10 Best Optical Refractometers Of 2022 – Review And Buying Guide

Finding the best optical refractometers that will meet all your needs can be a bit of a challenge, even for the most seasoned expert. While many companies still create good optical refractometerss, the market has turned its attention toward advanced models that carry higher price points.

In our quest to find the most suitable models, we focused on features like comfort, adjustability, and durability. We recommend you take a close look at each product we listed here and see the features you need for your personal use.

Keep reading to learn more…

Top 10 optical refractometers : Editor’s Pick

10 Best optical refractometers Reviews:

1. Auto Refractor Refractometer with Keratometer Optical Optometry Machine

Features :

  • 7” TFT LCD Monitor Touch Screen,Auto refractometer with keratometer,Build-in high speed thermal printer
  • Tilt Scree Function:0-85 degree tilt screen,allows wide variance of access whether the operator is sitting or standing
  • Faster and more accurate measurement: measurement time is reduced half compare with a conventional Auto Refractometer
  • Measurement minimun pupil diameter -2.0mm:pupils of patient all over the world can be measured easily
  • Selectable functions mode: you can select and change diopter steps, vertex distance,cylinder mode, measuring mode, shop name ,date and time,The data measured can be used for different modes of STEP,VD and CYL.

Additional Info :

2. DLH Seawater Refractometer 0-10% 1.000-1.070SG Optical Salinity Meter Salometer for Seawater Marine Aquaculture Food Salt Tester

Features :

  • [It’s easy to use]The user manual will show you the details about how to use the instrument exactly, it very easy to use even for new users.

  • [Dual Scale Specific Gravity and PPT] With this refractometer you can get the result in two different units at the same time in just one test.

  • [ATC Function&Need no battery] This refractometer is equipped with automatic temperature compensation function, minimize the impact of temperature on accuracy.

  • [Durable& Portable] Salinity Meter is made of aluminum body and ABS rubber outside, resistant to abrasion and corrosion. Plastic box and sponge covered to make the refractometer safe.

  • [Salinity Refractometer] Measuring salt water or salinity of water, ideal for fish tank, aquarium, marine monitoring, seafood water tank, salty pools & spas and etc.

Additional Info :

3. Optical Salinity Liquor Refractometer Hand‑Held Food Brine Sampling Salt Content Meter Optical Salinometer 0‑28% Range for Beer Wine Brewing

Features :

  • 0‑28%–The measuring range is 0‑28%, and the accuracy is 0.20%. It is easy to read and suitable for measuring the salinity of liquids.
  • With focus adjustment wheel–Professional salinity measuring instrument, it is a portable precise optical instrument, with focus adjustment wheel, easy to measure.
  • Non‑slip rubber sleeves–The salinity refractometer uses high‑quality prisms, high‑definition eyepieces, non‑slip rubber sleeves, durable and corrosion‑resistant.
  • Easy to operate and use–It has a wide range of applications and can be used for sampling various different reagents and is easy to operate and use.
  • Wide application–Small size and portable, suitable for aquariums, ocean monitoring, agriculture, gardening, salty pools, spas, fish‑keeping, etc.

Additional Info :

Item Dimensions
Height 0.393700787
Width 0.393700787
Length 0.393700787
Weight 0.63272669194

4. Alcohol Refractometer with ATC 0~80% VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Making Homebrew

Features :

  • MEASURING RANGE : 0-80% v/v (Volume Percentage) DIVISION: 1% (0-60%), 2% (60-80%)
  • Designed for the measurement of distilled beverages (ethanol with water). Whiskey, brandy, fruit brandy, slivovitz, vodka, gin, tequila, for example.
  • Auto Temperature Compensation (ATC), rest easy that your measurements are always accurate regardless of temperature variation
  • Adjustable focus, clear, large and easy-to-read measurements and Approved by strict quality and safety standards
  • Cushioned w/ soft and comfortable non-slip rubberized grip, insulate test solution from body heat

Additional Info :

Color 0-80%
Item Dimensions
Weight 0.46

5. Alcohol Refractometer for Spirit Alcohol Volume Percent Measurement with Automatic Temperature Compensation (ATC), Range 0-80% v/v.

Features :

  • It is designed for testing Spirit Alcohol Volume Percent, ideal for Brandy, Whisky, Vodka etc. Not recommend for wine or others which contains much sugar and other ingredients.
  • It is a portable optical instrument for Bartender, Alcohol Retailer and Food Producing etc.
  • The scale range is 0 – 80 %V/V (V/V – alcohol volume percent), division: 1 %v/v.
  • Features automatic temperature compensation: makes it even easier to get fast results.
  • Instant Reading Result: Just need 2-3 drops of solution and a few seconds, you can get accurate readings.

Additional Info :

Color Black
Item Dimensions
Height 3
Width 2
Length 8
Weight 0.5070632026

6. Aichose 0-80% Brix Meter Refractometer for Measuring Sugar Content in Fruit, Honey, Maple Syrup and Other Sugary Drink, with Automatic Temperature Compensation Function

Features :

  • It is designed for measuring sugar content in fruit, honey, maple syrup and other sugary drink.
  • It is portable and needs no battery, it is easy to learn and use even for new user.
  • Automatic temperature compensation function minimizes the effect of the temperature on testing result.
  • It’s 0-80% large scale range makes it be suitable in wider field.
  • Includes: a firm plastic case, a refractometer ,a cleaning cloth, a screw driver, an operating instructions, some pipettes.

Additional Info :

Color Blue-black

7. Antifreeze Refractometer – 3-in-1 coolant Tester for Checking Freezing Point, Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant and Battery Acid Condition

Features :

  • Function 1: Measuring freezing point temperture of ethylene glycol or propylene glycol based automobile antifreeze coolant. Scale range: ethylene glycol base: -84°F-32°F, propylene glycol based -60°F-32°F
  • Function 2: Measuring concentration of ethylene glycol or propylene glycol based automobile antifreeze coolant. Scale Range: ethylene glycol base: 0-70% propylene glycol based 0-63%
  • Function 3:Measuring specific gravity of battery acid and provide a quick reference of battery charge condition. Scale Range:1.100~1.400kg
  • ADVANCED AUTOMATIC TEMPERATURE COMPENSATION(ATC)TECHNOLOGY: Adjust Automatically to Compensate for Temperature, Which makes it even easier to get fast results.
  • PORTABLE ANTIFREEZE REFRACTOMETER: Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry around

Additional Info :

Color Black

8. 0-90% Digital Brix Refractometer, Sugar Content Hydrometer Automatic Temperature Compensation Maple Syrup Sugar Measurement Machine

Features :

  • Easy to Use : The sugar content is small in refractive index, light in weight, and packed in a plastic box, which is easy to store and carry, and is very convenient to use.
  • Automatic Temperature compensation : The refractometer has an automatic temperature compensation function. The temperature is 10℃~30℃ (50℉~86℉) to minimize the influence of temperature on the test results.
  • Durable : The wine measuring instrument is made of high-quality materials and is portable, does not need to install batteries, is sturdy and durable, and can be used for a long time.
  • Multi-purpose : Brix meter refractometer is widely used in daily life, mainly used to measure the sugar content in fruits, honey, maple syrup and other sugary beverages, simple and convenient.
  • Quality Assurance: The sugar content meter has undergone strict quality control and testing, and the quality is guaranteed. You can use it with confidence.

Additional Info :

Item Dimensions
Height 0
Width 0
Length 0
Weight 0.5070632026

9. Ade Advanced Optics Beer Wort and Wine Refractometer Double Scale 1.000-1.120 S.G + Brix 0-32%

Features :

  • Ade Advanced Optics dual range refractometer measures the brix and specific gravity of your wort or wine
  • Measures brix: 0-32 percent and specific gravity: 1.000-1.120
  • Features atc (automatic temperature compensation) for accurate readings
  • Aircraft aluminum body, premium optical lens, rubber eye guard
  • A refractometer is easier and more accurate than a hydrometer for measuring sugars

Additional Info :

Item Dimensions
Weight 0.04375

10. TRZ 4-in-1 Antifreeze Refractometer Ethylene Glycol, Propylene Glycol in Antifreeze Freezing Point Temperature and Concentration, AdBlue, DEF and Industrial Battery Fluid

Features :

  • The models have only one unit system: °F. With the indication of the percentage we may know the freezing point of either ethylene glycol or propylene glycol based cooling systems. And they can also be used to test the concentration of ethylene glycol or propylene glycol in antifreeze Fluids.
  • Ethylene Glycol: -84°F-32°F 0-70% VOL
  • Propylene Glycol: -60°F-32°F 0-63% VOL
  • AdBlue: urea concentration 30% – 35%
  • Battery SG: 1.100-1.400sg

Additional Info :

Color black
Item Dimensions
Weight 0.3527396192

Buying Guide: What to Consider When Select optical refractometers


How much should you expect to spend on a product like this? Is it a one-off cost, or is there some kind of recurring element?

When it comes to optical refractometers, a great value can come in many different forms. It could be a lower price, impeccable construction, and design, or higher durability. We’ll cover all of these different factors below, where we’re sharing our top picks for the best optical refractometers for the money. We’ll go over everything consumers should know to get a great value out of their optical refractometers!


The phrase “people get what they pay for” is especially true when it comes to optical refractometers. The range in durability from person to person can be pretty substantial depending on the materials used in the construction. If someone saves $100 on a optical refractometers, but it wears out in 1 month, are they really getting a good value?

Compare that to a optical refractometers that costs $50 more but wears out after 1 or 2 years. Most people would argue that the second option is the better deal over the long term. Before purchasing, you should consider how long you want to have the optical refractometers and then read reviews to make sure you know how long you can expect it to last.

Consider Where You Purchase 


A vast majority of people now buy their optical refractometers online rather than going to a brick-and-mortar physical location. That’s largely because online shopping offers greater convenience, and many brick-and-mortar stores can be confusing when it comes to their models, pricing, and types.

While people can’t try out an online optical refractometers the way they can in a store, brands often come with generous trials. These allow people to try out the optical refractometers for a while and return it if they’re unhappy.

In addition, many online optical refractometers are more affordable than their in-store counterparts, because they have less overhead and have cut out the middlemen to pass savings directly to the consumer. If you purchase online, make sure to check to see if they will have to pay extra for shipping or not. A lot of the new companies offer free shipping, but not all.

Types of optical refractometers

Before even thinking about all the different optical refractometers available,  You should choose the product types that will be ideal for your task.


Choosing a product based on a design that people will love can be tough. Just because you might like the look and style of it, doesn’t mean it’s the best. Below are some steps you can follow that I’ve used in the past when making decisions on which product designs to choose. Today, a lot of e-commerce sites have the same products. Naturally, it means people use product photos and videos to find the best item. Some of the tips in this article will help you choose or design a successful product.

  • Dimensions. How big are these products?
  • Materials. What are they made from? Is there an advantage to choosing one material over another?
  • Generic characteristics. What sort of features do products in this category include?
  • Product-specific functionality. Do certain products have key characteristics that others don’t? 
  • “Vs.” comparisons. Wireless or wired? Portable or desktop? Metal or wood? These are the key A/B-style decisions typically made early in the buying process.

The Verdict

Finally, we hope that our reviews about these optical refractometerss will help you to choose your ideal product available on the maker. The question remains, how many of these optical refractometers will you use and how often? Some manufacturers come out with newer optical refractometers every few months. This is because they know that people want the better optical refractometers. It’s all a matter of choice and your budget. The good news is that the features of good optical refractometers tend to trickle down in price. If you start off with a cheaper version, chances are you can afford the more advanced versions of it a few months later.