10 Best Refractometers | March 2017

We spent 21 hours on research, videography, and editing, to review the top picks for this wiki. Aquarium owners, brewers and beekeepers, take your pick. These refractometers will help you measure the salinity and specific gravity of tank water, the specific gravity and sugar content of a brew before fermentation, or the amount of water in honey. Skip to the best refractometer on Amazon.
10 Best Refractometers | March 2017


Overall Rank: 4
Best Mid-Range
★★★★
Overall Rank: 1
Best High-End
★★★★★
Overall Rank: 2
Best Inexpensive
★★★★★
10
The Magnum Media Salinity 10ATC is a good budget choice for those looking to save a couple of bucks, but it's not as durable as some other models, and needs to be calibrated before use to ensure accuracy.
9
The Deepwater Aquatics ATC DW1111 is a necessary tool for any marine aquarist. It allows for 20/20 calibration at room temperature, ensuring accurate readings. It has a fine scale running from 20-40 ppt salinity.
8
Save time and energy by investing in the Ade Advanced Optics 515-B. It precisely measures the sugar content of beer or wine through a simple drop placed on the prism, and it's more accurate than hydrometers.
7
The ergonomically-designed Brew Ur Beer will help you optimize the quality and flavor of your home brew to your satisfaction. If you are ready to step your brewing process up to the next level, it's a smart choice.
  • consistently delivers accurate readings
  • includes a lens cleaning cloth
  • doesn't include an instruction manual
Brand Brew Ur Beer
Model pending
Weight 5.6 ounces
6
The Milwaukee MA887 takes the guesswork out of determining the salinity of natural and artificial seawater. It is suitable for ship, shore or home use, and can be easily wiped clean when you are finished.
  • has a low battery indicator light
  • auto shut off after 3 min. of inactivity
  • hard to calibrate
Brand Milwaukee
Model MA887
Weight 14.4 ounces
5
The Ade Advanced Optics is an easy to use device that measures the sugar content of beer with no conversion needed, as the scale measures both Brix and SG. It's a great addition to any home brewer's tool kit.
  • includes atc of 10 - 30 degree celcius
  • instant reading with a couple drops
  • focus adjustment for easy viewing
Brand Ade Advanced Optics
Model pending
Weight 4.8 ounces
4
The Extech RF40 measures the freeze point of automotive coolants like propylene glycol and ethylene glycol. It can be used in liquids from 32°F to -60°F, and also provides the battery charge condition.
  • includes a vial of distilled water
  • more accurate than a dc volt meter
  • comes with easy to follow instructions
Brand Extech
Model RF40
Weight 14.4 ounces
3
The portable Vee Gee BTX-1 has a convenient streamlined handheld design, so you can keep it handy for quick reference testing. It also features a non-roll design, so it won't roll off the table and get damaged.
  • ambient light illuminates the scale
  • durable metal and rubber outer shell
  • rubber grip protects it from hand heat
Brand Vee Gee Scientific
Model BTX-1
Weight 11.2 ounces
2
The dual-scale Agriculture Solutions accurately measures the concentration of aquarium salinity using specific gravity and parts per thousand testing. All it takes is a couple of drops, and it is very easy to use.
  • automatic temperature compensation
  • includes screwdriver and cleaning cloth
  • replaces hard to read hydrometers
Brand Agriculture Solutions
Model pending
Weight 12 ounces
1
The premium Sper Scientific 300003C is a good choice for testing products with unknown sugar content when you need superior precision. It can be used in labs, production lines, or science classes.
  • no battery or other power source needed
  • come with a certification of calibration
  • includes a hard carrying case
Brand Sper Scientific
Model 300003C
Weight 2 pounds
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Last updated: 03/22/2017 | Authorship Information

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