Best Digital Gem Refractometer

Gem-n-Eye Refractometer (Digital)

GOOD FEATURES: Lightweight and compact, easy to carry. The product is stable in performance and used by customers who say it is good.
APPLICATION FUNCTION: Identify single and double gems quickly and precisely. You will be very happy with the many uses to meet your needs.
HIGH QUALITY MATERIALS: Low battery consumption for long service time. Good quality is our goal. Only high quality can satisfy customers' satisfaction. Customer satisfaction is our driving force.
DESIGN CONCEPT: Specially designed for measuring the refractive index of gemstones and solid materials. The minimalist design style makes it very suitable for use.
OUTSTANDING ADVANTAGES: This refractometer features high accuracy and easy operation. Considered by many to be the most important of all gem testing instruments.

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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..

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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..

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Antifreeze Refractometer in Fahrenheit, 4-in-1 Anti-Freeze Coolant Refractometer Tester for Checking Freezing Point of Automobile Antifreeze System, Battery Fluid, Glycol, Coolant, Antifreeze Tester

4-in-1 Tester - Measuring Freezing of automoblie antifreeze based on ethylene glycol or propylene glycol -60℉ to 32℉. Measuring Specific Gravity of battery acid 1.10 to 1.40Kg/L. Measuring of Windshield Washer Fluid based on ethanol or isopropyl alcohol -40℉ to 32℉. Measuring Urea Concentration in automobile diesel exhauset fluid (DEF) 30% to 35%.
Display In Fahrenheit - Updated antifreeze coolant refractometer in Fahrenheit (℉) display, allow you easy to read measured results by ℉ unit, no need to units conversion and save your time.
ATC Function - Coolant refractometer Fahrenheit can automatically compensate temperature when ambient temperature changes, eliminate the deviation, you can get the accurate results fast and easier.
Easy To Use - Only need 2 or 3 drops of solution and wait for few seconds, then you get the accurate results. These antifreeze tester needs less sample solution than tradistional hydrometer and less expensive then digital refractometer.
Durable And Portable - Antifreeze coolant tester is made of aluminum and ABS rubber, non-staining, anti-rust and stury for long perfermance. Comes with durable plastic box, portable and easy to take with you.

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0-10% Brix & Cutting Fluid Rhino Handheld Refractometer with Automatic Temperature Compensation Copper Accuracy 0.1%

The Rhino Brix Refractometer HR101 is made of copper and is very sturdy..
Brix Refractometer with Automatic Temperature Compensation ( 50°F~86°F / 10°C~30°C )..
The Rhino Brix Refractometer HR101 can measure Brix between 0 to 10%, the reading resolution is 0.1%..
The Handheld Brix Refractometer complete with a water bottle, calibration mini-screwdriver, English instruction manual, cleaning cloth, plastic....
We provide 2 years of quality warranty and customize services for the 0~10% Brix refractometer..

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Honey Refractometer for Honey Moisture,13-25% Honey Moisture Refractometer Tester with ATC,Measuring Moisture with High Accuracy for Honey, Bee Keeping Supplies

【Professional Honey Moisture Refractometer】The refractometer with ATC is specially designed for measuring the moisture content in honey. It has a high accuracy of 0.1,which is much higher than the cheap refractometer. And the clear scale can accurately and quickly reflect the measurement results. It is an ideal choice for honey suppliers and beekeepers..
【ATC Design】 The refractometer for honey moisture adopts the Automatic Temperature Compensation technology from 10℃ to 30℃ (50 F to 86 F) to reduce the measurement errors caused by different temperatures. The temperature sensor detects the temperature of the prism for temperature compensation, which makes the reading fast and accurate..
【Hand-Held Refractometer】Rugged design, 7.48”x1” small size, light weight and easy to carry around. The ridged outer shell adopts the streamlined design of telescope-shaped,which is easy to grasp.The refractometer body（except eyepiece) is waterproof and can be directly washed with water..
【Easy To Use】Drop 2-3 drops of liquid sample on the prism of the honey moisture refractometer, and then read the reading directly through the eyepiece. No need of measurement or calculation, simple operation, convenient use and time saving..

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Beer Wort Refractometer for Homebrewing Beer Dual Scale Specific Gravity 1.000-1.120 and Brix 0~32% Beerbrewing Refractometer Hydrometer with ATC Autoction Temperature Compensation

2 IN 1 REFRACTOMETER: The brix beer Refractometer with dual scales --- Brix meter scale measures drinks or solution sugar concentration widely used in....
EASY TO OPERATE: This brix refractometer is easy to use, after calibration, put 2 or 3 drops of sample on prism, and towards to light, quick get the....
AUTOMATIC TEMPERATURE COMPENSATION: Beer wort refractometer with ATC function can automatically compensation according to changes in ambient....
PERFECT REPLACE BRIX HYDROMETER: This beer refractometer need less sample solution for making or testing sugar drinks, fruit juice, and home....
ALUMINUM BODY MATERIAL: The refractometer is made of aluminum and ABS rubber, non-staining, resistant to abrasion and anti-corrosion. Lightweight and....

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Ketotek Portable Brix Beer Refractometer with ATC for Beer Wort Wine Fruit Sugar Homebrew Meter Brix 0-32% Specific Gravity 1.000-1.130 Replace Homebrew Hydrometer…

【Brix and SG dual scale】With the dual scale display,you can simultaneously measure Brix (0-32% +/-0.2%) and Specific Gravity (1.000-1.130)..
【Portable Refractometer】The beer wort refractometer is made of aircraft aluminum which is lightweight to carry,anti-scratch and durable. Sturdy....
【Bettery accuracy】With ATC-automatic temperature compensation function. The brix refractometer can adjust Automatically to Compensate for....
【Easy to use】Calibrate the refractometer.Using dropper to drop a drop of wort on the prism and close the cover plate. Then point the refractometer....
【Widely used】This refractometer can replace your hydrometer for easier and more accurate measurements. Good choice for HomeBrew, brewing , wine....

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Ibrewgo Beer Wort Refractometer Dual Scale Specific Gravity 1.000-1.120 + 0-32% Brix Replaces Homebrew Hydrometer

2019 brand new improved design by Ade Advanced Optics. This Abrewgo refractometer is up to 50% more accurate than the silver/black traditional refractometer.
Dual range refractometer measures the Brix and Specific Gravity of your Wort or wine.. Measures Brix: 0-32% and Specific Gravity:1.000-1.120. Features ATC for accurate readings..
This easy to use Refractometer is especially useful in measuring the ripeness (sugar content) of fruit juice, such as grapes, in degrees brix (0-32 ±0.2).
Easily calibrates with TAP water, no need to pay for distilled water. No need separate screw driver, simply turn the adjustment knob to calibrate..
This Refractometer is backed by a 2 Year - No Hassle - Free Replacement Guarantee..

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