Best Difluid in 2026

Accurate: Test range 0-32%; precision ±0.1%; resolution 0.05%

Power Efficient and Tiny: Fully charged in 1 hour, for up to 30 days of standard use, all in a tiny package that fits in even the smallest of pockets.

Save & Share Data: Link to DiFluid APP to save and share test data.

Multifunctional Design: Unlike traditional refractometers, with DiFluid digital refractometer you can measure the sugar content of fruits, juices and liquids, and salinity, brewing, urea, easier and faster.

High Precision: Our sugar brix refractometer delivers high precision measurements within seconds, featuring test range of 55%, precision +/- 0.01%, and resolution of +/-0.05%.

Digital OLED Display: DiFluid refractometer features a large OLED display that ensures easy-reading but also indicates other useful information such as brix levels, battery level, temperature or refraction index.

High Precision: Range: 0-30% TDS, Precision: ±0.02% TDS, Resolution 0.01%, Accuracy: ±0.03% TDS.

Multi-Test Modes: With 3 separate testing modes: Standard test, Multi-test and Auto-test, R2 extract is more capable than ever.

DiFluid Café APP: Share recipes & data & insights, while you enjoy coffee, share the brew data for others to build from. Help the community improve together.

Guided Brewing with Detailed Results: Follow the guided brewing system, while DiFluid Cafe tracks your progress. In the end, you'll be able to see exactly how well you did, and what you can do to improve.

R2 Extract (refractometer): A pro-grade coffee concentration meter. With 3 separate testing modes: Standard test, Multi-test and Auto-test, R2 extract is more capable than ever.

Microbalance (scale): An extremely precise smart coffee scale. It is designed specifically for brewing coffee, with a series of functions including weighing, timing, calculating, recording and networking.

High Precision: Min weight: 0.2g / Max weight: 2000g, resolution: 0g-1000g: 0.1g / 1000g-2000g: 1g.

Flow Monitoring: DiFluid Café displays microbalance's data in a clean, an easy to read chart including flow rate, time and weight. Tracking brews is easy with DiFluid digital coffee scale.

Auto-Timing: With automatic timing function, the coffee weighing scale makes making and brewing coffee easier and more convenient and easier. Suitable for pour-over coffee, espresso and other scenarios.

Multifunctional Design: Unlike traditional refractometers, with the DiFluid brix refractometer you can measure the sugar content, test the salinity or measure the TDS level of your fruits, juices, liquids easier and faster.

Highly Accurate Measurement: Our brix refractometer delivers high precision measurements within seconds, featuring a range of 95%, precision +/- 0.01%, and resolution of +/-0.05%.

Easy to Read: This fluid refractometer features a large OLED display that ensures easy reading but also indicates other useful information such as battery level, temperature, refraction index, brix or TDS levels.

It's designed for checking the quality of honey and other high sugar related liquids.

3-in-1 scale design makes you know three indexes at one time:honey moisture/ brix/ baume.

Measuring Range: Water Content (Moisture) 12-27%, Brix 58-90%, Be' (Baume) 38-43. Division: 0.5% Water, 0.5% Brix, 0.25 Be'(Baume) .

Accurate: Test range 0-32%; precision ±0.1%; resolution 0.05%

Power Efficient and Tiny: Fully charged in 1 hour, for up to 30 days of standard use, all in a tiny package that fits in even the smallest of pockets.

Save & Share Data: Link to DiFluid APP to save and share test data.

DUAL SCALE MEASURE BRIX AND SG AT THE SAME TIME:With the dual scale display,you can simultaneously measure the Brix (0-32%) and Specific Gravity (1.000-1.130) under the accuracy of (Brix Accuracy: +/-0.2% Brix Accuracy: +/-0.2%).No need to switch unit for readings!

ACCURATE READINGS WITH ATC:Handheld Brewing Refractometerr with Automatic Temperature Compensation(ATC),no more worry about the temperature change will influence the reading accuracy.the brix refractometer will account for changes in ambient temperature and automatically compensate accordingly to provides accurate and repeatable measurements.

NO WASTE EASY TO USE:Only takes about 2 drops of brews to get your SG and brix readings.Designed for simple use,No look up table,only 2 steps ,2 drops and even 1 glances to know what your SG/BRIX is!

It's designed for testing the suger content and specific gravity of liquid.

Ideal for Home Brew, Wine making, Agricultural, Gardening & Educational Purposes.

Consistently accurate readings of 0-32% Brix and 1.000-1.120 Specific Gravity.

It's designed for testing the sugar content of grapes and predicting the alcohol degree of wine which would be produced from these grapes.

With this refractometer, you can pick out ideal grapes for making wine easier and quicker.

The extra large scale range of brix 0-40% lends itself to many other uses too. You can use it to test the brix of any liquid.

Range is 0 - 80 % (VOL - alcohol volume percent)

Designed for the measurement of distilled beverages (ethanol with water) like whiskey, brandy, fruit brandy, slivovitz, vodka, gin, tequila etc.

Easy to Calibrate and Use

It is designed for the brix measurement of ferment for brandy, beer worth, sugar solutions, fruit juice or milk beverages.

Ideal for Home Brew, Wine making, Agricultural, Gardening & Educational Purposes.

Brix Range 0-32%, the reading resolution is 0.2 %.Brix Accuracy: +/-0.2%

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.

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/l

RANGE: Serum protein: 0 ~ 12 g/100 ml ; Urine specific gravity: 1.000 ~ 1.050 ; Refractive index: 1.333 ~1.360 RI

DIVISION: Serum protein: 0.2 g/100ml ; Urine specific gravity: 0.005 ; Refractive index: 0.0005 RI

ACCURACY: Serum protein: ±0.2 g/100ml ; Urine specific gravity: ±0.005 ; Refractive index: ±0.0005 RI

Wort Refractometer-- It's designed for testing the suger content and specific gravity of liquid. For the brix measurement of ferment for brandy, beer worth, sugar solutions, fruit juice or milk beverages.

Accurate Reading-- The Brix refractometer can measure brix between 0-32%±0.2% and Specific Gravity between 1.000-1.130, Brix Accuracy: +/-0.2%.

Easy Use-- Automatic Temperature Compensation makes it easier to get fast results. Just need 2-3 drops of solution, you can get accurate readings.

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

1.Hand-held Refractometer, used to measure the density of sugars in the solution, the brix scale range is 0 to 90%.

2.Widely used in Measurement Sugar Content of sugar, food, fruit, beverages Honey etc

3.Hand Held Refractometer with Automatic Temperature Compensation,Automatic Temperature Compensation: 10℃~30℃

Measuring Range: 0~10 %Brix with 0.1% division and ±0.1%Brix accuracy

Measure sugar content of sap from maple tree trees and see how the sugar concentration can vary between trees and even between taps on the same tree.

Measure the total dissolve solids in soup or water-soluble glue

Measuring Range: 0-32% Brix with 0.2% Division and Accuracy of ±0.2% Brix

Measure the Total dissolved solids of Soup or Water-soluble glue

Used for controlling the concentration of various industrial fluids like cutting coolants

For measurement of ethylene and propylene glycol and brake fluid

Scale range: 32 degree f to -60 degree f

Used on transportation vehicles such as cars tractors tanks ships

Salt Salinity Refractometer With ATC - Dual Scale 0% - 10% & 1.0 to 1.070 S.G. Dual Scale Gravity Hydrometer. Designed for the safety transportation purpose, the very 1st open of the product case might be tight. Used for Seawater, Reef Aquarium, Kitchen use etc.

Reading Scale 0-100 ppt : Our optical refractometer has scales ranged from 0 - 100 ppt (0 - 10 %). The reading resolution is 1 ppt. It is designed for the measurement of seawater (marine aquaria) or very low concentrated salt solutions. The second scale is for reading of the salt solution density ranged from 1.000 to 1.070 g/cm3 (resolution 0.001 g/cm3). For Reference of solutions: 1.Fresh water < 0.5 ppt 2.Brackish water -- 0.5 to 30 ppt 3.Seawater -- 30 to 50 ppt 4.Brine -- 50 ppt

Measurement is easy: Place a few drops of the liquid on the optical part of the refractometer, cover the prism, and the liquid will spread more easily over the prism, look throught the eyepiece against the light and you will be able to read the result value on the scale. 10℃~30℃ / 50F ~ 86 F. For temperature beyond this range, please calibrate before use.

EASY & QUICK MEASURING: After calibration, put 2-3 drops on prism, easier and fast to get the accurate readings. Brix refractometer is much easier than using a hydrometer and needs less sample solution. Affordable than a digital brix refractometer and more accurate than hydrometer

MEASURING SUGAR CONTENT: Brix meter scale 0-32% designed for measuring sugar content in fruit, juice and beverage, monitoring ripeness of growing fruits and vegetables as well as for lab research. Easy for you to control the sugar intake in your daily life juice drinking

AUTOMATIC TEMPERATURE COMPENSATION: 0-32% Brix meter with ATC, which can automatically compensated temp when ambient temperature changes, quick and easier to get the readings

Range of Measurement: 0–10% Brix, 0.1% division, and 0.1% Brix accuracy

Analyze the sugar content of maple tree sap to observe how it might differ between trees and even between taps on the same tree.

Total solids in soup or water-soluble glue should be measured.

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.

Hand Held Refractometer with Automatic Temperature Compensation,ATC:10℃~30℃

Portable Sugar Content Tester

0~32% Refractometer, Perfect for Sugar Measurement

Fast, accurate results with digital dual level LCD readout. Easy measurement with just 2-3 drops of sample needed and results less than 2 seconds.

Simple one-point calibration using distilled or deionized water.

Easy to clean, stainless steel sample well with unit rated to IP65 as "dust tight" and protected against water jets.

Measuring Range: -60 ~ 0°C (66.6%~0%) Ethylene Glycol ; -50 ~ 0°C (62.4%~0%) Propylene Glycol ; 1.100 – 1.400kg/l Battery Fluids SG

Division: 5°C (Ethylene & Propylene Glycol) ; 0.01kg/l Battery Fluids SG

Accuracy: ±5°C (Ethylene & Propylene Glycol) ; ±0.01kg/l Battery Fluids SG

Measuring Range: Alcohol: 0-25%VOL / Brix: 0-40%Brix

Features automatic temperature compensation (ATC) and comes with Portable USB LED Ligh

Heavy duty (Durable Aluminum)