Hydrometers - Super Savings! Save up to 38%


Super Savings! Up to 38% off on Hydrometers at Dupen Labs. Top brands include Wwang, L-K Industries, Chase Instrument, AUKMONT, Brew Tapper, SP Scienceware, Box Brew Kits, H-B Instrument Company, Rhinoco, Kimble Chase, THERMCO, & aichose. Hurry! Limited time offers. Offers valid only while supplies last.



Triple Scale Specific Gravity Hydrometer& 250ml Plastic Cylinder Combo, Brix and Gravity Test Kit,for Home Brew Beer, Wine, Mead and Kombucha -- Specific Gravity ABV Tester-by Wwang
Triple Scale Specific Gravity Hydrometer& 250ml Plastic Cylinder Combo, Brix and Gravity Test Kit,for Home Brew Beer, Wine, Mead and Kombucha -- Specific Gravity ABV Tester-by Wwang
By Wwang
In Stock
$23.99
$14.99
You Save: 38%

ean: 6984377868125,

4.1 out of 5 stars with 35 reviews
Do you want take pride in Homebrewing? Then you need the Wwang's Elite Deluxe Triple Scale Hydrometer Set! it is our mission to make the world's best Homebrew equipment, so that you can focus on making your best brews! This Deluxe Set is the only kit to come with a FREE microfiber cleaning cloth, so you can clean up your set in style! This is the Best Triple Scale Hydrometer for Home Brewing, Wine or Beer Making: ★ EASY TO READ - Easy use colour scale gives you a visual guide of when your


L-K Industries S10-1002 Hydrometer, API Range (19 to 31)
L-K Industries S10-1002 Hydrometer, API Range (19 to 31)
By L-K Industries
In Stock
$39.01
$38.21
You Save: 2%

mpn: S10-1002,

4.0 out of 5 stars with 111 reviews
L-K Industries API hydrometers have multiple ranges that are precision grade for measuring API gravity of crude oil and other petroleum products. We offer all ranges that comply with API (American Petroleum Institute and The American Society of Testing Materials (ASTM) E100 standards, from -1 degrees to 96 degrees. Made in the USA out of precision grade glass and ballast to ensure accuracy. Each is serialized, traceable to NIST, and inspected in our ISO/IEC 17025:2005 ANAB Accredited


Chase Instruments 31490 Dual Scale Baume Heavy Specific Gravity Hydrometer, 1.000-1.220 Graduation Range, 0 to 26 Range, 0.005mm Interval, 152mm Length
Chase Instruments 31490 Dual Scale Baume Heavy Specific Gravity Hydrometer, 1.000-1.220 Graduation Range, 0 to 26 Range, 0.005mm Interval, 152mm Length
By Chase Instrument
In Stock
$48.03
$43.00
You Save: 10%

mpn: 31490,

4.7 out of 5 stars with 130 reviews
Requires a cylinder 340 x 38 mm and approximately 260 mL of liquid. Models 6026Q20 and Q30 hydrometers have specific gravity scale in divisions of .002, Baume scale in 0.2°; 6026Q35 in 0.005 and 0.5°, 6026Q40 is scaled in 0.01 and 0.5°.For liquids heavier than water; dual scale. Approximate total length 310 mm, approximate length of graduated scale 140 mm.


Proof and Tralle Hydrometer
Proof and Tralle Hydrometer
By AUKMONT
In Stock
$11.80

mpn: HU01-3, ean: 0606993662128,

4.9 out of 5 stars with 89 reviews
Similar in use to a brewing hydrometer, but measures in a different range (0-100% alcohol and 0-200 proof). The use of an alcoholmeter is very straight forward. Pour a sample of the spirit to be tested into a tall glass or high chemical tolerant plastic cylinder, leaving enough space for the alcoholmeter to disperse the liquid. In order to obtain the most accurate reading possible, try to ensure that the liquid is as close to 68 degree F (20'C) as possible, as this is the temperature that the


Brew Tapper Triple Scale Hydrometer with Glass Test Tube Combo for Beer, Wine, Mead & Kombucha - Specific Gravity ABV Tester
Brew Tapper Triple Scale Hydrometer with Glass Test Tube Combo for Beer, Wine, Mead & Kombucha - Specific Gravity ABV Tester
By Brew Tapper
In Stock
$15.99

mpn: BT-TSKit-G-TTB, ean: 0616929995473,

4.1 out of 5 stars with 47 reviews
Brew Tapper Triple Scale Hydrometer with Glass Test Jar is for every home brewer who needs to determine specific gravity, brix, or potential alcohol readings quickly. Here's a huge problem you face right now. It's inaccurate readings. But that's not the end of your problems with measuring made simple and easy. What makes this even worse is the fact that without the correct readings, your brew will fail. Which means your beer or wine won't taste right or even worse go bad. And, worst of all,


H-B DURAC 1.500/2.000 Specific Gravity Hydrometer for Liquids Heavier Than Water (B61801-7100)
H-B DURAC 1.500/2.000 Specific Gravity Hydrometer for Liquids Heavier Than Water (B61801-7100)
By SP Scienceware
In Stock
$30.25
$29.76
You Save: 2%

mpn: B61801-7100,

4.5 out of 5 stars with 129 reviews
Specific gravity hydrometers are commonly used in industries such as food and beverage, chemistry, pharmacology, transportation, refrigeration and more. Available in a variety of models measuring specific gravity / relative density (g/cmᶟ) of liquids lighter and heavier than water in various ranges from 0.690 to 3.000, they are made of lead free ballast and glass. These plain form hydrometers are individually serialized and have a temperature standardization of 60 degrees F (15 degrees C).


Triple Scale Hydrometer and 13'' Glass Hydrometer Test Jar with Stand with Safety Bumpers Home Brewing Beer Brewing Wine Making
Triple Scale Hydrometer and 13" Glass Hydrometer Test Jar with Stand with Safety Bumpers Home Brewing Beer Brewing Wine Making
By Box Brew Kits
In Stock
$10.98

mpn: MS65ZF9, ean: 0019962465437,

4.1 out of 5 stars with 44 reviews
One 13'' glass hydrometer test jar with plastic base and red safety bumper, paired with one triple-scale hydrometer for measuring fermentation progress and alcohol content.GLASS TEST JAR and HYDROMETER COMBINATION. ACCURATE - measure alcohol in Brix, Potential Alcohol and Specific Gravity. DURABLE - includes sturdy base - more durable than other glass test jars.


H-B Instrument B61806-0600 Dual-Scale Glass Hydrometer, 1.000-1.400 Sg/0-41 Baume
H-B Instrument B61806-0600 Dual-Scale Glass Hydrometer, 1.000-1.400 Sg/0-41 Baume
By H-B Instrument Company
In Stock
$18.93
$18.10
You Save: 4%

mpn: B61806-0600,

4.8 out of 5 stars with 40 reviews
For liquids heavier than water, each hydrometer is calibrated in a triple accredited ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST. Individually packaged with a multi-language Statement of accuracy indicating accuracy traceable to NIST. Nist traceable. Temperature of standardization 60°F/60°F. Metal ballast. Individually serialized.Division: 0.010 sg / 1.0° baume. Hydrometer form: plain. Liquids heavier than water: yes. Length (mm):


Rhinoco Salinity Refractometer Sea Water Hydrometer with ATC Function Dual Scale 0-100 ppt of Salinity and 1.000 to 1.070 Specific Gravity for Aquarium Seawater Marine Monitoring
Rhinoco Salinity Refractometer Sea Water Hydrometer with ATC Function Dual Scale 0-100 ppt of Salinity and 1.000 to 1.070 Specific Gravity for Aquarium Seawater Marine Monitoring
By Rhinoco
In Stock
$19.95

mpn: RINTL277US, ean: 0757347418363,

4.9 out of 5 stars with 79 reviews
Overview: 1. 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. High quality refractometer measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand and replaces your poor quality and difficult to read hydrometer. With just a couple of drops of aquarium water you know exactly what your salinity is. The usual salinity of the selected aqueous solutions:


H-B DURAC 1.150/1.200 Specific Gravity ASTM 114H Hydrometer for Heavy Liquids (B61891-1800)
H-B DURAC 1.150/1.200 Specific Gravity ASTM 114H Hydrometer for Heavy Liquids (B61891-1800)
By SP Scienceware
In Stock
$37.05

mpn: B61891-1800,

4.5 out of 5 stars with 129 reviews
Available in a variety of models measuring specific gravity of heavy and light liquids in various ranges from 0.650 to 2.000 in accordance with the American Society of Testing Materials (ASTM) E100 standards. Specific gravity hydrometers are the most widely used hydrometer, common in industries such as food and beverage, chemistry, pharmacology, transportation, refrigeration and more. Made of lead free ballast and glass, these plain form hydrometers conform to the accuracy requirements of ASTM


H-B DURAC 1.050/1.100 Specific Gravity ASTM 112H Hydrometer for Heavy Liquids (B61891-1600)
H-B DURAC 1.050/1.100 Specific Gravity ASTM 112H Hydrometer for Heavy Liquids (B61891-1600)
By SP Scienceware
In Stock
$44.10
$40.43
You Save: 8%

mpn: B61891-1600,

4.1 out of 5 stars with 132 reviews
Available in a variety of models measuring specific gravity of heavy and light liquids in various ranges from 0.650 to 2.000 in accordance with the American Society of Testing Materials (ASTM) E100 standards. Specific gravity hydrometers are the most widely used hydrometer, common in industries such as food and beverage, chemistry, pharmacology, transportation, refrigeration and more. Made of lead free ballast and glass, these plain form hydrometers conform to the accuracy requirements of ASTM


Kimble Chase 52140-0264 Salt and Brine Hydrometer, Graduated from 0-26.4% Sodium Chloride
Kimble Chase 52140-0264 Salt and Brine Hydrometer, Graduated from 0-26.4% Sodium Chloride
By Kimble Chase
In Stock
$24.50
$19.54
You Save: 20%

mpn: 52140-0264,

4.6 out of 5 stars with 70 reviews
This sodium chloride hydrometer is graduated from 0-26.4% sodium chloride, and is used to measure the percentage of a saturated salt solution. It meets or exceeds the requirements in ASTM specification E100, and it is calibrated to ASTM specification E126 to ensure accuracy. A serial number is printed on the scale and a certificate of traceability is included. The certificate of traceability indicates that the hydrometers are manufactured using devices calibrated using NIST traceable


Thermco GW2510 Plain Form Talle And Proof Scale Alcohol Hydrometer, 0 to 100% Tralle Range, 0 to 200% Proof Range, 300mm Length
Thermco GW2510 Plain Form Talle And Proof Scale Alcohol Hydrometer, 0 to 100% Tralle Range, 0 to 200% Proof Range, 300mm Length
By THERMCO
In Stock
$23.99
$19.94
You Save: 17%

mpn: GW2510,

4.0 out of 5 stars with 51 reviews
Hydrometers are manufactured to the exacting specifications provided by NIST, ASTM/API and IRS and are calibrated against standards traceable to NIST. A certificate is provided with each hydrometer assuring that the user receives a quality instrument.Tralle Scale Measures the Percent of Alcohol by Weight in Water. Proof Scale measures the Percent Alcohol by Volume Multiplied by Two. Internal Revenue Specification Proof Scales. Suitable for Certification. 1% Tralle Scale Division and 2% Proof


Chase Instruments 31500 Dual Scale Baume Heavy Specific Gravity Hydrometer, 1.000-1.450 Graduation Range, 0 to 45 Range, 0.005mm Interval, 300mm Length
Chase Instruments 31500 Dual Scale Baume Heavy Specific Gravity Hydrometer, 1.000-1.450 Graduation Range, 0 to 45 Range, 0.005mm Interval, 300mm Length
By Chase Instrument
In Stock
$50.09
$39.85
You Save: 20%

mpn: 31500,

4.9 out of 5 stars with 28 reviews
Requires a cylinder 340 x 38 mm and approximately 260 mL of liquid. Models 6026Q20 and Q30 hydrometers have specific gravity scale in divisions of .002, Baume scale in 0.2°; 6026Q35 in 0.005 and 0.5°, 6026Q40 is scaled in 0.01 and 0.5°.For liquids heavier than water; dual scale. Approximate total length 310 mm, approximate length of graduated scale 140 mm.


4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid
4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid
By aichose
In Stock
$21.99

mpn: SR0022-ATC, ean: 0698775158448,

4.1 out of 5 stars with 69 reviews
This refractometer is a portable multiuse tool for automotive owners,you can use it for testing the freezing point for the antifreeze fluid based on ethylene glycol or propylene glycol, you can use it for testing specific gravity of battery acid and provide a quick reference of battery charge condition, you can use it for testing urea concentration in automobile diesel exhaust fluid (DEF), you can also use it for testing windshield washer fluid based on ethanol or isopropyl alcohol. 4 Fuctions


H-B DURAC 0.850/0.900 Specific Gravity ASTM 106H Hydrometer for Light Liquids (B61891-1200)
H-B DURAC 0.850/0.900 Specific Gravity ASTM 106H Hydrometer for Light Liquids (B61891-1200)
By SP Scienceware
In Stock
$41.20
$38.95
You Save: 5%

mpn: B61891-1200,

4.2 out of 5 stars with 127 reviews
Available in a variety of models measuring specific gravity of heavy and light liquids in various ranges from 0.650 to 2.000 in accordance with the American Society of Testing Materials (ASTM) E100 standards. Specific gravity hydrometers are the most widely used hydrometer, common in industries such as food and beverage, chemistry, pharmacology, transportation, refrigeration and more. Made of lead free ballast and glass, these plain form hydrometers conform to the accuracy requirements of ASTM


L-K Industries S10-3005 Hydrometer, API Range (30 to 50)
L-K Industries S10-3005 Hydrometer, API Range (30 to 50)
By L-K Industries
In Stock
$33.00

mpn: S10-3005,

4.3 out of 5 stars with 147 reviews
L-K Industries API hydrometers have multiple ranges that are precision grade for measuring API gravity of crude oil and other petroleum products. We offer all ranges that comply with API (American Petroleum Institute and The American Society of Testing Materials (ASTM) E100 standards, from -1 degrees to 96 degrees. Made in the USA out of precision grade glass and ballast to ensure accuracy. Each is serialized, traceable to NIST, and inspected in our ISO/IEC 17025:2005 ANAB Accredited


H-B DURAC 0.700/0.810 Specific Gravity Hydrometer for Liquids Lighter Than Water (B61801-4500)
H-B DURAC 0.700/0.810 Specific Gravity Hydrometer for Liquids Lighter Than Water (B61801-4500)
By SP Scienceware
In Stock
$29.84

mpn: B61801-4500,

4.7 out of 5 stars with 91 reviews
Specific gravity hydrometers are commonly used in industries such as food and beverage, chemistry, pharmacology, transportation, refrigeration and more. Available in a variety of models measuring specific gravity / relative density (g/cmᶟ) of liquids lighter and heavier than water in various ranges from 0.690 to 3.000, they are made of lead free ballast and glass. These plain form hydrometers are individually serialized and have a temperature standardization of 60 degrees F (15 degrees C).


H-B DURAC 1.000/1.250 Specific Gravity Hydrometer for Liquids Heavier Than Water (B61801-4800)
H-B DURAC 1.000/1.250 Specific Gravity Hydrometer for Liquids Heavier Than Water (B61801-4800)
By SP Scienceware
In Stock
$30.83

mpn: B61801-4800,

4.1 out of 5 stars with 70 reviews
Specific gravity hydrometers are commonly used in industries such as food and beverage, chemistry, pharmacology, transportation, refrigeration and more. Available in a variety of models measuring specific gravity / relative density (g/cmᶟ) of liquids lighter and heavier than water in various ranges from 0.690 to 3.000, they are made of lead free ballast and glass. These plain form hydrometers are individually serialized and have a temperature standardization of 60 degrees F (15 degrees C).


H-B DURAC 1.150/1.200 Specific Gravity ASTM 128H Hydrometer for Heavy Liquids (B61891-3700)
H-B DURAC 1.150/1.200 Specific Gravity ASTM 128H Hydrometer for Heavy Liquids (B61891-3700)
By SP Scienceware
In Stock
$42.15

mpn: B61891-3700,

4.9 out of 5 stars with 103 reviews
Available in a variety of models measuring specific gravity of heavy and light liquids in various ranges from 0.650 to 2.000 in accordance with the American Society of Testing Materials (ASTM) E100 standards. Specific gravity hydrometers are the most widely used hydrometer, common in industries such as food and beverage, chemistry, pharmacology, transportation, refrigeration and more. Made of lead free ballast and glass, these plain form hydrometers conform to the accuracy requirements of ASTM



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