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Refractometers - Blowout Sale! Save up to 70%


Blowout Sale! Up to 70% off on Refractometers at Dupen Labs. Top brands include Sper Scientific, Reed Instruments, Hamh Optics&Tools, Ade Advanced Optics, Tiaoyeer, aichose, V-Resourcing, Extech, Goodes, Bubblefin, Vee Gee Scientific, Hompie, REED Instruments, Happybrew, RISEPRO, & OneBom. Hurry! Limited time offers. Offers valid only while supplies last.



Sper Scientific 300005 Refractometer
Sper Scientific 300005 Refractometer
By Sper Scientific
In Stock
$61.00
$55.68
You Save: 9%

mpn: 300005, ean: 0816366020176,

4.2 out of 5 stars with 104 reviews
Refractometer - Clinical Refractometer measures urine specific gravity, or gives the refractive index in seconds. Dimensions Place a drop or two of a sample on the prism and read the results. Sper Scientific portable refractometers work in ambient li...


REED Instruments R9700 Battery Coolant / Glycol Refactometer with ATC (C°)
REED Instruments R9700 Battery Coolant / Glycol Refactometer with ATC (C°)
By Reed Instruments
In Stock
$99.00
$88.32
You Save: 11%

mpn: R9700,

4.3 out of 5 stars with 29 reviews
This battery coolant/glycol refractometer features Automatic Temperature Compensation (ATC) and monitors the freezing point of both Ethylene Glycol and Propylene Glycol. In addition the R9700 indicates battery recharge level.Measures the freezing poi...


Brix Refractometer with ATC, Handheld Refractometer,Dual Scale-Specific Gravity 1.000-1.130 and Brix 0-32% for Beer Wine and Fruit,From Hamh Optics&Tools
Brix Refractometer with ATC, Handheld Refractometer,Dual Scale-Specific Gravity 1.000-1.130 and Brix 0-32% for Beer Wine and Fruit,From Hamh Optics&Tools
By Hamh Optics&Tools
In Stock
$19.49

mpn: 43235-93342, ean: 0747100927041,

4.4 out of 5 stars with 24 reviews
Applications: 1. fruits, vegetables & grasses: Monitor and control sugar concentrations in foods, beverages, crops and plants, checking the "ripeness"of fruit in the field and verifying product quality after harvesting and controlling concentratio...


Ade Advanced Optics ade0-10% 0-10% ATC BRIX Refractometer for Maple Sap, CNC, Rbti
Ade Advanced Optics ade0-10% 0-10% ATC BRIX Refractometer for Maple Sap, CNC, Rbti
By Ade Advanced Optics
In Stock
$22.99

mpn: ade0-10%, ean: 0704405061535,

4.6 out of 5 stars with 81 reviews
This model is most widely used for Raw Maple Sap testing and for Synthetic or Semi-Synthetic Machining Coolants This is THE unit of choice for Reams Testing (RBTI)! This unit is TWICE as accurate as 0-32% models! This model is handy for the testing o...


Sper Scientific 300010 Sugar Refractometer with ATC, Brix: 0 ~ 32%
Sper Scientific 300010 Sugar Refractometer with ATC, Brix: 0 ~ 32%
By Sper Scientific
In Stock
$80.00
$74.82
You Save: 6%

mpn: 300010,

4.4 out of 5 stars with 147 reviews
Sugar Refractometer 0 ~ 32% w/ATC This refractometer features Automatic Temperature Compensation (ATC), which makes manual temperature corrections unnecessary. The most popular refractometer range due to its usefulness in a wide variety of quality co...


Tiaoyeer Brix Refractometer with ATC Digital Handheld Refractometer for Beer Wine Fruit Sugar, Dual Scale-Specific Gravity 1.000-1.130 and Brix 0-32% (Black)
Tiaoyeer Brix Refractometer with ATC Digital Handheld Refractometer for Beer Wine Fruit Sugar, Dual Scale-Specific Gravity 1.000-1.130 and Brix 0-32% (Black)
By Tiaoyeer
In Stock
$40.99
$18.99
You Save: 54%

mpn: pjzsy54-001, ean: 0688209986266,

4.1 out of 5 stars with 76 reviews
Tiaoyeer Brix Refractometer with ATC for Sugar and Fruit, Brix Meter Measurement Widely used in the manufacture or production of sugar, food, fruit, beverages etc. Versatile refractometer, with a brix scale of 0~32%, perfect for sugar measurement, co...


Salinity Refractometer 0~28% Scale Range, Measuring Sodium Chloride Content in Brine, Seawater and Industry. Salinometer for Food with Automatic Temperature Compensation (ATC)
Salinity Refractometer 0~28% Scale Range, Measuring Sodium Chloride Content in Brine, Seawater and Industry. Salinometer for Food with Automatic Temperature Compensation (ATC)
By aichose
In Stock
$21.99

mpn: SR0010-ATC, ean: 0603097377521,

4.0 out of 5 stars with 98 reviews
The usual salinity of selected aqueous solutions Example:Salinity 36 ppt means that there are 36 grams of salt in 1 liter aqueous solution. Fresh water ------50 ppt Measurement The liquid measurement is very easy. Place a few drops of the liquid on ...


V-Resourcing Beer Wort Refractometer, Brix/Specific Gravity Refractometer for Beer Brewing, Dual Scale(Brix 0-32%, SG Wort 1.000-1.130)
V-Resourcing Beer Wort Refractometer, Brix/Specific Gravity Refractometer for Beer Brewing, Dual Scale(Brix 0-32%, SG Wort 1.000-1.130)
By V-Resourcing
In Stock
$32.99
$16.99
You Save: 48%

mpn: B06XSYH9L8, ean: 0605244351750,

4.1 out of 5 stars with 130 reviews
Please Note: V-Resourcing is the ONLY Authorized Seller. Unauthorized sellers cannot guarantee or offer warrantees. * This brix refractometer includes a specific gravity scale. You won't have to do conversions between brix and gravity when measuring...


Extech RF40 Battery Acid and Engine Coolant Refractometer
Extech RF40 Battery Acid and Engine Coolant Refractometer
By Extech
In Stock
$89.99
$64.79
You Save: 28%

mpn: RF40, ean: 0793950222409,

4.8 out of 5 stars with 14 reviews
Automotive coolant refractometer measures the freezing point of coolants plus battery charge condition. Requires only a few drops of solution to use. Measures the freezing point of coolants Measures battery charge condition Provides accurate and repe...


Ade Advanced Optics B28-62 Professional Heavy Duty ATC Refractometer (28-62% Brix), High Range Measurement 
Ade Advanced Optics B28-62 Professional Heavy Duty ATC Refractometer (28-62% Brix), High Range Measurement 
By Ade Advanced Optics
In Stock
$22.70
$18.99
You Save: 16%

mpn: Ade Advanced Optics B28-62, ean: 0704405061450,

4.4 out of 5 stars with 104 reviews
How to Calibrate. Please READ! The manual is a generic manual for all brix refractometers including 0-32%, 0-10%, 0-80% models. The distilled water only works with the refractometer with a 0% scale because the distilled water does not contain any sug...


Goodes Salinity Refractometer with ATC,Sea Water Refractometer,Dual Scale 0-100 PPT of Salinity and 1.000 to 1.070 Specific Gravity (0-10%) for Sea Water Aquarium Tank, Marine Industry
Goodes Salinity Refractometer with ATC,Sea Water Refractometer,Dual Scale 0-100 PPT of Salinity and 1.000 to 1.070 Specific Gravity (0-10%) for Sea Water Aquarium Tank, Marine Industry
By Goodes
In Stock
$60.99
$18.00
You Save: 70%

mpn: GES-TL003-BK, ean: 0611040325246,

4.7 out of 5 stars with 95 reviews
  salinity Refractometer This  dual scale salinity refractometer is used to measure, monitor and control the concentration of salt water and brine, especially useful for aquarium and marine applications. This  high quality refractometer measures...


Refractometer with Automatic Temperature Compensation (0-32 Brix) Triple Scale Beer & Wine
Refractometer with Automatic Temperature Compensation (0-32 Brix) Triple Scale Beer & Wine
By Bubblefin
In Stock
$15.99
$15.00
You Save: 6%

mpn: RHB-32SATC-3S,

4.8 out of 5 stars with 23 reviews
Brix Refractometer for Measuring Sugar Liquid with Brix Refractometer with Automatic Temperature Compensation, Specific Gravity! -- 3 scales for Measurement in America, Europa and Asia: 0-32% Brix ( MAS Sacch); 0-140 Oe; 0-27 KMW (Babo) -- Measuremen...


3-in-1 Refractometer Ethylene Glycol, Propylene Glycol in antifreeze liquids freezing point temperature and freezing point concentration, automotive and industrial battery liquid,by Hamh Optics&Tools
3-in-1 Refractometer Ethylene Glycol, Propylene Glycol in antifreeze liquids freezing point temperature and freezing point concentration, automotive and industrial battery liquid,by Hamh Optics&Tools
By Hamh Optics&Tools
In Stock
$22.00

mpn: B073Q2LSG9, ean: 0747100926976,

4.7 out of 5 stars with 99 reviews
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. You can use it to check the temperature (freezing point) of the conde...


Ade Advanced Optics Brix Refractometer - High Measuring Range Honey tester 58%-90%. Beerkeeping, bees Tri-Scales
Ade Advanced Optics Brix Refractometer - High Measuring Range Honey tester 58%-90%. Beerkeeping, bees Tri-Scales
By Ade Advanced Optics
In Stock
$28.99
$25.00
You Save: 14%

mpn: Brix5890ATC, ean: 0704405061443,

4.4 out of 5 stars with 144 reviews
Brix Scale: * Scale Range: 58%-90% Brix * Divisions: 0.50% Brix * Accuracy: +/- 0.50% Honey Moisture Scale: * Scale Range: 10%-33% Water * Divisions: 1.00% Water * Accuracy: +/- 1.00% Baume Specific Gravity Scale: * Be Scale Range: Be @ 20C 38%...


Vee Gee Scientific BX-3 Handheld Refractometer, with Brix Scale, 58-92%, -0.2% Accuracy, 0.20% Resolution
Vee Gee Scientific BX-3 Handheld Refractometer, with Brix Scale, 58-92%, -0.2% Accuracy, 0.20% Resolution
By Vee Gee Scientific
In Stock
$92.82
$91.50
You Save: 1%

mpn: BX-3,

4.1 out of 5 stars with 35 reviews
The VEE GEE BX-3 is a handheld, portable, water-resistant sugar refractometer with a Brix scale that measures in the 58.0 to 92.0% range, is powered by ambient light, has manual temperature compensation, an optical glass prism, and a durable metal bo...


Brix Refractometer, Hompie ATC Refractometer Brix Tester, Hand Held Refractometer of 0-32% Range, Replaces Hydrometer, Professional Sugar Measurement for Homebrew Beer, Wine,Fruit Juice, Father's Day
Brix Refractometer, Hompie ATC Refractometer Brix Tester, Hand Held Refractometer of 0-32% Range, Replaces Hydrometer, Professional Sugar Measurement for Homebrew Beer, Wine,Fruit Juice, Father's Day
By Hompie
In Stock
$35.99
$17.88
You Save: 50%

mpn: HP-BR1-1,

4.9 out of 5 stars with 44 reviews
Extra Description:1.This optical refractometer is used to measure the sugar concentration of liquid in degrees brix (0-32). 2.It gives you high accuracy and apparent results because of the ATC which increases accuracy and eliminates concerns on temp...


REED Instruments R9500 BRIX Refractometer, 0-32%, +/-0.2% Accuracy
REED Instruments R9500 BRIX Refractometer, 0-32%, +/-0.2% Accuracy
By REED Instruments
In Stock
$97.74
$89.99
You Save: 8%

mpn: R9500,

4.1 out of 5 stars with 30 reviews
This brix refractometer shows the concentration (percentage) of sucrose in 2 to 3 drops of a sample. The R9500 is used to measure sugar concentration in fruit juices and has been calibrated to the sucrose content contained in 100g of cane sugar.Measu...


Dual Scale Brix & Beer Sugar Wine SG Wort1.000-1.120 Brix0-32% Refractometer HOME BREW by Happybrew
Dual Scale Brix & Beer Sugar Wine SG Wort1.000-1.120 Brix0-32% Refractometer HOME BREW by Happybrew
By Happybrew
In Stock
$28.99
$17.99
You Save: 38%

mpn: COMINHKPR147411, ean: 0601308687117,

4.3 out of 5 stars with 94 reviews


Refractometer, RISEPRO Brix Refractometer 0-32% Fruit Juice Wine Beer Sugar Dual Scale with Automatic Temperature Compensation (ATC), RHB-32ATC
Refractometer, RISEPRO Brix Refractometer 0-32% Fruit Juice Wine Beer Sugar Dual Scale with Automatic Temperature Compensation (ATC), RHB-32ATC
By RISEPRO
In Stock
$17.90

mpn: 43217-79452, ean: 0602860874786,

4.3 out of 5 stars with 57 reviews
Brief Description This 0-32% Brix refractometer is ideal for measuring sugar related liquids such as fruit juice, soft-drinks, wine, honey etc. It is commonly used for controlling the concentration of various industrial fluids (cutting lubricants an...


OneBom Brix Refractometer, ATC Refractometer Dual Scale,Salinity Refractometer Accurate Calibration for Beer Wine Coffee Saltwater Fruit Sugar Vegetables
OneBom Brix Refractometer, ATC Refractometer Dual Scale,Salinity Refractometer Accurate Calibration for Beer Wine Coffee Saltwater Fruit Sugar Vegetables
By OneBom
In Stock
$19.99

mpn: 43237-2, ean: 0634759531784,

4.9 out of 5 stars with 42 reviews
Refractometers `primary purpose is to measure the degree at which light bends as it passes through a medium, and is used in a wide range of applications and industries as a quality control and diagnostic tool. Onebom ATC Refractometers are designed ...



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