salinity of water similar to the sea water and easy to monitoring daily.

For Marine Monitoring

Most sea water's salinity is about 30‰~35‰. So this Brine refractometer is ideal for simple marine monitoring, marine aquaculture and research.

For Fish Tank saltwater Measuring

Use this salinity refractometer to test the salt water of your fish tank at home. It also can be used to measure concentration of brine solution at food preparation.

For Lab Education or Indurstry Purposes

Ideal for lab use, lab educational tool in shoocl and industry use for testing salinity solution in the range of 0~100‰.

Easy to Use

  • Calibration: Place 2-3 drops of distilled water or fresh water on the prism to check the scale ( when you see it at "0" level, it means refractometer already calibarated. If not, please use the screwdriver to calibarate it to "0")
  • Measuring:
  1. Place a few drops of solutions you want to test on the prism
  2. Look into the eyepiece, and you will get the accurate reading quickly.
  • No batteries required
  • User manual is easy to read
  • The manual has more details about how to use the instrument exactly, and also very easy to use for new users.

Why choose Optical Refractometer?

The Optical Refractometer is simple to use, reliable accuracy and not expensive.

  • Digital refractometers are usually very expensive, but the accuracy is not much better.
  • Traditional hydrometers are really complex to use and the results usually big deviation.

Accurate Refractometer

Affordable Salinity Meter

Package Inlcudes:

  • a salinity refractometer
  • a mini screwdriver
  • a plastic pipette
  • a manual
  • a plastic storage box
  • a cleaning cloth (random color)
  • Please note: Ensure the refractometer clean and keep it at dry place
  • Wipe the residual saltwater after use and keep the refractometer clean and neat after use
  • If you meet any question about the saltwater refractometer when you received it and please don't hesitate to contact, we will solve your problem with 24 hours
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No Battery Required
Automatic Temperature Compensation

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