Refractometers - Page 2 - Blowout Sale! Save up to 81%


Blowout Sale! Up to 81% off on Refractometers at Dupen Labs, Page 2. Top brands include Ade Advanced Optics, V-Resourcing, ADE Advanced Optics, Vee Gee Scientific, TekcoPlus, aichose, Red Sea, Agriculture Solutions, RISEPRO, MRbrew, High Key, iTavah, Anpro, & Hamh Optics&Tools. Hurry! Limited time offers. Offers valid only while supplies last.



Ade Advanced Optics RHB-10ATC-1 0-10% ATC BRIX REFRACTOMETER 4 Sap, CNC Coolant
Ade Advanced Optics RHB-10ATC-1 0-10% ATC BRIX REFRACTOMETER 4 Sap, CNC Coolant
By Ade Advanced Optics
In Stock
$150.00
$27.99
You Save: 81%

mpn: RHB-10ATC-1, ean: 0798527500928,

4.2 out of 5 stars with 18 reviews
This is a HIGH QUALITY unit made of Aluminum and not cheap plastic! *Top quality refractometer with 0-32% brix scale for measuring sugar related liquids- fruits and vegetables, fruit juices, wine, beer, soft drinks, jams, jellies, maple syrup One BRAND NEW RHB-10ATC (0-10% Brix scale) Hand Held Refractometer in a blue, foam-lined hard case. This model is handy for the testing of low sugar fruits and vegetables, Reamsian Bodily Fluids (per the Reams Biological Theory of Ionization), Maple Sap or


V-Resourcing Honey Refractometer, Hand Held Be'(Baume)/Brix/Water Refractometer for Honey Test,Tri-Scale (Baume:38-43°;Brix:58-92%;Water:12-27%)
V-Resourcing Honey Refractometer, Hand Held Be'(Baume)/Brix/Water Refractometer for Honey Test,Tri-Scale (Baume:38-43°;Brix:58-92%;Water:12-27%)
By V-Resourcing
In Stock
$35.99
$20.99
You Save: 42%

mpn: 43188-230798, ean: 0671423645897,

4.4 out of 5 stars with 88 reviews
Please note: V-Resourcing is the ONLY Authorized Seller. Unauthorized sellers cannot guarantee or offer warrantees. SPECIFICATIONS:  Measuring Range: --Baume:38-43°; --Brix:58-92%; --Water:12-27%; Accuracy: --Baume:±0.5°; --Brix:±0.5%; --Water:±1%; Automatic Temperature Compensation (ATC: 10~30°C)  Focus possibility Package Weight: 8.00oz Package Size: 8.07*3.29*2.17in Matters Needing Attention: 1. Don't submerge the unit in water. 2. Don't use solvent to clean plastic lens.


V-Resourcing Seawater Salinity Refractometer, Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium, Hydrometer, 0-100ppt & 1.000-1.070 Salinity Specific Gravity
V-Resourcing Seawater Salinity Refractometer, Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium, Hydrometer, 0-100ppt & 1.000-1.070 Salinity Specific Gravity
By V-Resourcing
In Stock
$32.99
$16.99
You Save: 48%

mpn: COMINHKPR127692, ean: 0732840542579,

4.8 out of 5 stars with 147 reviews
Note:V-Resourcing is the ONLY Authorized Seller. Unauthorized sellers cannot guarantee or offer warrantees. Product Overviews: This is Salinity Refractometer that is used to measure the salinity levels of saltwater aquariums and the worlds oceans.This unit comes with Automatic Temperature Compensation or ''ATC''. This feature allows you to get a reading outdoors when the temp is between 50'F-86'' (10'C-30'C). Ideal for aquariums, marine monitoring, Agricultural, Gardening & Educational


Gemological Gemstone Gem Refractometer Built-in Light
Gemological Gemstone Gem Refractometer Built-in Light
By ADE Advanced Optics
In Stock
$89.99
$84.00
You Save: 7%

mpn: Magnum_Media Gem Refractometer,

4.7 out of 5 stars with 150 reviews
The Gemological refractometer is considered by many to be the most important of all gem testing instruments. The primary use of the refractometer is to measure the angle at which light traveling through the stone is bent or refracted. This is called Refractive Index (R.I.). As Refractive Index is usually different for different gemstones, this provides an important clue for accurate gemstone identification. Gemological refractometer also can be used to determine whether or not a stone is single


Vee Gee Scientific BTX-20 Handheld Refractometer, with Brix Scale, 0-20%, +/-0.1% Accuracy, 0.10% Resolution, 10 to 30 degree C ATC
Vee Gee Scientific BTX-20 Handheld Refractometer, with Brix Scale, 0-20%, +/-0.1% Accuracy, 0.10% Resolution, 10 to 30 degree C ATC
By Vee Gee Scientific
In Stock
$79.23
$78.83

mpn: BTX-20,

4.9 out of 5 stars with 82 reviews
The VEE GEE BTX-20 is a handheld, portable, water-resistant sugar refractometer with a Brix scale that measures in the 0.0 to 32.0% range, is powered by ambient light, has automatic temperature compensation (ATC), 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


Optics Salinity 0-10% Refractometer with ATC, Dual Scale (1.0 to 1.070 Density / 0-100ppt) for Salt Sea Water Aquarium Tank, Marine Industry, with LED light and pipettes
Optics Salinity 0-10% Refractometer with ATC, Dual Scale (1.0 to 1.070 Density / 0-100ppt) for Salt Sea Water Aquarium Tank, Marine Industry, with LED light and pipettes
By TekcoPlus
In Stock
$24.00
$22.80
You Save: 5%

mpn: RETK-77, ean: 0713072682981,

4.3 out of 5 stars with 142 reviews
This is a true seawater or a salt (brine) refractometer preferred by aquarist. Designed to measure seawater (marine aquaria) or very low concentrated salt solutions It can be generally calibrated by fresh water but to ensure accurate salinity measurement of reef aquarium, calibrate at least once by a solution matching the refractive index of 35ppt seawater or similar solution near measurement range. With this refractometer you can: * Measure concentration of salt water and brine or salinity


Refractometer for Grape Wine Brewing, Measuring Sugar Content in Original Grape Juice and Predicting the Wine Alcohol Degree, Dual Scale of 0-40% Brix & 0-25% vol Alcohol, Wine Making Kit
Refractometer for Grape Wine Brewing, Measuring Sugar Content in Original Grape Juice and Predicting the Wine Alcohol Degree, Dual Scale of 0-40% Brix & 0-25% vol Alcohol, Wine Making Kit
By aichose
In Stock
$21.99

mpn: SR0019-ATC, ean: 0603097377644,

4.0 out of 5 stars with 40 reviews
The Principle : The Basic principle of wine brewing is that, the grape yeasts turns the sugar in the grape juice into alcohol and carbon dioxide. So basically, the higher the sugar content of the grapes is, the higher alcohol degree of wine it will produce. With this refractometer, you can predict the alcohol degree by testing the grape juice, make it easier and quicker to pick out ideal grapes for making wine. Why you must have it? 1.Take full control of your brew with this Brix Refractometer


Red Sea Seawater Refractometer
Red Sea Seawater Refractometer
By Red Sea
In Stock
$59.99

mpn: RS7945, ean: 0730773120185,

4.2 out of 5 stars with 36 reviews
Red Sea’s Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25oC/77 0F. Most refractometers used within the aquarium hobby are not specifically designed for reef aquariums and use an algorithm for the measurement of brine (NaCl – rather than seawater) and at a temperature of 15oC/59 0F rather than 25oC/77 0F. Thus, a measurement deviation of up to 1.5ppt is possible, which can have a significant adverse effect on coral


Brix Refractometer for Beer Brewing,Wine Making, Sugar Content Mearsuring,Dual Scale - Specific Gravity 1.000-1.130 and Brix 0-32%,with ATC Function,Beer Wort Refractometer
Brix Refractometer for Beer Brewing,Wine Making, Sugar Content Mearsuring,Dual Scale - Specific Gravity 1.000-1.130 and Brix 0-32%,with ATC Function,Beer Wort Refractometer
By Agriculture Solutions
In Stock
$20.99

mpn: RF032SG, ean: 0798304202557,

4.1 out of 5 stars with 21 reviews
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 to the dual scale there is no need convert to specific gravity as the scale measures both Brix and SG. Comes in a


Refractometer, RISEPRO Home Brewing Alcohol Hydrometer Dual Scale Brix 0~32% Wort SG 1.000~1.120 Specific Gravity Sugar Wine Beer Juice Fruit Grass (Aluminium)
Refractometer, RISEPRO Home Brewing Alcohol Hydrometer Dual Scale Brix 0~32% Wort SG 1.000~1.120 Specific Gravity Sugar Wine Beer Juice Fruit Grass (Aluminium)
By RISEPRO
In Stock
$17.90

mpn: RSG-32ATC, ean: 0712201954722,

4.3 out of 5 stars with 46 reviews
RISEPRO® Refractometer can measure Brix and Specific Gravity with dual scales for your Wort or Wine. It helps to approximate the finished alcohol readings. Let it helps you to brew better! Furthermore, this brix refractometer is able to check the ripeness of fruit in the field, verifying quality of product after harvesting or controlling concentrations during processing and packaging. Compared with Hydrometer, SG Wort refractometer requires small amount of sample with 2 or 3 drops of sample


Beer Wort and Wine Refractometer, MRbrew Dual Scale Specific Gravity Brix and Beer Sugar Wine with ATC for Wine Making and Beer Brewing
Beer Wort and Wine Refractometer, MRbrew Dual Scale Specific Gravity Brix and Beer Sugar Wine with ATC for Wine Making and Beer Brewing
By MRbrew
In Stock
$16.99

mpn: MR765470575693, ean: 0765470575693,

4.5 out of 5 stars with 25 reviews
Package Include: 1x Protective carrying case 1x RSG-100ATC Refractometer 1x Dropper pipettes 1x Mini-screw driver 1x Cleaning cloth 1x User manual 100% high quality,after controlling concentrations,we have verified the product quality during processing and packaging Comes with a manual calibration knob that is secured with a lock nut and has a brighter display than the more narrow range refractometers. Wide use in many fields: Wine or Beer: Use Brix readings to get wort sugars and help


Car Antifreeze System Ethylene Glycol 0-100% Freezing Point -60~0°C Battery Acid 1.10-1.40 kg/l Cleaning Fluid Refractometer with ATC,Battery Check-up Test w/Extra LED Light & pipettes
Car Antifreeze System Ethylene Glycol 0-100% Freezing Point -60~0°C Battery Acid 1.10-1.40 kg/l Cleaning Fluid Refractometer with ATC,Battery Check-up Test w/Extra LED Light & pipettes
By TekcoPlus
In Stock
$26.60
$25.99
You Save: 2%

mpn: RETK-81, ean: 0713072682950,

4.8 out of 5 stars with 61 reviews
This optical Coolant and Battery Refractometer w/ three scales is designed to measure freezing point of coolants & antifreezes based on ethylene glycol & as well as it measures of battery fluid condition & concentration of the ethylene glycol aqueous solution. Scale range: Ethylene glycol: -60 to 0°C and 0 to 100% ; Battery fluid: 1.10 to 1.40 kg/lWith this refractometer, you can:* Take care of your flooded battery * Check the strength of electrolyte solution batteries* Measure freezing point


Ade Advanced Optics aaosal Professional Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, Hydrometer, 0-100 ppt and 1.000-1.070 Salinity S.G.
Ade Advanced Optics aaosal Professional Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, Hydrometer, 0-100 ppt and 1.000-1.070 Salinity S.G.
By Ade Advanced Optics
In Stock
$17.97

mpn: aaosal, ean: 0710500199189,

4.5 out of 5 stars with 149 reviews
Brand new Salinity Refractometer that is used to measure the salinity levels of saltwater aquariums and the worlds oceans. Calibrate with either distilled water or a 35ppt Salinity standard. Wipe off the saltwater after each use. This unit comes with Automatic Temperature Compensation or ''ATC''. This feature allows you to get a reading outdoors when the temp is between 50'F-86'' (10'C-30'C). If you test outside of temp range your readings will become gradually more and more inaccurate. For


Brix Refractometer Range 0-10% Brix Testing Synthetic Machining Coolants, Maple sap, Cutting Liquid, CNC, for Maple Syrup Makers, Low-Concentrated Sugar Solutions, Tea, ATC +LED Light & pipettes
Brix Refractometer Range 0-10% Brix Testing Synthetic Machining Coolants, Maple sap, Cutting Liquid, CNC, for Maple Syrup Makers, Low-Concentrated Sugar Solutions, Tea, ATC +LED Light & pipettes
By TekcoPlus
In Stock
$26.14
$24.90
You Save: 5%

mpn: RETK-72, ean: 0713072683032,

4.4 out of 5 stars with 121 reviews
Brix Refractometer (brixmeter) has a scale in range of 0~10% Bx with 0.1% reading resolution and well designed for field use.Designed to measure cutting or machining emulsions (the content of oil in an aqueous solution) or for industrial measurement of high dilution multiple cutting fluid, emulsion concentration.The usual sucrose concentration of selected substances like cutting or machining emulsions (water with oil) is 0~7. Also be used on very low-concentrated sugar solutions, tea,


Honey Refractometer for Honey Moisture, Brix and Baume, with ATC, 58-90% Brix Sugar Baume for Beekeeping, Honey, Condensed Milk, Sugar Syrup, Molasses etc.
Honey Refractometer for Honey Moisture, Brix and Baume, with ATC, 58-90% Brix Sugar Baume for Beekeeping, Honey, Condensed Milk, Sugar Syrup, Molasses etc.
By High Key
In Stock
$26.99
$26.30
You Save: 3%

ean: 0750920991642,

4.4 out of 5 stars with 63 reviews
Warning Accurate measurement based on good calibration, please calibrate the refractometer before your first use. But you don't have to calibrate it frequently, once every a few months is OK. When you put your sample to be tested on the daylight plate, make sure the liquid spreads across the entire surface of the prism without air bubbles or dry spots. Clean the instrument with a soft cloth after each use, keep the refractometer dry and clean, which will keep the instrument accurate and


Brix Refractometer for Homebrew Beer Wort, iTavah Dual Scale Automatic Temperature Compensation 0-32% Specific Gravity Hydrometer with ATC
Brix Refractometer for Homebrew Beer Wort, iTavah Dual Scale Automatic Temperature Compensation 0-32% Specific Gravity Hydrometer with ATC
By iTavah
In Stock
$66.63
$19.99
You Save: 70%

mpn: DH031800,

4.5 out of 5 stars with 40 reviews
iTavah Dual Scale Brix Refractometer with ATC - the Best Refractometer for Home Brewing, Wine or Beer Making iTavah portable hand held refractometer, with automatic temperature compensation(ATC), offers proper control of your brewing by testing the Brix (0-32%) and Specific Gravity (1.000-1.130) at the same time. With just a drop or two of your brew, you can get fast and accurate readings. Easy to use and convenient to store! Kindly Note: 1. The Brix% is quite close to °P, and


Anpro Honey Refractometer, 58-92% Scale Range Honey Tester with Temperature Compensation
Anpro Honey Refractometer, 58-92% Scale Range Honey Tester with Temperature Compensation
By Anpro
In Stock
$10.99

mpn: AWR2-1-APX, ean: 0742297665271,

4.8 out of 5 stars with 78 reviews
58~92% Refractometer, Perfect for Honey Measurement This optical honey refractometer includes 12 - 27 % for measurement of honey moisture, 58-92% for brix, 38 - 43 Bé° for Glucose Baume. Package included: 1 x Anpro Honey Refractometer 1 x Plastic Pipette 1 x Mini Screw Driver 1 x User Manual 1 x Cleaning Cloth 1 x Plastic BoxHand Held Honey Refractometer with Automatic Temperature Compensation. Portable Honey Content Tester:suitable for those who needs check honey quality. 58~92%


Refractometer, RISEPRO Antifreeze/Battery Fluid Refractometer with Automatic Temperature Compensation (ATC), RZ-115
Refractometer, RISEPRO Antifreeze/Battery Fluid Refractometer with Automatic Temperature Compensation (ATC), RZ-115
By RISEPRO
In Stock
$15.90

ean: 0602860874793,

4.4 out of 5 stars with 85 reviews
Product description ** 6 scales for measurement of this optical refractometer: 1) Scale to determine the battery electrolyte condition Scale range: 1.10~1.40kg/l Resolution: 0.01kg/l 2) Scale G13 - to determine the freezing point of propylene glycol-based antifreezes This scale is suitable for measuring of freezing point of propylene glycol-based coolants and antifreezes, and in solar thermal collectors circuits or heating pumps and chillers. Range of scale G13(Propylene Glycol):


Ade Advanced Optics Anti-F Fahrenheit ATC Glycol Antifreeze/Battery Fluid Refractometer
Ade Advanced Optics Anti-F Fahrenheit ATC Glycol Antifreeze/Battery Fluid Refractometer
By Ade Advanced Optics
In Stock
$21.99

mpn: Ade Advanced Optics Anti-F, ean: 0704405061832,

4.3 out of 5 stars with 129 reviews
This Ade Advanced Optics Anti-F can be used for measuring the freezing point of either Propylene or ethylene glycol based cooling systems. It can also be used for checking the strength of electrolyte solution batteries. This precision instrument features high-quality optics with ultra smooth focusing. Scale range: 32 degree F to -60 degree F. The hand refractometer is a portable, precision optical instrument used for measuring the freeze point of engine coolant and the operation state of


Hamh Optics&Tools Refractometer Grape Wine Alcohol Dual Scale 0-25% vol Alcohol & 0-40% Brix Refractometer with ATC for Wine Making, Bier brewing, Homebrew Kit, Winemakers
Hamh Optics&Tools Refractometer Grape Wine Alcohol Dual Scale 0-25% vol Alcohol & 0-40% Brix Refractometer with ATC for Wine Making, Bier brewing, Homebrew Kit, Winemakers
By Hamh Optics&Tools
In Stock
$19.49

mpn: 1, ean: 0747100926938,

4.0 out of 5 stars with 84 reviews
Description: Grape & Alcohol Refractometer is mainly designed to test the sugar content in original grape juice, then the alcohol level in the wine(which will be brewed from the grape juice) can be known from the scale, and alcohol-content by volume of the grape wine made from the fermented grape juice and baume level in the grapes. The 0-40% Brix Range lends itself to many other uses too.The unit can also be used to measure other industrial liquids. Because the value of Brix has a fixed



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