25 Best Refractometer for Aquariums for February 2021

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1
9.9
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Rhinoco Salinity Refractometer, Saltwater Aquarium Refractometer, Dual Scales Specific Gravity Salinity Meter with 0-100 PPT and 1.000-1.070 for Seawater, Pool, Tank, Testing, Marine Fishkeeping
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Rhinoco Salinity Refractometer

Saltwater Aquarium Refractometer, Dual Scales Specific Gravity Salinity Meter with 0-100 PPT and 1.000-1.070 for Seawater, Pool, Tank, Testing, Marine Fishkeeping

by Rhinoco
What We like

Full Copper Chrome Plated DesignSturdy & Compact, the Eyepiece is in High Quality for Better Viewing, Adopting Optical Glass Lens Rather than Plastic Lens for Accurate Measurement.

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Product Features

  • Dual Salinity ScaleSalinity Mester with Dual Scale 0-100 ppt(0 - 10 %) of Salinity and 1.000 to 1.070 Specific Gravity (0-10%).
  • Salinity RefractometerMeasure Salt Water or Salinity of Water, ideal for Aquariums, Marine Monitoring, Agricultural, Gardening & Educational Purposes.

Dual salinity scalesalinity mester with dual scale 0-100 ppt(0 - 10 %) of salinity and 1.000 to 1.070 specific gravity (0-10%). Salinity refractometermeasure salt water or salinity of water, ideal for aquariums, marine monitoring, agricultural, gardening & educational purposes.

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Seawater Salinity Refractometer,V-Resourcing Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium, Hydrometer, 0-100ppt & 1.000-1.070 Salinity Specific Gravity
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V·RESOURCING Seawater Salinity Refractometer

V-Resourcing Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium, Hydrometer, 0-100ppt & 1.000-1.070 Salinity Specific Gravity

by V-Resourcing
What We like

Perfect for salty water tank and aquarium, seafood water tank, salty pools & spas and etc

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Product Features

  • Minimum scale: salinity: 1 , Specific Gravity : 0.001
  • Resolution: salinity: 1, Specific Gravity : 0.001 mm
  • Automatic Temperature Compensation: 10~30
  • Measuring range: salinity: 0-100 , Specific Gravity : 1.000 to 1.070

Resolution: salinity: 1, specific gravity : 0.001 mm Measuring range: salinity: 0-100 , specific gravity : 1.000 to 1.070 Automatic temperature compensation: 10~30 Minimum scale: salinity: 1 , specific gravity : 0.001

3
9.7
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RZ Aquariums Salinity Refractometer for Seawater Marine Fish-Keeping, Dual Scales Specific Gravity Salinity Meter Hydrometer 0-100ppt & 1.000-1.070, Saltwater Tester with ATC Function
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RZ Aquariums Salinity Refractometer for Seawater Marine Fish-Keeping

Dual Scales Specific Gravity Salinity Meter Hydrometer 0-100ppt & 1.000-1.070, Saltwater Tester with ATC Function

by RZ
What We like

Easy to Use: put 2-3 drops on the saltwaters prism, towards light then to get the accurate readings through the optic eyepiece, ideal for replacement the poor quality and difficult to read hydrometer refractometer

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Product Features

  • Measures on 2 Scales: Aquariums refractometer features Specific Gravity (D 20/20) 1.000-1.070sg and parts per thousand 0-100PPT (1=1ppt=1000ppm)
  • Seawater refractometer measures saltwater or salinity of water, ideal for aquarium, marine monitoring, fish-keeping,salty pools&spas and etc.
  • Salinity Refractometer is made of aluminum body and ABS rubber light and very sturdy, comes with a hard plastic case, a mini screwdriver, a dropper
  • ATC Function: salty water refractometer with automatic temperature compensation, allow you obtain accurate readings easier and faster

Salinity refractometer is made of aluminum body and abs rubber light and very sturdy, comes with a hard plastic case, a mini screwdriver, a dropper Atc function: salty water refractometer with automatic temperature compensation, allow you obtain accurate readings easier and faster Measures on 2 scales: aquariums refractometer features specific gravity (d 20/20) 1.000-1.070sg and parts per thousand 0-100ppt (1=1ppt=1000ppm) Seawater refractometer measures saltwater or salinity of water, ideal for aquarium, marine monitoring, fish-keeping,salty pools&spas and etc.

4
9.6
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Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation
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Agriculture Solutions Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation

by Xin Da Cheng
What We like

The main part is made of chromium, it's very durable.

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Product Features

  • Measure salt water or salinity of water, ideal for aquariums and marine monitoring.
  • Comes with hard case, dropper, screwdriver, user manual and cleaning cloth.
  • Measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand.
  • Features automatic temperature compensation.

Features automatic temperature compensation. Measures on 2 scales, specific gravity (d 20/20) and parts per thousand. Comes with hard case, dropper, screwdriver, user manual and cleaning cloth. Measure salt water or salinity of water, ideal for aquariums and marine monitoring.

5
9.6
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AUTOUTLET Refractometer Saltwater Aquarium for Seawater,Pool,Tank,Testing,Marine Fishkeeping, 0-100PPT & 1.000-1.070 Salinity Tester with ATC Function Hydrometer Specific Gravity Salinity Meter Kit
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AUTOUTLET Refractometer Saltwater Aquarium for Seawater

Pool, Tank, Testing, Marine Fishkeeping, 0-100PPT & 1.000-1.070 Salinity Tester with ATC Function Hydrometer Specific Gravity Salinity Meter Kit

by AUTOUTLET
What We like

Salinity RefractometerMeasure Salt Water or Salinity of Water,Monitor and Control the Concentration of Salt Water and Brine,Ideal for Aquariums and Marine Applications.

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Product Features

  • ATCAutomatic Temperature Compensation, 0-10C.
  • Density Measurement Range1.0-1.070, Minimum Scale is 0.001.
  • Concentration Measurement Range0-100, Minimum Scale is 1.
  • Measures on 2 ScalesSpecific Gravity (D 20/20) and parts per thousand and replaces your poor quality and difficult to read hydrometer.

Atcautomatic temperature compensation, 0-10c. Measures on 2 scalesspecific gravity (d 20/20) and parts per thousand and replaces your poor quality and difficult to read hydrometer. Density measurement range1.0-1.070, minimum scale is 0.001. Concentration measurement range0-100, minimum scale is 1.

6
9.6
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Aichose Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium, Saltwater Pool, with ATC Function, Dual Scale: Salinity 0-100‰ and Corresponding Specific Gravity
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Aichose Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium

Saltwater Pool, with ATC Function, Dual Scale: Salinity 0-100‰ and Corresponding Specific Gravity

by XDC Co,.Ltd.
What We like

Ideal for marine fishkeeping aquarium, saltwater pool, marine monitoring,lab,agricultural, gardening and educational purposes.

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Product Features

  • Automatic temperature compensation function minimizes the effect of the temperature on testing result.
  • Easy to Use: It's very easy to use even for new users. And no battery needed.
  • Dual scale: 0-100 salinity and corresponding specific gravity 1.000-1.070
  • It is designed for the measurement of seawater or low concentrated saltwater.

Automatic temperature compensation function minimizes the effect of the temperature on testing result. Dual scale: 0-100 salinity and corresponding specific gravity 1.000-1.070 Easy to use: it's very easy to use even for new users. and no battery needed. It is designed for the measurement of seawater or low concentrated saltwater.

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9.5
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AUTOUTLET Salinity Refractometer for Aquarium Salinity Tester with ATC and Dual Scale 0-100‰ & 1.000-1.070 Specific Gravity Saltwater Tester for Seawater Pool Fish Tank
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AUTOUTLET Salinity Refractometer for Aquarium Salinity Tester with ATC and Dual Scale 0-100‰ & 1.000-1.070 Specific Gravity Saltwater Tester for Seawater Pool Fish Tank

by AUTOUTLET
What We like

Durable and portable, the salt water tester is made of non-staining, non-corrosive and non-reactive aluminum material, with superb technology, strong and durable, light weight and easy to carry.

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Product Features

  • Dual scale display provides readings of one-thousandth (0-100PPT) and specific gravity (1.000 to 1.070 SG), and replace the hydrometer for easier and more accurate measurement.
  • Widely used, can be used for aquarium, marine monitoring, agriculture, horticulture and educational purposes (biological projects).
  • Easy to use, salinity refractometer is easy to operate, only 2 drops of sample after calibration can get accurate reading through eyepiece.
  • Automatic temperature compensation. With the help of the ATC function, the salt water tester can automatically compensate for changes in the ambient temperature, which can obtain accurate readings faster and more easily.

Automatic temperature compensation. with the help of the atc function, the salt water tester can automatically compensate for changes in the ambient temperature, which can obtain accurate readings faster and more easily. Dual scale display provides readings of one-thousandth (0-100ppt) and specific gravity (1.000 to 1.070 sg), and replace the hydrometer for easier and more accurate measurement. Easy to use, salinity refractometer is easy to operate, only 2 drops of sample after calibration can get accurate reading through eyepiece. Widely used, can be used for aquarium, marine monitoring, agriculture, horticulture and educational purposes (biological projects).

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9.3
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Automatic Temperature Compensation Sea Water Salt Salinity Refractometer for Aquarium, 0% - 10% & 1.0 to 1.070 S.g. Dual Scale Hydrometer By Adeadvancedoptics
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Ade Advanced Optics Automatic Temperature Compensation Sea Water Salt Salinity Refractometer for Aquarium, 0%

10% & 1.0 to 1.070 S.g. Dual Scale Hydrometer By Adeadvancedoptics

by Ade Advanced Optics®
What We like

Easy and simple to use. More Accurate Than Your Homebrew Hydrometer

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Product Features

  • Quick Results (Faster Than Your Homebrew Hydrometer)
  • Ranges: 0-100 ppt of Salinity and 1.000 to 1.070 Specific Gravity
  • Automatic Temperature Compensating Refractometer

Ranges: 0-100 ppt of salinity and 1.000 to 1.070 specific gravity Quick results (faster than your homebrew hydrometer) Automatic temperature compensating refractometer

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9.3
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Premium Salinity Refractometer with Automatic Temperature Compensation for Saltwater, Aquarium, Marine Reef Tank Testing - Dual Scale (0-100ppt & 1.000 to 1.070 S.G.)
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ONE250 Premium Salinity Refractometer with Automatic Temperature Compensation for Saltwater, Aquarium, Marine Reef Tank Testing

Dual Scale (0-100ppt & 1.000 to 1.070 S.G.)

by ONE250
What We like

Ideal for on-site measurements in processing and storage areas, or in the field

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Product Features

  • Provides reading in parts per thousand (0-100PPT) and specific gravity (1.000 to 1.070 SG)
  • Measures concentration of salt and dissolved solids in aqueous solution
  • Hand-held analog salt meter; Light-weight, portable, includes protective carrying case
  • Determine salinity during preparation of pickles, seafood products, frozen vegetables and fruits

measures concentration of salt and dissolved solids in aqueous solution provides reading in parts per thousand (0-100ppt) and specific gravity (1.000 to 1.070 sg) determine salinity during preparation of pickles, seafood products, frozen vegetables and fruits hand-held analog salt meter; light-weight, portable, includes protective carrying case

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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.
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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
What We like

Aircraft aluminum body, premium optical lens, rubber eye guard

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Product Features

  • Resale quality - 50 percent heavier than the soft case cheap units
  • Dual salinity scale - 0-local stock for fast shipment 100Ppt & 1.000-1070 salinity sg
  • Local stock for fast shipment
  • Automatic temperature compensating refractometer

Dual salinity scale - 0-local stock for fast shipment 100ppt & 1.000-1070 salinity sg Local stock for fast shipment Resale quality - 50 percent heavier than the soft case cheap units Automatic temperature compensating refractometer

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Ade Advanced Optics Dual Scale 1.0 to 1.070 S.G. Salinity Refractometer for Aquarium & Seawater
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Ade Advanced Optics Dual Scale 1.0 to 1.070 S.G. Salinity Refractometer for Aquarium & Seawater

by Ade Advanced Optics
What We like

Sturdy design, compact in size and light in weight, convenient to keep up and carry around.

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Product Features

  • One scale checks the NaCl levels with the range of 0-100 ppt (with 1 ppt scale divisions) and the other scale gauges Specific Gravity with a range of 1.000 to 1.070(+/-0.001 accuracy)
  • It is suitable for a marine saltwater tank.
  • Features ATC (Automatic Temperature Compensation) for accurate readings.

Features atc (automatic temperature compensation) for accurate readings. One scale checks the nacl levels with the range of 0-100 ppt (with 1 ppt scale divisions) and the other scale gauges specific gravity with a range of 1.000 to 1.070(+/-0.001 accuracy) It is suitable for a marine saltwater tank.

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Eyourlife Salinity Refractomer Aquarium Optical Optics Refractometer with Auto Temperature Compensation ATC Digital Dual Scale Salinity Meter Hydrometer Specific Gravity for Saltwater Seawater Marine
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Eyourlife Salinity Refractomer Aquarium Optical Optics Refractometer with Auto Temperature Compensation ATC Digital Dual Scale Salinity Meter Hydrometer Specific Gravity for Saltwater Seawater Marine

by Eyourlife
What We like

PACKAGING: 1 x Salinity Refractometer, 1 Pipette, 1 x Instruction manual, 1 x Mini screwdriver, with a durable storage case.

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Product Features

  • SALINITY REFRACTOMETER for measuring the salinity of salt water quickly and accurately, ideal for agriculture, industry and research application, such as Mariculture, Fish Culture, Aquarium, Marine Survey, Water Quality Monitoring, Salt Production, Manufacture of Normal Saline, Salinity Measurement in Food Processing etc. It can also be used for medical institutions and university research.
  • DUAL SCALES: The Refractometer is a equipment to measure the liquidconcentration(the concentration of salt) by using the light, working basis on that the liquid with different concentrations have different light refractive index. The Measures on 2 scales: Specific Gravity (0.001, Range: 1.000 - 1.070, D 20/20,) and Parts Per Thousand (1, Range: 0-100).
  • WITH DURABLE STORAGE CASING: With a sturdy and light weighted case, it is very convenient to storage and carry. The body is made of stainless steel and is very durable, the eyepiece is in high quality for better viewing, adopting optical glass lens rather than plastic lens for accurate measurement.

Salinity refractometer for measuring the salinity of salt water quickly and accurately, ideal for agriculture, industry and research application, such as mariculture, fish culture, aquarium, marine survey, water quality monitoring, salt production, manufacture of normal saline, salinity measurement in food processing etc. it can also be used for medical institutions and university research. With durable storage casing: with a sturdy and light weighted case, it is very convenient to storage and carry. the body is made of stainless steel and is very durable, the eyepiece is in high quality for better viewing, adopting optical glass lens rather than plastic lens for accurate measurement. Dual scales: the refractometer is a equipment to measure the liquidconcentration(the concentration of salt) by using the light, working basis on that the liquid with different concentrations have different light refractive index. the measures on 2 scales: specific gravity (0.001, range: 1.000 - 1.070, d 20/20,) and parts per thousand (1, range: 0-100).

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TRZ Salinity Refractometer for Aquariums, Marine Monitoring, Saltwater Testing, Dual Sacle 0-100ppt Salinity & 1.000-1.070 Specific Gravity Automatic Temperature Compensation.
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TRZ Salinity Refractometer for Aquariums

Marine Monitoring, Saltwater Testing, Dual Sacle 0-100ppt Salinity & 1.000-1.070 Specific Gravity Automatic Temperature Compensation.

by Hamh Optics&Tools
What We like

It is more accurate than a hydrometer and easy to measure. Designed for the testing the concentration of salt water and brine, perfect for use with aquarium Marine monitoring and quality control in scientific research and clinical laboratories

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Product Features

  • The refractometer's body and the retaining ring are made of brass and chrome plated. The internal optical lens with high refractive index make up the precision optical system.
  • Please ignore reviews from Diver. This commentator has a suspicion of being hired. Seller opponents use unfair means to compete
  • Measurement range: Salinity 0 - 100 ppt, (0 - 10% salt content), SG 1.000 to 1.070 SG, Resolution: Salinity +/-1 ppt; +/-0.001 SG
  • Easy to use. Place 2 drops sample on the main Prism and close the panel and hold the refractometer up to the light and look through the eyepiece.

The refractometer's body and the retaining ring are made of brass and chrome plated. the internal optical lens with high refractive index make up the precision optical system. Measurement range: salinity 0 - 100 ppt, (0 - 10% salt content), sg 1.000 to 1.070 sg, resolution: salinity +/-1 ppt; +/-0.001 sg Easy to use. place 2 drops sample on the main prism and close the panel and hold the refractometer up to the light and look through the eyepiece. Please ignore reviews from diver. this commentator has a suspicion of being hired. seller opponents use unfair means to compete

14
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Ade Advanced Optics aaosal-B Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, 0% - 10% and 1.0 to 1.070 S.G. Dual Scale Hydrometer, Black
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Ade Advanced Optics aaosal-B Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, 0%

10% and 1.0 to 1.070 S.G. Dual Scale Hydrometer, Black

by Ade Advanced Optics
What We like

Aircraft aluminum body, premium optical lens, rubber eye guard

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Product Features

  • Easy and simple to use, more accurate than your homebrew hydrometer
  • Automatic temperature compensating refractometer
  • Quick results (faster than your homebrew hydrometer), ranges: 0-100 ppt of salinity and 1.000 to 1.070 specific gravity

Easy and simple to use, more accurate than your homebrew hydrometer Automatic temperature compensating refractometer Quick results (faster than your homebrew hydrometer), ranges: 0-100 ppt of salinity and 1.000 to 1.070 specific gravity

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Aquarium Salinity Refractometer for Brackish/Marine/Reef Tank Testing,Hobein Dual Scale Automatic Temperature Compensation 0-100ppt & 1.000-1.070 Specific Gravity with ATC
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Hobein Aquarium Salinity Refractometer for Brackish/Marine/Reef Tank Testing

Hobein Dual Scale Automatic Temperature Compensation 0-100ppt & 1.000-1.070 Specific Gravity with ATC

by Hobein
What We like

PORTABLE AND DURABLE: Made with non-staining, non-corrosive and non-reactive aluminum material, light-weighted and portable, safe and durable

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Product Features

  • EASY TO USE:Automatic Temperature Compensation (ATC),Just need 2-3 drops of solution,you will be able to read accurately the result
  • PACKAGE INCLUDES: 1 Refractometer, 1 Carrying Case, 1 Calibrating Screw Driver, 2 Pippets, 1 Cleaning Clothe, 1 Instruction Manual
  • APPLICATIONS: Aquariums, Marine Monitoring, Agricultural, Gardening & Educational Purposes (Biology Projects)
  • DUAL SCALE: Measuring Ranges: 0-100 ppt of Salinity and 1.000 to 1.070 Specific Gravity (0-10%)the reading resolution is 0.1 %. Salinity Accuracy: +/-0.1%

Easy to use:automatic temperature compensation (atc),just need 2-3 drops of solution,you will be able to read accurately the result Dual scale: measuring ranges: 0-100 ppt of salinity and 1.000 to 1.070 specific gravity (0-10%)the reading resolution is 0.1 %. salinity accuracy: +/-0.1% Applications: aquariums, marine monitoring, agricultural, gardening & educational purposes (biology projects) Package includes: 1 refractometer, 1 carrying case, 1 calibrating screw driver, 2 pippets, 1 cleaning clothe, 1 instruction manual

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KKmoon Salinity Refractometer, Handheld Seawater Hydrometers, Optical Salinity Tester, Portable ATC Refractometer, Dual Scale Saltwater Tester for Aquarium, Seawater, Pool, Fish Tank
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KKmoon Salinity Refractometer

Handheld Seawater Hydrometers, Optical Salinity Tester, Portable ATC Refractometer, Dual Scale Saltwater Tester for Aquarium, Seawater, Pool, Fish Tank

by KKmoon
What We like

Handheld design and non-slip rubber handle for easy operation.

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Product Features

  • Measure salt water or salinity of water, ideal for aquariums and marine monitoring.
  • Instant Reading Result: Just need 2-3 drops of solution and a few seconds, you can get accurate readings.
  • Built-in automatic temperature compensation(ATC) to get faster results.
  • With measurement level for direct reading. Adjustable manual focus, easy to focus and calibrate.

Measure salt water or salinity of water, ideal for aquariums and marine monitoring. Built-in automatic temperature compensation(atc) to get faster results. With measurement level for direct reading. adjustable manual focus, easy to focus and calibrate. Instant reading result: just need 2-3 drops of solution and a few seconds, you can get accurate readings.

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8.6
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Tiaoyeer Salinity Refractometer with ATC Refractometer for Seawater, Pool, Tank, Testing, Marine, Fishkeeping, Dual Scale-Specific Gravity 0-100PPT & 1.000-1.070
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Tiaoyeer Salinity Refractometer with ATC Refractometer for Seawater

Pool, Tank, Testing, Marine, Fishkeeping, Dual Scale-Specific Gravity 0-100PPT & 1.000-1.070

by hsydzsy329
What We like

PORTABLE SALINITY CONTENT TESTER: Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry around.

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Product Features

  • WIDE USE: The Salinity Refractometer is ideal for Marine Monitoring, Aquariums Water Monitoring, Swimming Pool Water Measuring, Lab or Industrious Purposes.
  • ADVANCED AUTOMATIC TEMPERATURE COMPENSATIONATCTECHNOLOGYAdjust Automatically to Compensate for Temperature, Which makes it even easier to get fast results.
  • ACCURATE READINGS : The Aquariums refractometer can measure on 2 Scales Aquariums refractometer features Specific Gravity (D 20/20) 1.000-1.070sg and parts per thousand 0-100PPT (1=1ppt=1000ppm)
  • SIMPLY USE: Using the dropper to take a sample of wort and put it on the prism. Then hold the refractometer up to the light and look scale through the eyepiece.

Accurate readings : the aquariums refractometer can measure on 2 scales aquariums refractometer features specific gravity (d 20/20) 1.000-1.070sg and parts per thousand 0-100ppt (1=1ppt=1000ppm) Simply use: using the dropper to take a sample of wort and put it on the prism. then hold the refractometer up to the light and look scale through the eyepiece. Advanced automatic temperature compensationatctechnologyadjust automatically to compensate for temperature, which makes it even easier to get fast results. Wide use: the salinity refractometer is ideal for marine monitoring, aquariums water monitoring, swimming pool water measuring, lab or industrious purposes.

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AquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED)
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AquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing

Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED)

by Center Optoelectronics Technology Company Limited
What We like

PREMIUM PACKAGE INCLUDES: 1 Refractometer with LED (CR1220 3V battery included) installed on plate prism, 1 spare plate prism (without LED), 1 Hard Carrying Case, 1 Calibrating Screw Driver, 3 Pippet, 1 Cleaning Clothe, 1 Instruction Manual

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Product Features

  • AFFORDABLE high quality while providing PROFESSIONAL testing equipment standards, accurate even at low salt levels
  • AUTOMATIC TEMPERATURE COMPENSATION (ATC): Automated to provide accurate measurements even with temperature fluctuations
  • DUAL SCALE REFRACTOMETER: Measures in Salinity 0 - 100ppt and Specific Gravity 1.000 - 1.070
  • IDEAL APPLICATIONS: Aquariums, Marine Monitoring, Agricultural, Gardening & Educational Purposes (Biology Projects)

automatic temperature compensation (atc): automated to provide accurate measurements even with temperature fluctuations dual scale refractometer: measures in salinity 0 - 100ppt and specific gravity 1.000 - 1.070 ideal applications: aquariums, marine monitoring, agricultural, gardening & educational purposes (biology projects) affordable high quality while providing professional testing equipment standards, accurate even at low salt levels

19
8.5
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HunterBee Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation
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HunterBee Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation

by 步仁科技
What We like

5.Easily adjusted zero line by means of readily accessible screw.

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Product Features

  • 1.for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation
  • 2.Designed for direct reading of salt density in sea water.
  • 3.Rugged, durable construction - made from corrosion resistant brass.
  • 4.High contrast demarcation line for easy, accurate readings.

3.rugged, durable construction - made from corrosion resistant brass. 4.high contrast demarcation line for easy, accurate readings. 2.designed for direct reading of salt density in sea water. 1.for seawater and marine fishkeeping aquarium 0-100 ppt with automatic temperature compensation

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8.5
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Dual Scale Salinity Refractometer ATC 0-100ppt (0-10%) & 1.000-1.070 Specific Gravity, Portable Meter Tester for Seawater Salt Sea Water Aquarium Brackish Reef Tank Marine
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Gain Express Dual Scale Salinity Refractometer ATC 0-100ppt (0-10%) & 1.000-1.070 Specific Gravity

Portable Meter Tester for Seawater Salt Sea Water Aquarium Brackish Reef Tank Marine

by Gain Express Holdings Ltd
What We like

Calibrate simply by distilled water, comes with free screwdriver for calibration

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Product Features

  • Range: 0-100ppt (0-10% Salinity) and Density/ Specific Gravity 1.000-1.070 1ppt Salinity and 0.001 g/cm3 Density Resolutions
  • Has automatic temperature compensation (ATC) and has built with the highest and finest quality of aluminum & rubbe
  • Water or a salt (brine) refractometer preferred by aquarist, itchecks saltwater & brine or salinity of water, best for aquariums and marine monitoring
  • True seawater or a salt (brine) refractometer preferred by aquarist

Has automatic temperature compensation (atc) and has built with the highest and finest quality of aluminum & rubbe True seawater or a salt (brine) refractometer preferred by aquarist Water or a salt (brine) refractometer preferred by aquarist, itchecks saltwater & brine or salinity of water, best for aquariums and marine monitoring Range: 0-100ppt (0-10% salinity) and density/ specific gravity 1.000-1.070 1ppt salinity and 0.001 g/cm3 density resolutions

21
8.2
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Amzdeal Salinity Refractometer Aquarium & Seawater - Dual Scale (1.0 to 1.070 S.G.)
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Amzdeal Salinity Refractometer Aquarium & Seawater

Dual Scale (1.0 to 1.070 S.G.)

by Amzdeal
What We like

Easy to UseUsing distilled water to calibrate and then you can measure the saltwater and get the result

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Product Features

  • Package ContentCome with all the accessories, including Dropper, Screwdriver, Cleaning Cloth, Storage Case and User Manual
  • Dual Salinity ScaleSalt content 0 ~ 100 (0 ~ 10%) and Salt specific gravity 1.000 ~ 1.070sg. Minimum scale is 1 (0.1%) or 0.001sg, more precise
  • Widely UseThis refractometer can be used to measure the salt content or sugar content, good for aquariums and marine monitoring
  • Automatic Temperature Compensation Hand-held ATC refractometer, can be used in the temperature 5-30 / 41-86

Automatic temperature compensation hand-held atc refractometer, can be used in the temperature 5-30 / 41-86 Widely usethis refractometer can be used to measure the salt content or sugar content, good for aquariums and marine monitoring Package contentcome with all the accessories, including dropper, screwdriver, cleaning cloth, storage case and user manual Dual salinity scalesalt content 0 ~ 100 (0 ~ 10%) and salt specific gravity 1.000 ~ 1.070sg. minimum scale is 1 (0.1%) or 0.001sg, more precise

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SunGrow Measure Salinity of Water with Aquarium Refractometer, Remarkable Accuracy, Includes Calibration Tool, Ensures Overall Health of Plant and Marine Life, Easy and Clear Reading
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SunGrow Measure Salinity of Water with Aquarium Refractometer

Remarkable Accuracy, Includes Calibration Tool, Ensures Overall Health of Plant and Marine Life, Easy and Clear Reading

by Luffy Pets Collection
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Salinity Refractometer, Seawater Salinity Meter Aquarium Optics Refractometer Temperature ATC Digital 0-10%
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Pomya Salinity Refractometer

Seawater Salinity Meter Aquarium Optics Refractometer Temperature ATC Digital 0-10%

by Pomya
What We like

Soft and flexible eyepiece for added comfort.

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Product Features

  • Adjust the focus by twisting the handle. Instant and reliable aqueous solution measurement.
  • Durable aluminum body, durable and can use for a long time.
  • 0 to 10% salinity, 0.01% scale.
  • Compact design with rubber handle.

Adjust the focus by twisting the handle. instant and reliable aqueous solution measurement. Compact design with rubber handle. 0 to 10% salinity, 0.01% scale. Durable aluminum body, durable and can use for a long time.

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Lasamot Portable Handheld ATC Salinometer Seawater Salinity Refractometer Salinity Meter Aquarium Salinity Refractometer Halometer Salt Gauge Saltwater Test Kit 0-10% Salinity
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Lasamot Portable Handheld ATC Salinometer Seawater Salinity Refractometer Salinity Meter Aquarium Salinity Refractometer Halometer Salt Gauge Saltwater Test Kit 0-10% Salinity

by Lasamot
What We like

Lightweight and portable, the salinometer is simple designed and easy to operate.

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Product Features

  • Adjustable manual focus for easily focus and calibrate.
  • For measuring seawater (Marine aquariums) or solution with very low salt concentrations.
  • Automatic temperature compensation (ATC) for immediate and accurate calibration reading.
  • High p-recision prism with clearly measurement level.

For measuring seawater (marine aquariums) or solution with very low salt concentrations. Automatic temperature compensation (atc) for immediate and accurate calibration reading. Adjustable manual focus for easily focus and calibrate. High p-recision prism with clearly measurement level.

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Refractometers Salinometer, Seawater Salinity Meter Aquarium Optics Refractometer Temperature ATC Digital 0-10% Refractometers Salinometers Aquarium Sea Water Brine Hydrometer Measurement Tool
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Yosoo Refractometers Salinometer

Seawater Salinity Meter Aquarium Optics Refractometer Temperature ATC Digital 0-10% Refractometers Salinometers Aquarium Sea Water Brine Hydrometer Measurement Tool

What We like

STRUCTURE & DESIGN: Copper construction, main prism + daylight plate + calibration screw + rubber grip + focus adjustment + eyepiece. You can adjust the prism when you can not see scale clearly. The Soft rubber eye piece makes you have a comfortable viewing.

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Product Features

  • EASY TO USE: Place 2 drops sample on the main Prism and close the panel and hold the refractometer up to the light and look through the eyepiece.
  • FULL KIT: 1 x Storage Case with Inner Protective Tray, 1 x Salinity Refractometer ,1 x Mini Screwdriver?, 1 x Cloth, 1 x Pipette?, 1 x Instruction Manual.
  • MEASUREMENT RANGE: 0 to 10% salinity, 0.01% scale.
  • WIDE USAGE: the salinity refractometer can test the concentration of salt water, perfect for aquarium marine monitoring in scientific research and clinical laboratories.

Easy to use: place 2 drops sample on the main prism and close the panel and hold the refractometer up to the light and look through the eyepiece. Full kit: 1 x storage case with inner protective tray, 1 x salinity refractometer ,1 x mini screwdriver?, 1 x cloth, 1 x pipette?, 1 x instruction manual. Wide usage: the salinity refractometer can test the concentration of salt water, perfect for aquarium marine monitoring in scientific research and clinical laboratories. Measurement range: 0 to 10% salinity, 0.01% scale.

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