ReviewsGem Refractometer

Antifreeze Refractometer for Glycol, Coolant, Battery Acid, Checking Freezing Point, 4 in 1 Antifreeze Coolant Tester for Automobile Antifreeze Systems Windshield Washer Fluid

  • Checking Freezing Point Hydrometer: This antifreeze tester measures range is -50℃ to 0 ℃, designed for measuring of freezing point of automobile antifreeze based on ethylene glycol or polypropylene glycol..
  • Battery Checker: measuring specific gravity of car battery acid, measuring range 1.10 to 1.40 kg/l and allow you quick to know battery charge condition.
  • Windshield Washer Fluid Checking: Measuring range between -40℃ to 0 ℃. Refractometer for measruing windshild washer fluid based on ethanol or isopropyl alcoho.
  • DEF Refractometer: Measuring range is 30% to 35%. Quickly knowing Urea concentration in automobile diesel exhaust fluid (DEF) to ensure your car in a good condition.
  • ATC Refractometer: This antifreeze refractometer with automatic temperature compensation function, no worry about the ambient temperature changes, you can get the results easy and quick.
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Honey Refractometer for Honey Moisture, Brix and Baume, 58-90% Brix Scale Range Honey Moisture Tester, 3-in-1 Uses,with ATC, Ideal for Honey, Maple Syrup, and Molasses, Bee Keeping Supplies

  • ❤3-in-1 scale:Rapidly and precisely display the honey moisture/ brix/ baume. Water Content (Moisture) 12-27%, Brix 58-90%, Be' (Baume) 38-43. Division: 0.5% Water, 0.5% Brix, 0.25 Be'(Baume). At the same time, no need to switch unit for readings each time!.
  • ❤ACCURATE READINGS WITH ATC: Hand Held Honey Refractometer with Automatic Temperature Compensation(ATC), the 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! 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. Perfect for bee-keeping, food industry, agricultural & educational purposes..
  • ❤PORTABLE DURABLE & WARRENTY : Made with non-staining, non-corrosive and non-reactive aluminum material, light-weighted and portable, safe and durable. If you have any issue with your brix refractometer,please do not hesitate to contact us - your....
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Beer Refractometer for Homebrew Beer Wort Meter Dual Scale Specific Gravity 1.000-1.120 and 0-32% Brix Hydrometer for Maple Syrup Wine Making and Beer Brewing

  • DUAL SCALE: 0-32% (±0.2%) Brix and 1.000 - 1.130 Specific Gravity for measuring non-fermented wort. Brix and tasty beer all under your control with....
  • EASY TO USE: Beer wort refractometer with simple structure but high-definition prism, precise scale, adjustable clear vision. Just put 2-3 drops of....
  • ATC REFRACTOMETER: Beer Brewing refractometer can automatically compensate ambient temperature changes, eliminate changes temps cause deviation, allow....
  • DURABLE & PORTALE: These beer hydrometers are made of aluminum and ABS rubber, anti-rust, non-staining and resistant to abrasion, sturdy for long time....
  • WHAT YOU GET: 1 x SG wort refractometer, 1 x mini screwdriver, 1 x 3ml pipette, 1 x Plastic Box, 1 x random color Cleaning cloth, 1 x user manual.....
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Brix Refractometer, Goodes ATC Digital Handheld Refractomete for Homebrew Beer Wort, Wine Fruit Sugar-Specific Gravity 1.000-1.130 and Brix 0-32% (Black)

  • Accurate Reading with ATC: Handheld Brewing Refractometerr with Automatic Temperature Compensation(ATC), no more worry about the temperature change will influence the reading accuracy.the brix refractometer will account for changes in ambient temperature and automatically compensate accordingly to provides accurate and repeatable measurements..
  • Accurate Reading: The Brix refractometer can measure brix between 0-32%±0.2% and Specific Gravity between 1.000-1.130, Brix Accuracy: +/-0.2%, easy to read accurately the result..
  • Portable Sugar Content Tester: Easy to use,sturdy design, compact in size and light in weight, convenient to keep up and carry around..
  • Easy 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 Compatibility: The refractometer is ideal for Home Brew, Wine making, Agricultural, Gardening & Educational Purposes, sugar content..
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Brix Refractometer with ATC, Handheld Brix Meter Hydrometer 0-32% Portable Brix Reader Tester for Measuring Sugar Content in Fruit, Saccharimeter Refractometer for Replacement Brix Hydrometer Set

  • EASY & QUICK MEASURING: After calibration, put 2-3 drops on prism, easier and fast to get the accurate readings. Brix refractometer is much easier than using a hydrometer and needs less sample solution. Affordable than a digital brix refractometer and more accurate than hydrometer.
  • MEASURING SUGAR CONTENT: Brix meter scale 0-32% designed for measuring sugar content in fruit, juice and beverage, monitoring ripeness of growing fruits and vegetables as well as for lab research. Easy for you to control the sugar intake in your daily life juice drinking.
  • AUTOMATIC TEMPERATURE COMPENSATION: 0-32% Brix meter with ATC, which can automatically compensated temp when ambient temperature changes, quick and easier to get the readings.
  • DURABLE & PORTABLE: Sugar refractometer is made of aluminum and ABS rubber, sturdy design, anti-rust and resistant to abrasion and corrosion. Optical lens with high refractive index provide accurate measurement.
  • WHAT YOU GET: Handheld brix refractometer, mini screw driver for calibration, pipette, cleaning cloth, plastic box and plastic box. 12 months quality guarantee, for any questions and please feel free to contact us.
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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,....
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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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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....
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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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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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