Refractometers - Page 4 - Blowout Sale! Save up to 66%


Blowout Sale! Up to 66% off on Refractometers at Dupen Labs, Page 4. Top brands include Gain Express, Sper Scientific, TekcoPlus, Yosoo, aichose, Smarthome SH, Goodes, Ade Advanced Optics, WMicro, RISEPRO, Vee Gee Scientific, NOKOJKZ, & Thexton. Hurry! Limited time offers. Offers valid only while supplies last.



0-18% Brix Refractometer ATC, Low-Concentrated Sugar Content Solutions, Synthetic Machining Coolants Maple Sap Cutting Liquid CNC Maple Syrup Makers Tea
0-18% Brix Refractometer ATC, Low-Concentrated Sugar Content Solutions, Synthetic Machining Coolants Maple Sap Cutting Liquid CNC Maple Syrup Makers Tea
By Gain Express
In Stock
$16.90

mpn: RHB-18ATC, ean: 0701936210906,

4.0 out of 5 stars with 125 reviews
Brix refractometers are specially designed to work with sugar related liquids like low sugar fruits and vegetables juice, maple sap or for synthetic or semi-synthetic coolants (for machining and grinding coolants) soft drinks & wine as well as high brix content solution like that of honey. Practical for people involved with food harvesting, processing and packing. With this device you can easily check **Monitor specific percentage of sugar concentration in food and beverages. **Can easily


Sper Scientific 300006 Salt Refractometer, Brix: 0 ~ 28%
Sper Scientific 300006 Salt Refractometer, Brix: 0 ~ 28%
By Sper Scientific
In Stock
$61.00
$55.68
You Save: 9%

mpn: 300006, ean: 0816366020183,

4.0 out of 5 stars with 138 reviews
Salt Refractometer 0 ~ 28% Measures salt content in sea water, pickling-brines and other applications. While the scale is calibrated for sodium chloride, it can also be used for calcium chloride, barium cobalt, magnesium, cesium, potassium, sodium chloride, cupric sulfate, potassium iodide, citric acid, acetic acid and (vinegar).Place a drop or two of a sample on the prism and read the results. Sper Scientific portable refractometers work in ambient light with no battery or other power source


Optics 58-90% Percent Brix Honey Refractometer tester meter with Extra Cover Built-in Calibration Knob 
Optics 58-90% Percent Brix Honey Refractometer tester meter with Extra Cover Built-in Calibration Knob 
By TekcoPlus
In Stock
$36.75
$34.99
You Save: 5%

mpn: unknown, ean: 0713072681823,

4.6 out of 5 stars with 52 reviews
Measures, monitor & control percentage of dissolved sucrose in water, water content & baume in liquids, honey, fruit & vegetables. If you grow your own fruit & vegetables or keep your own bees & produce jams, honey, Marmalade, wines or fruit juices, Soft drinks, this Brix refractometer gives you information needed to ensure end products' quality - all the way through the process of (1) Check the ripeness of fruit whilst it's growing (2) Verify the quality after picking or harvesting ad (3)


ATC Glycol Fluids Refractometer Auto Car Vehicle Fluids Antifreeze Battery Acid Engine Coolant Tester Tool
ATC Glycol Fluids Refractometer Auto Car Vehicle Fluids Antifreeze Battery Acid Engine Coolant Tester Tool
By Yosoo
In Stock
$24.99
$18.29
You Save: 27%

mpn: yosoo-817-1, ean: 0764880467994,

4.5 out of 5 stars with 90 reviews
Specifications: Type: Refractometer Model: RHA-503ATC Weight: 230g Reference Temperature: 20°C Measuring Range ● Ethylene Glycol: -50°C-0°C ● Propylene Glycol: -50°C-0°C ● Cleaning Fluids: -40°C-0°C ● Battery Fluids: 1.100-1.400sg Resolution Factor ● Ethylene Glycol: 5°C ● Propylene Glycol: 5°C ●Cleaning Fluids: 10°C ● Battery Fluids: 0.01sg Features: * Decorated with soft and comfortable anti-slip rubber. * Small size and light weight, makes it a portable


Aquarium Salinity Refractometer with ATC Function,Saltwater Test Kit for Seawater, Pool, Aquarium, Fish Tank.Dual Scale: Specific Gravity & Salt Percent
Aquarium Salinity Refractometer with ATC Function,Saltwater Test Kit for Seawater, Pool, Aquarium, Fish Tank.Dual Scale: Specific Gravity & Salt Percent
By aichose
In Stock
$18.99

mpn: SR0013-ATC, ean: 0603097377590,

4.2 out of 5 stars with 134 reviews
This refractometer is a portable, precision optical instrument. It's a convenient tool for the measurement of seawater (marine aquaria) or very low concentrated salt solutions. No battery needed. It features high-quality optics with ultra smooth focusing. Its main body is made of aluminum alloy. The internal optical lens with high refractive index make up the precision optical system. Dual scale:One is specific gravity, range: 1.000-1.070 g/cm3, resolution: 0.001 g/cm3. Another is salt percent,


Brix Refractometer for Homebrew Beer Wort, Smarthome SH Dual Scale Automatic Temperature Compensation 0-32% Specific Gravity Hydrometer with ATC
Brix Refractometer for Homebrew Beer Wort, Smarthome SH Dual Scale Automatic Temperature Compensation 0-32% Specific Gravity Hydrometer with ATC
By Smarthome SH
In Stock
$29.99
$15.99
You Save: 47%

mpn: unknown, ean: 0689771725239,

4.3 out of 5 stars with 126 reviews
Smarthome SH Dual Scale Brix Refractometer with ATC - the Best Refractometer for Home Brewing, Wine or Beer Making This refractometer is for measuring the sugar content of beer and includes an automatic temperature compensation of 10 - 30 degree Celsius. This refractometer can replace your hydrometer for easier and more accurate measurements. Simply use the dropper to take a sample of wort and put it on the prism. Then hold the refractometer up to the light and look through the eyepiece. Due


Brix Refractometer - Goodes Digital Handheld Refractometer with ATC for Beer Wine Fruit Sugar, Dual Scale-Specific Gravity 1.000-1.130 and Brix 0-32%(Black)
Brix Refractometer - Goodes Digital Handheld Refractometer with ATC for Beer Wine Fruit Sugar, Dual Scale-Specific Gravity 1.000-1.130 and Brix 0-32%(Black)
By Goodes
In Stock
$60.99
$20.99
You Save: 66%

mpn: GES-TL002-BK, ean: 0611040325369,

4.1 out of 5 stars with 39 reviews
Goodes Brix Refractometer The Goodes Brix  refractometer can help you quickly, easily and scientifically know the natural sugar levels of fermented brews, fruit and vegetables. The higher the Brix reading, generally the better the taste and the higher the mineral content. It helps you track the progress of the fermentation process and determine the best time to pick fruit and vegetables for best taste and nutrition. Our refractometer makes it super fast and easy. Just read the result directly


Ade Advanced Optics RHB-32ATC-LED Illuminated Automatic Temperature Compensation 0-32% Brix Refractometer with Built-in LED for Beer Wine CNC Fruit, Black
Ade Advanced Optics RHB-32ATC-LED Illuminated Automatic Temperature Compensation 0-32% Brix Refractometer with Built-in LED for Beer Wine CNC Fruit, Black
By Ade Advanced Optics
In Stock
$21.99

mpn: RHB-32ATC-LED, ean: 0710500199233,

4.3 out of 5 stars with 104 reviews
This unit is great for the testing of Fruits, Vegetables and Grasses, Wine or Beer makers and for the maintenance of CNC Coolants (Soluble Oils, Semi-Synthetics, Neo-Synthetics and Synthetics) and Water Soluble Drawing & Stamping Compounds. Fruits, Vegetables and Grasses: This unit will help you monitor the sugar levels of your crops, plants and trees. A valuable tool to help determine if it's the right time for harvest or you need to alter your plant food. Take this item with you to your local


Automatic Temperature Compensation 0-32% Brix Refractometer Beer Wine CNC Fruit by Ade Advanced Optics
Automatic Temperature Compensation 0-32% Brix Refractometer Beer Wine CNC Fruit by Ade Advanced Optics
By Ade Advanced Optics
In Stock
$23.55
$20.99
You Save: 11%

mpn: AAORHB-32ATC, ean: 0704405061351,

4.5 out of 5 stars with 78 reviews
BRAND NEW (0-32% Brix scale) Hand Held Refractometer. This unit is great for the testing of Fruits, Vegetables and Grasses, Wine or Beer makers and for the maintenance of CNC Coolants (Soluble Oils, Semi-Synthetics, Neo-Synthetics and Synthetics) and Water Soluble Drawing & Stamping Compounds. Fruits, Vegetables and Grasses: This unit will help you monitor the sugar levels of your crops, plants and trees. A valuable tool to help determine if it's the right time for harvest or you need to alter


RHW-25Brix Dual-scale Grape & Alcohol Refractometer Measuring Range:0-25%Vol,0-40%Brix
RHW-25Brix Dual-scale Grape & Alcohol Refractometer Measuring Range:0-25%Vol,0-40%Brix
By WMicro
In Stock
$28.09

mpn: QG0018301-2, ean: 6956674142956,

4.2 out of 5 stars with 64 reviews
Description: - Grape & Alcohol Refractometer is mainly designed to test the sugar content in original grape juice and alcohol-content by volume of the grape wine made from the fermented grape juice and sugar concentration in the grapes. - It's dual-scale provides you the direct reading of the alcohol as well as brix measurements. - It's FULLY EQUIPPED with ATC(Automatic Temperature Compensation) that automatically adjust itself to correct temperature discrepancies during use. Capable of


Ade Advanced Optics Refractive Index Liquid =1.80 for Gem Refractometer, Oil, Fluid, Test, Gemstone
Ade Advanced Optics Refractive Index Liquid =1.80 for Gem Refractometer, Oil, Fluid, Test, Gemstone
By Ade Advanced Optics
In Stock
$25.76
$20.99
You Save: 19%

mpn: foil, ean: 0704405061412,

4.1 out of 5 stars with 119 reviews
This is a dark colored vial containing about 10 grams of Refractive Index Fluid for use with any gem refractometer. Contained in an amber glass vial, with an applicator in the lid to allow application of a tiny amount.Refractive Index Liquid =1.80 for Gem Refractometer, Oil, Fluid, Test, Gemstone. Comparable to more expensive chemicals, this one is economical.. 1.80 Certified Refractive Index Liquid for Refractometer. Large Bottle.


Ade Advanced Optics Tri-Scale Clinical Refractometer-Urine Specific Gravity, Urine Refractive Index and Blood Serum Protein - Veterinarian
Ade Advanced Optics Tri-Scale Clinical Refractometer-Urine Specific Gravity, Urine Refractive Index and Blood Serum Protein - Veterinarian
By Ade Advanced Optics
In Stock
$22.98
$21.99
You Save: 4%

mpn: unknown, ean: 0717029486370,

4.1 out of 5 stars with 128 reviews
Blood Serum Protein: 0-12g/dl, Urine Specific Gravity: 1.000-1.050sg, Urine Refractive Index: 1.330RI-1.360RI Ade Advanced Optics Clinical refractometer is specially designed for clinical usage and also intended for Veterinary. It provides veterinarians and clinicians with quick and accurate indication of vital fluid's levels. The 3-in-1 scale design measures Urine Specific Gravity (SG), Total Serum Protein (SP) and Refractive Index (RI) in the same time. Features Sturdy and light weighted


Brix Refractometer with ATC, Dual Scale - Specific Gravity & Brix, Hydrometer in Wine Making and Beer Brewing, Homebrew Kit
Brix Refractometer with ATC, Dual Scale - Specific Gravity & Brix, Hydrometer in Wine Making and Beer Brewing, Homebrew Kit
By aichose
In Stock
$18.00

mpn: SR0014-ATC, ean: 0603097377606,

4.1 out of 5 stars with 137 reviews
Why you must have it? 1.Take full control of your home brew with this Brix Refractometer by testing brix and Specific Gravity at any point during the process to optimize the quality and flavor to your satisfaction. Our refractometer will make you more efficient at making homemade beer, wines, fruit juices and other homemade beverages by substituting the traditional hydrometer with the Handheld Brix Refractometer.2.The build-in Automatic Temperature Compensation feature makes it possiable to get


RISEPRO Salinity Refractometer, Aquarium and Salty Sea Water Pool Dual Scale Hydrometer 0-100ppt & 1.000-1.070 Salinity Specific Gravity Marine Fishkeeping ATC RHS-10ATC
RISEPRO Salinity Refractometer, Aquarium and Salty Sea Water Pool Dual Scale Hydrometer 0-100ppt & 1.000-1.070 Salinity Specific Gravity Marine Fishkeeping ATC RHS-10ATC
By RISEPRO
In Stock
$16.90

mpn: RHS-10ATC, ean: 0712201954272,

4.4 out of 5 stars with 46 reviews
Specifications: Sturdy and light weighted Aluminum body with high quality finish Salinity Test Range : 0 ~ 100 ppt (parts per thousand) with resolution 1ppt Specific Gravity (D 20/20) : 1.000 ~ 1.070 with resolution 0.001 Accuracy : Salinity : +/- 1ppt (0.10%) ; Specific Gravity : +/- 0.001 ATC (Automatic Temperature Compensation System) Traditional version : Using screw driver for calibration One Set Included: 1 x Salinity Refractometer 1 pipette 1 x instruction manual 1 x mini screw driver


Ade Advanced Optics MILK20 Milk Concentration Refractometer Tester 0-20% Scale with Automatic Temperature Compensation
Ade Advanced Optics MILK20 Milk Concentration Refractometer Tester 0-20% Scale with Automatic Temperature Compensation
By Ade Advanced Optics
In Stock
$25.99

mpn: MILK20, ean: 0710500203251,

4.4 out of 5 stars with 145 reviews
Simply use provided pipette to apply couple of Milk drops on the lens, the concentration is instant showing on the eye lens. Easiest Milk concentration Tester on the market.Handheld portable milk refractometer to measure the percentage of milk concentration (0.0 to 20.0%) with a refractive index measurement. Simply use provided pipette to apply couple of milk drops on the lens, the concentration is instant showing on the eye lens. Telescope-shaped. Automatic temperature compensation (atc) for


Vee Gee Scientific BX-10 Handheld Refractometer, with Brix Scale, 0-10%, +/-0.1% Accuracy, 0.10% Resolution
Vee Gee Scientific BX-10 Handheld Refractometer, with Brix Scale, 0-10%, +/-0.1% Accuracy, 0.10% Resolution
By Vee Gee Scientific
In Stock
$90.59
$90.29

mpn: BX-10,

4.4 out of 5 stars with 125 reviews
The VEE GEE BX-10 is a handheld, portable, water-resistant sugar refractometer with a Brix scale that measures in the 0.0 to 10.0% range, is powered by ambient light, has manual temperature compensation, an optical glass prism, and a durable metal body with rubber grip. A Brix refractometer measures the refractive index of a solution in a sample, converts it to sugar concentration in units of percent by weight (% Brix, also known as degrees Brix), and displays the results. Handheld


NOKOJKZ Professional Automatic Temperature Compensation Salinity Refractometer for Aquariums, Marine Monitoring, Saltwater Testing
NOKOJKZ Professional Automatic Temperature Compensation Salinity Refractometer for Aquariums, Marine Monitoring, Saltwater Testing
By NOKOJKZ
In Stock
$14.80

ean: 0765951328381,

4.4 out of 5 stars with 129 reviews
 PRODUCT FEATURES: (1)Durable and built to last long (2)Uses ambient light only which means battery or power source is not required (3)Heavy-duty and lightweight with its aluminum construction (4)Easy to focus and calibrate (5)Accurate testing results guaranteed (6)Made with the highest and finest quality of aluminum & rubber that makes it lightweight (7)Cushioned with soft & comfortable non-slip rubber (8)Extremely easy-to-use and calibrate Where can use: Fish Aquarium, Fish Breeding


Thexton THE105 Professional Refractometer
Thexton THE105 Professional Refractometer
By Thexton
In Stock
$56.26
$53.98
You Save: 4%

mpn: THE105, ean: 0008721001054,

4.4 out of 5 stars with 103 reviews
The DEF-CHEK is designed to test the urea concentration of diesel exhaust fluid.  Professional disc-type 16-1/4 inch tester is accurate at all temperatures.  Easy to read discs are magnified by convex design of the clear SAN plastic barrel. One-piece bulb and neoprene dip tube.Includes small screwdriver, eye dropper and padded case. Has calibration adjustments. Has adjustable focus for the most accurate reading.


Refractometer, RISEPRO Alcohol Refractometer for Spirit Alcohol Volume Percent Measurement with Automatic Temperature Compensation (ATC), Range 0-80% v/v RZ-116
Refractometer, RISEPRO Alcohol Refractometer for Spirit Alcohol Volume Percent Measurement with Automatic Temperature Compensation (ATC), Range 0-80% v/v RZ-116
By RISEPRO
In Stock
$16.90

mpn: 43217-5159, ean: 0602860874809,

4.7 out of 5 stars with 18 reviews
SPECIFICATIONS: Scale Range: 0~80% Resolution: 1% Reference temperature 20°C Automatic Temperature Compensation (ATC: 10~30°C) Focus possibility Item Weight: 3.9 ounces Length: 200mm One Set Included 1 x 0-80% v/v Alcohol Refractometer 1 x pipette 1 x instruction manual 1 x mini screw driver 1 x soft cleaning cloth Premium plastic storage case with inner protective sponge trayWIDE APPLICATIONS - This refractometer determines the alcohol content of distillates without sugar. It


Vee Gee Scientific BX-50 Handheld Refractometer, with Brix Scale, 0-50%, +/-0.5% Accuracy, 0.50% Resolution
Vee Gee Scientific BX-50 Handheld Refractometer, with Brix Scale, 0-50%, +/-0.5% Accuracy, 0.50% Resolution
By Vee Gee Scientific
In Stock
$90.04
$88.83
You Save: 1%

mpn: BX-50,

4.9 out of 5 stars with 77 reviews
The VEE GEE BX-50 is a handheld, portable, water-resistant refractometer with a Brix scale that measures in the 0.0 to 50.0% range, is powered by ambient light, has manual temperature compensation, an optical glass prism, and a durable metal body with rubber grip. A Brix refractometer measures the refractive index of a solution in a sample, converts it to sugar concentration in units of percent by weight (% Brix, also known as degrees Brix), and displays the results. Handheld refractometers,



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