Best Salinity Refractometer With Internal Light

JOR Refractometer, Dual-Range Scale Device to Measure Salinity and Specific Gravity of Saltwater Aquarium and Reef Tank, Provides Accurate Reading, No Batteries Required, 1 Set per Piece

  • Dual-Range Scale Refractometer --- A healthy saltwater aquarium requires a salinity balance or the salt concentration in aquarium water. Refractometer by JOR helps maintain this fundamental parameter in your saltwater aquarium or reef tank, measuring both salt percentage and specific gravity. This measuring tool has a scale range of 0 to 100%, where 1% means one part per thousand (PPT) or 1000 parts per million (PPM) and with a corresponding specific gravity range of 1.000 to 1.070..
  • Provides Accurate Measurement Reading --- Forget guessing and estimating. This handy refractometer features automatic temperature compensation that gives precise, faster and easier readings..
  • Easy To Use --- Place 2 to 3 drops of aquarium water on the glass, then close the plastic cover. Look through the eyepiece as you hold it under a light source. Check the reading. The blue line indicates the exact salinity level..
  • High Quality And Economical --- This premium quality handheld refractometer has an aluminum alloy body, rubber grip, and adjustable focus. It doesn’t corrode, and since it is analog, it can also save you money because it doesn’t need batteries to operate, sparing you from buying replacements..
  • Complete Care Set --- This portable measuring device c....
Check Stock

FJDynamics Digital Brix Refractometer with ATC, Range 0-32%, Rechargeable Refractometer, Refractive Index, Measurement for Salinity, Fruit, Beer, Wine, Resolution 0.05%, Accuracy±0.1%

  • Multi-Function – Test Brix, Salinity, suitable for fruit and vegetable growers, maple syrup producers, home wine brewing hobbies. Used for food, fruit, beverage, coffee, wine, etc..
  • High Precision & Fast measurement — Accuracy ±0.1%, Resolution 0.05%, Meter Range 0-32%, to get the results within 2s..
  • Accurate Readings With ATC — Built with Automatic Temperature Compensation (ATC), FJD brix refractometer delivers accurate readings even if the measurements are in different temperatures (between 5°- 45°C)..
  • Waterproof & Durable — IP67 Design makes it possible for you to wash the refractometer with flowing water. Pretty durable to pass the 1.5M dropping test..
  • Portable FJDynamics Refractometer — Compact in size and light in weight, easy-to-read OLED screen, fast charging. It takes only 1 hour to be fully charged..
Check Stock

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

  • 【AUTOUTLET Salinity Refractometer】This salinity tester is used to measure salinity of brine/seawater, monitor and control the concentration of saltwater. Ideal for aquariums and marine applications..
  • 【Measures on 2 Scales】This saltwater hydrometer measures on dual scales: specific gravity and salinity. Ideal for aquariums, marine monitoring, agriculture, gardening and educational purposes..
  • 【Measurement Range】Density of 1.0-1.070 with min scale of 0.001. Concentration of 0-100‰, with min scale of 1‰ (1‰=1PPT=1000PPM, PPT means “parts per thousand”, PPM means “parts per million”).
  • 【With ATC Function】ATC compensation Range (i.e. Built-in Automatic Temperature Compensation System) from 10℃ to 30℃..
  • 【Solid and Lightweight】Salinity meter is made of durable aluminum, which is non-staining, non-corrosive and rustless. Also, it's compact in size with rubberized grip handle, very easy to carry..
Check Stock

Salinity Refractometer for Seawater Aqaurium Fishkeeping Salinity Tester Meter Dual Scale-Specific Gravity Salinity Hydrometer 0-100PPT & 1.000-1.070

  • Dual Scale: this aquariums reqrium measures saltwater soultion and provides readings of 0-100PPT parts per thousand, Specific gravity 1.000 to....
  • Widely Use: Saline meter is ideal for aquarium marine fish-keeping, saltwater pool, agricultural, gardening and lab education purposes.
  • Accurate Refractometer: Saltwater tester can automatically compensate temperatue when the ambient temp changes, which allows the refractometer....
  • Simple to Use: salinity refractometer is easy to operate only 2-3 drops of sample solution after calibration, you can get the accurate reading through....
  • Durable & Portable: This saltwater meters are made of aluminum material, non-staining, anti-rusty and sturdy design, compact in size and lightweight,....
Check Stock

RCYAGO Bluetooth Brix Refractometer with ATC, Digital Coffee Densitometer Coffee Concentration Refractometer, Range 0-32% Brix Meter TDS 0-26%

  • Brix TDS Meter with Bluetooth: 6 in 1 Brix, refraction index, salinity, moisture content, Baume degree & TDS. smart control by mobile phone APP, full-screen multi-parameter display on mobile phone, It can be used to measure and detect the sugar content and salinity of various fruits. Suitable for beverages, cafes, kitchens, restaurants, offices, etc..
  • Accurate Readings: The Brix TDS refractometer can measure Brix 0-32% and Coffee concentration 0-26%, Resolution: 0.01%, Accuracy: ±0.03%TDS, Temperature: 5-45°C..
  • Automatic Temperature Compensation: Adjust Automatically to Compensate for Temperature, Which makes it even easier to get fast results..
  • USB Smart Charging: Type-C smart fast charging, fast charging, long battery life. Built-in 350mah lithium battery for safe use. Charge for 1 hour can use for 30 days..
  • Portable Sugar Content Tester: Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry around..
Check Stock

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.

  • Resale quality - 50 percent heavier than the soft case cheap units.
  • Automatic temperature compensating refractometer.
  • Aircraft aluminum body, premium optical lens, rubber eye guard.
  • Dual salinity scale - 0-local stock for fast shipment 100Ppt & 1.000-1070 salinity sg.
Check Stock

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

  • ⭐️ 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.
  • ⭐️ AFFORDABLE high quality while providing ⭐️ PROFESSIONAL testing equipment standards, accurate even at low salt levels.
  • ⭐️ STANDARD PACKAGE INCLUDES: 1 Refractometer, 1 Hard Carrying Case, 1 Calibrating Screw Driver, 1 Pippet, 1 Cleaning Clothe, 1 Instruction Manual.
Check Stock

Writiany Digital Coffee TDS Concentration Refractometer, Coffee TDS Concentration Refractometer Digital Brix Refractometer Accuracy ±0.03% TDS Compact

  • Multi Functional Brix Tester: 6 in 1- Brix, Refraction Index, Salinity, Moisture Content, Baume Degree & TDS..
  • Accurate Readings: The digital refractometer can measure Brix 0-32% and Coffee concentration 0-26%, Resolution: 0.01%, Accuracy: ±0.03%TDS, Temperature: 5-45°C..
  • Follow Up Your Data: Smart control by APP to give you your extraction rate and save data via APP for next time use..
  • Fast Charging: Type-C charging port and 1 hour charging can last for 30 days(without continuous use)..
  • Portable Brix Meter: Very compact and easy to carry and it’s much smaller than a typical brix meter refractometer..
Check Stock

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)

  • ⭐️ 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.
  • ⭐️ AFFORDABLE high quality while providing ⭐️ PROFESSIONAL testing equipment standards, accurate even at low salt levels.
  • ⭐️ 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.
Check Stock

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

  • Quick Results (Faster Than Your Homebrew Hydrometer).
  • Easy and simple to use. More Accurate Than Your Homebrew Hydrometer.
  • Automatic Temperature Compensating Refractometer.
  • Ranges: 0-100 ppt of Salinity and 1.000 to 1.070 Specific Gravity.
Check Stock

ZRM&E Seawater Hydrometer for Aquarium Aquaculture Seawater Densimeter Ocean Hydrometer Salinity Meter for Fish Tank Salinity Specific Gravity Test

  • Made of high quality plastic, aquarium transparent, automatic accurate reading brine hydrometer.
  • Accurate, durable and easy to read salt and specific gravity of your marine aquarium, small and waterproof. If the specific gravity is between 1.000-1.019, it indicates that the specific gravity is low.
  • if the specific gravity is between 1.020-1.023, it indicates that the specific gravity is normal.
  • if the specific gravity is between 1.024-1.030, it indicates that the specific gravity is high.
  • The external range of the scale indicates salinity (PPT), and the internal range of the scale indicates gravity. And clearly mark the safe area. Application range: 0-40 degrees (1.000-1.030). If the salinity PPT is between 32-40, it indicates that the salinity is high.
  • if the salinity PPT is between 27-31, it indicates that the salinity is normal.
  • if the salinity PPT is between 0-26, it indicates that the salinity hydrometer is low.
  • Wide range of applications: Suitable for salt water and sea water fish tanks. Perfect for testing salinity and specific gravity of saltwater and seawater tanks, including solubility and specific gravity scales. Suitable for fresh water and sea water.
  • Easy to read swing arm pointer and ultra wide stable base can provide accurate test results.
Check Stock

Redxiao 【

  • Illumination : Internal Light Source with momentary/power switch.
  • Gem Gemstone Refractometer Built-in LED Light.
Check Stock

Refractometer Concentration Meter, Brix Refractometer, Brix Tester 0-90% for Liquid Sugar Test

  • Accurate measurement---In the measurement of our refractometer concentration meter, the refractive index is made according to the different refractive index of the liquid, which is small and accurate..
  • Simple operation---Our refractometer concentration meter has a simple and easy-to-understand operation method, which is convenient for your use. You can quickly get started and operate..
  • Wide application---This refractometer concentration meter is widely used, this refractometer is suitable for most liquid sugar testing. Can well meet your measurement needs..
  • Convenient to carry---our refractometer is easy to use, durable and small in size and light in weight, making it easy to carry around..
  • Practical and durable---As far as practicality is concerned, the high quality of this refractometer can maintain its high performance for a long time..
Check Stock