Reviews Saltwater Refractometer

Salmue Gem Refractometer,Jewelry RHG181 1.30-1.81 Professional Gemstone ldentification Gem Refractometer for Gemologists' Travel/Portable Lab Suitcase.

  • Specially designed: This refractometer is designed to measure the refractive index of gemstones and solid materials. Many people think that gem refractometers are the most important of all gem test instruments. The primary use of a refractometer is to measure the angle at which light is bent or refracted through a stone..
  • High precision, compact and easy to carry: The refractometer is highly accurate and easy to operate. Lightweight and compact, it is easy to carry. It provides important gemstone recognition as it differs from gemstones to gemstones. The refractometer is also one of the few instruments that can provide you with information on opaque gems and transparent gems..
  • High quality: low battery consumption and long service life. The possible gems continue to be eliminated by values ​​such as R.I., Color, Hardness and S.G. The transparent gemstone is tested and the surface is polished flat, which is very suitable for separating gemstones..
  • Quick identification: Quickly and accurately identify single and double gems. Helps identify diamonds, moissanite and colored gems, speeds up the identification of gems in the package, does not require RI liquids, and results in uniform and reliable results each time, with a clearly visible display for easy....
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Honey Refractometer with ATC - Tiaoyeer Refractometer for Honey Moisture, Brix and Baume, 58-90% Brix Scale Range Honey Moisture Tester (Honey Refractometer)

  • ACCURATE READINGS : The Honey refractometer can measure Brix (sugar): 58-90%, Resolution: Brix (sugar): 0.2%, 10-32% water with 0.2% reading.
  • ADVANCED AUTOMATIC TEMPERATURE COMPENSATION（ATC）TECHNOLOGY：Adjust Automatically to Compensate for Temperature, Which makes it even easier to get fast results..
  • 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, more accurate to measure sugars in verities of melon, fruits or juice..
  • WIDE USE: The Honey Refractometer is ideal for measuring honey, condensed milk, vegetable oils, sugar syrup, fruit jam and molasses..
  • PORTABLE HONEY 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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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..
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Brix Refractometer with ATC - Tiaoyeer Digital Handheld Refractometer for Beer Wine Brewing, Dual Scale-Specific Gravity 1.000-1.130 and Brix 0-32%

  • ACCURATE READINGS : The Brix refractometer can measure brix between 0-32%±0.2% and Specific Gravity between 1.000-1.130, Brix Accuracy: +/-0.2%..
  • ADVANCED AUTOMATIC TEMPERATURE COMPENSATION（ATC）TECHNOLOGY (10℃~30℃)： Adjust Automatically to Compensate for Temperature, Which makes it even easier to get fast results..
  • 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, more accurate to measure sugars in verities of melon, fruits or juice..
  • WIDE USE: The Brix Refractometer is ideal for Home Brew, Agricultural, Gardening & Educational Purposes, sugar content..
  • PORTABLE SUGAR 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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Aquatop Vertical Bowfront Glass Aquarium, 5-Gallon – Safe for Freshwater & Saltwater, Desktop Fish Tank, All in One Tank with Filter, LED Light, High Clarity & Low Iron Glass

  • This Coralife Size 32 BioCube Aquarium Ultimate Reef Bundle combines almost everything you will need to get your BioCube started, plus some key upgrades: the IceCap ATO (auto top off) and Hydor Aqamai WiFi Controllable Wavemaker Pump..
  • Included with the Size 32 LED BioCube Aquarium are the: BioCube Stand.
  • Hydor Aqamai WiFi Controllable Wavemaker Pump.
  • CaribSea Seafloor Special Grade Reef Sand, 12 pounds.
  • Two Little Fishies AccuraSea1 Artificial Saltwater Mix, 30 gallons (5 bags only)..
  • Also included are Egg Crate, Black Styrene, 15" x 11.5".
  • Aquarium Pharmaceuticals Reef Master Test Kit.
  • Two Little Fishies Aquastik Aquarium Epoxy Putty, Red, 2 oz.
  • The included Stand is the NEW AND IMPROVED BIOCUBE STAND. This NEW & IMPROVED VERSION features a solid back panel for added stability. No glue is required..
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Gem Refractometer, RHG181 1.30-1.81 Jewelry Professional High Accuracy Gemstone ldentification Portable Gemological Gemelogy Refractometer with Electric Torch, Reflective Index Fluid for Gemologists

  • Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones..
  • Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones..
  • This Gemological refractometer is a low cost, lightweight measuring instrument used by jewellers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI..
  • The instrument can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial)..
  • In fact, you can also use this tool to measure R.I. for many minerals in crystal form as long as the crystals have a flat and polished face..
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iTavah Brix Refractometer with ATC, Hydrometer for Wine Making and Beer Beer Brewing, Dual Scale, Brix 0-32%, Specific Gravity 1.000-1.130

  • DUAL SCALE:Rapidly and precisely display the Brix (0-32%) and Specific Gravity (1.000-1.130) at the same time, no need to switch unit for readings each time!.
  • ACCURATE READINGS WITH ATC: Hand Held Brewing Refractometerr with Automatic Temperature Compensation(ATC), the brix refractometer will account for changes in ambient temperature and automatically compensate accordingly to Provides accurate and repeatable measurements on easy to read scale..
  • EASY TO USE: Just take a drop or 2 of your brew on the prism and hold the refractometer to the light, then look through the eyepiece to get the reading. No lookup table needed and no waste!.
  • UNIVERSAL FIT: Ideal for Home Brew, Wine making, Agricultural, Gardening & Educational Purposes..
  • PORTABLE COMPACT PACKAGE: The refractometer comes with dropper, screwdriver, user manual and cleaning cloth, all included in a hard compact case, the item dimensions is 8"x3"x2.
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SMARTSMITH Car Antifreeze Refractometer °F Dispay 4 in 1 Ethylene Glycol, Propylene Glycol in Antifreeze Liquids Freezing Point Temperature and Freezing Point Concentration, Automotive Battery Liquid

  • °F UINT,US BASED DESIGN:You may already got frustrated with those °C display or not American unit.Unlike most other companies,as a US designed brand,our refractometer designed showing °F,only one unit system.With the indication you may easily know the freezing point of either ethylene glycol or propylene glycol based cooling systems,check the window washer Fluid..
  • 4 IN 1 DISPLAY&EASY TO USE:Ethylene Glycol: -60°F-32°F,Propylene Glycol: -60°F-32°F,Battery SG: 1.100-1.400sg,Urea:30%-35%,Windshield Washer Fluid: Ethanol + water :32°F to -40°F, propylene glycol + water (SRF1): 32°F to -40°F。With the 4 in 1 display,you can master full condition of your car,track.A must have item for your cars.Only takes about 2 drops of solutions to get your readings easily.Designed for simple use,No look up table,only 2 steps ,2 drops and even 1 glances to know your reading..
  • ATC(AUTOMATIC TEMPERATURE COMPENSATION):Handheld antifreeze refractometerr with Automatic Temperature Compensation(ATC),no more worry about the temperature change will influence the reading accuracy.the refractometer will account for changes in ambient temperature and automatically compensate accordingly to provides accurate and repeatable measurements..
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Digital Salinity Tester for Salt Water - Aquarium Salinity Meter with ATC, IP67 Waterproof, 0-200 PPT Large Range Multi-Parameter Tester for Seawater, Fish Tank, Hydroponics

  • [Large Salinity Range] Ciztada salinity tester has 2 measurement modes, scale range: 0~9999 ppm/10.0~200 ppt and 0.00-25.00%, which is 2 times than the salinity refractometer.
  • [Automatic Temperature Compensation] Notice: We recommend waiting for a while to observe the measurement results for more accurate reading. Ciztada salinity tester is equipped with ATC part inside, during normal temperature, once calibrated, the temperature change would never affect the accurate of your measuring result..
  • [Easy Reading with LCD Backlight] There is no need to worry about seeing the displayed value if the light is insufficient. Ciztada salinity meter features a green backlit LCD to help you see the measurement results clearly in any situation.
  • [Multifunctional Salinity tester]: The Ciztada multi-parameter Tester can test Salinity, TDS, EC and Temperature in an accurate, quick and reliable manner for most regular water solutions' testing. Support One-tap switch from salinity to TDS/EC.
  • [Wide Applications]: Measures saltwater or salinity of water, ideal for aquarium, marine monitoring, salty pools & spas, koi fish pond, hydroponics and etc.
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