10 Best Refractometers | December 2016

10 Best Refractometers
Best Mid-Range
Best High-End
Best Inexpensive
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. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best refractometer on Amazon.
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.
  • small enough to fit in a pocket
  • needs a strong light to work
  • testing should be performed indoors
Brand Magnum Media Salinity 1
Model pending
Weight 9.6 ounces
Rating 3.9 / 5.0
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.
  • great for daily use
  • comfortable textured grip handle
  • not as easy to read as digital
Brand Deepwater Aquatics
Model DW1111
Weight 9.6 ounces
Rating 3.8 / 5.0
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.
  • aircraft aluminum body is built to last
  • crystal clear premium optical lens
  • does not work for honey
Brand Ade Advanced Optics
Model RSG32ATC-515
Weight 4.8 ounces
Rating 4.2 / 5.0
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
Rating 3.8 / 5.0
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
Rating 4.5 / 5.0
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
Rating 4.4 / 5.0
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
Rating 3.9 / 5.0
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
Rating 4.6 / 5.0
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
Rating 4.5 / 5.0
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
Rating 5.0 / 5.0

help support our research

Patreonlogoorange psj5g7Wiki ezvid low poly earth xdypeb

Last updated on December 15, 2016 by multiple members of the ezvid wiki editorial staff

Our professional staff of writers and researchers have been creating authoritative product recommendations and reviews since 2011. Many of our wikis require expert maintenance, and are authored by individual members of our editorial staff. However, this wiki is currently maintained by multiple members of the ezvid wiki team.

Thanks for reading the fine print. About the Wiki: We don't accept sponsorships, free goods, samples, promotional products, or other benefits from any of the product brands featured on this page, except in cases where those brands are manufactured by the retailer to which we are linking. For our full ranking methodology, please read about us, linked below. The Wiki is a participant in associate programs from Amazon, Walmart, Ebay, Target, and others, and may earn advertising fees when you use our links to these websites. These fees will not increase your purchase price, which will be the same as any direct visitor to the merchant’s website. If you believe that your product should be included in this review, you may contact us, but we cannot guarantee a response, even if you send us flowers.