Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Best Choice Jiawu New
Digital BRIX Refractometer 0-55% Brix Range, Handheld Pocket High Accuracy BRIX Meter, Digital BRIX Tester Sugar Content 【HIGH ACCURACY】Brix meter has built in excellent chip, high measurement accuracy, sensitive response, fast measurement sNandaga New
Alcohol Refractometer for Spirit Alcohol Volume Percent Measurement 0~80% v/v. Alcohol Volume Meter for Alcohol Liquor P 【Concentration Measurement Range】Turn the eyepiece to adjust the handwheel to make the blue and white lines clear. The sBest Value QUMOX New
QUMOX Refractometer for Brix Testing, 0-32% Scale with ATC, Ideal for Early-Stage sap Monitoring, Fruit Juice, Wine, and Single Scale Design: Measures Brix from 0–32%, ideal for low-sugar liquids such as fruit juice, wine, and sap.GAIN EXPRESS New
Dual Scale Salinity Refractometer ATC 0-100ppt (0-10%) & 1.000-1.070 Specific Gravity, Portable Meter Tester for Seawate ✅Accurate Salinity Measurements: This optical refractometer accurately measures the salinity of seawater or low concentrFUTISKY New
Brix Refractometer with ATC,Digital Handheld Refractometer for Beer Wine Brewing, Dual Scale-Specific Gravity 1.000-1.13 Main body is made of aluminum and ABS rubber, sturdy design, anti-rust and resistant to abrasion and corrosion. OpticalZudoo New
Brix Refractometer, Portable Digital Handheld Brix Refractometer, 0 to 55% Range High Accuracy Brix Meter, Automatic Cal ★【FAST AND ACCURATE READINGS】: Digital Brix refractometer has built in excellent chip, high measurement accuracy, sensitGeneric NewRefractometer for Sugar Content, 0-90% Range, ATC Function, Maple Syrup and Honey Testing, Bee Tools Honey Refractometer 【Precise Sugar Content Testing】This refractometer delivers highly accurate sugar content measurements, ranging from 0-90Fdit NewProfessional Brix Refractometer 0-32%, Sugar & Alcohol Tester for Beer, Wine, Juice, with ATC (10-30°C), Includes Case, Professional Measuring Instrument: Perfectly designed for accurately testing the Brix level of sugar in various liquids,HHTEC NewHHTEC Refractometer 0-90% Brix - Measure Sugar Content for Honey, Syrup, Juice & Drinks - Precise Hand Refractometer wit Easy to use: ideal for measuring honey, syrup, juices, jams, drinks and other liquids.GUPE NewBrix Refractometer, Dual Scale Specific and Brix Digital Handheld Refractometer 0%~32% Honey Moisture Tester, Hydrometer Accurate Work: Built in automatic temperature compensation enables consistent and accurate readings, just work at room tQUMOX NewQUMOX 3-in-1 Honey Refractometer for Moisture, Brix and Baume, 58–90% Brix Scale – No Battery Needed, ATC Optical Tester 3-in-1 Measurement – Quickly measures honey moisture content (12–27%), sugar concentration (Brix 58–90%), and Baume (38–XUMIUZIY NewXUMIUZIY Digital Brix Refractometer, High Brix Tester for Determining Sugar Content, 0-55% Meter with Automatic Calibrat [Accurate Readings] Get accurate Brix measurements with the built-in high- chip for accurate results.QUMOX NewQUMOX 0–28% Salinity Refractometer with ATC, Optical Salt Meter for Sodium Chloride (NaCl) – Sea Water, Brine, Pickle, F Accurate Salt Measurement – Measures salinity from 0% to 28% with ±0.2% precision, ideal for testing salt levels in seawGAIN EXPRESS New0-28% Salinity Refractometer ATC, Sodium Chloride (NaCl) Salt Level Meter Tester, Test Kit for Sea Water Brine Seawater Accurately Measure Salt Concentration: Easily determine the salinity of water containing dissolved salt and minimal otheAgriculture Solutions NewSalinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation, b Measure salt water or salinity of water, ideal for aquariums and marine monitoring.EverTech NewDual Scale 0-32% Brix and 1.000-1.130 SG Handheld Refractometer ATC Beer with Carry Case YS136 Durable Aluminum Body – Made from high-quality aluminum with non-slip ABS rubber grip. Sturdy, rust-resistant, abrasion-Sorandy NewSorandy Professional Gemstone Refractometer with Electric Torch for Easy Identification of Single and Double Gemstones, 【Compact Design】This professional gem refractometer is specifically designed to measure the refractive index of gemstonePOENVFPO NewBrix Refractometer Meter Dual Scale Handheld Measuring Tool for Sugar Brewing, Simple to Use with Clear Reading, for Agr [EFFORTLESS ] Simply place a few drops of liquid on the prism, face it towards light, and view through the eyepiece.GAIN EXPRESS New3-in-1 Automotive Battery Antifreeze Refractometer, -60~0°C Ethylene/ -50~0°C Propylene Glycol/ 1.100-1.400 Battery Flui 3 Scales in 1 : (1)Battery Fluids Specific Gravity (Density): 1.100 - 1.400kg/l ; (2) Ethylene Glycol Freezing Point: -6GAIN EXPRESS New5-in-1 Automotive Battery Antifreeze Refractometer ATC for Specific Gravity, Ethylene Propylene Glycol System & Windshie Portable design & easy to use, with 5 clearly defined scales for the following 3 main uses:Fdit NewAlcohol Refractometer, Professional Handheld Alcohol 0-80% Test Refractometer Wine Tester Meter Measure Instrument 【Alcohol Content Measurement Tool Tester】Alcohol Refractometer designed for testing Spirit Alcohol Volume Percent, for BQUMOX NewQUMOX 3-in-1 Veterinary Refractometer for Urine Specific Gravity & Serum Protein – Dog, Cat, Pet Health Monitor, Optical 3-in-1 Veterinary Testing – Designed for animals, this refractometer tests urine specific gravity for dogs and cats, andQUMOX NewQUMOX 0–80% Brix Refractometer for Sugar Content in Fruit, Juice, Honey, Syrup & Drinks – Optical Tester with ATC, No Ba Wide 0–80% Brix Range – Measures sugar content in fruits, fruit juice, honey, maple syrup, soft drinks, and other sugary10% Off Jaerb NewSalinity Refractometer, 0-100% Handheld Salinometer with Temperature Compensation Salinity Meter Hydrometer, Digital Ref 【ATC FUNCTION】Salinity refractometer with automatic temperature compensation with high- seawater salinity refractometer,Yosoo NewBee Tools Honey Refractometer 58-90% Sugar Content Beekeeping Portable Refractometer Honey Concentration Meter for Honey Precision Measurement: Sharp dividing line (blue-white), good readability (daylight recognizable), adjustable eyepiece fGAIN EXPRESS New0-10% Brix Refractometer with ATC Low-Concentrated Sugar Content Solutions Accuracy 0.1% Maple Sap Cutting Liquid CNC Ma Measuring Range: 0~10 %Brix with 0.1% division and ±0.1%Brix accuracyMTSDM NewMTSDM Digital Handheld Refractometer, Portable Alcohol Refractometer, Brix Refractometers, Hand-held Alcohol Content Mea 【Professional Measurement Instrument】: The sugar tester refractometer is a highly professional tool for accurately measuGAIN EXPRESS NewGain Express 6-in-1 Automotive Car Refractometer ATC for Adblue/Antifreeze/Battery Acid/Windshield Fluid, Coolant Charge 6 SCALES : (1) Battery Fluids, (2) Ethylene Glycol Freezing Point, (3) Propylene Glycol Freezing Point, (4) Cleaning FluGugxiom NewGem Refractometer, Jewelry Refractometer, RHG181 1.30-1.81 Professional Ldentification Gem Refractometer, Gem Portable R ABS MATERIAL: This gem tester is made of ABS material. This material is hard and wear-resistant, which can meet the operLICAEVEY NewDigital Brix Refractometer, 0‑55% Range High Accuracy Brix Tester Meter for Fruit Juice and Coffee Beverage Drinks Sugar HIGH ACCURACY: Brix meter has built in excellent chip, high measurement accuracy, sensitive response, fast measurement sRZ Mask NewRZ Salinity Refractometer Dual Scale Salinity Meter, ATC Professional Salinity Water Test Kit for Aquariums, Marine Moni Measures on 2 Scales: Aquariums refractometer features Specific Gravity (D 20/20) 1.000-1.070sg and parts per thousand 0TOPINCN NewTOPINCN BRIX Refractometer Dual Skala Messer for Sugar Brewing, Reliable Specific Difficult -Strength Evaluation, for Dr [Exact work] Enjoy precise results with automatic temperature compensationLuqeeg NewBrix Refractometer 0~80%, Digital Refractometer, Handheld Sugar Refractometer for Measuring Sugar Content in Fruit, Hone CHUSHEN NewRefractometer,ST335A LCD Digital Refractometer Portable Handheld Honey Refractometer ATC Sugar Percent Tester Sugar Conc 🥁 Practical Refractometer: it is used to test the concentration and refractive index of sugar-containing solutions in fNDNCZDHC NewAntifreeze Refractometer, Glycol Refractometer Car Antifreeze Battery Acid Engine Coolant Tester Tool RHA-503ATC High quality material can make sure the durability and stability of the refractometerGAIN EXPRESS NewClinical Refractometer with ATC, Tri Scale Serum Protein/Urine Specific Gravity/Refractive Index, for Veterinary Dog Cat Human clinical refractometer 3-in-1 testing of Serum protein, Urine specific gravity, and Refractive indexGAIN EXPRESS NewAlcohol Refractometer with ATC 0~80% VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Win MEASURING RANGE : 0-80% v/v (Volume Percentage) DIVISION: 1% (0-60%), 2% (60-80%)YUEHISY NewDigital Brix Refractometer for Fruit Juice and Coffee, Rechargeable Sugar Tester Mete with Auto Temperature Compensation WIDE APPLICATION: Digital brix refractometer is widely used in food, beverage, fruit sugar content determination, crop sFUTISKY NewPrecision Salinity Refractometer for Seawater Aquariums, 0-100 PPT with Automatic Temperature Compensation, Aluminum All Constructed from an aluminium body and ABS rubber, the salinity refractometer is lightweight and extremely durable and cJoyzan NewJoyzan Antifreeze Refractometer, Frost Protection Refractometer ATC for Glycol Coolant Battery Acid Tester Checking The Car Owners’Helper: This antifreeze tester helps measure the specific gravity of battery acid and then provides a quick rTUXIAOT New0-90% Brix Refractometer with ATC, Handheld Sugar Content Tester for Honey, Syrup, Molasses, Fruit Juice & Beverages, Po Wide Range ApplicationsEVTSCAN NewEVTSCAN Handheld Refractometer Ethylene Glycol Concentration Meter Water Battery Fluid Content Meter Tester Light weight and small size, wide range of applications, it can be used for all kinds of different liquid samples.DANOPLUS NewDANOPLUS Honey Moisture 58~90% Brix Refractometer with ATC, Handheld High Measuring Range Sugar Content, Honey, Jelly, J This refractometer is designed for testing the honey nutrient content of honey moisture, glucose brix and glucose baume.QUMOX NewQUMOX 4-in-1 Coolant Refractometer for Antifreeze, Battery Acid, Diesel Exhaust Fluid & Windshield Washer – No Battery N 4-in-1 Fluid Testing – Accurately tests the freezing point of coolant, specific gravity of battery acid, urea concentratTOPINCN NewTOPINCN Brix Refractometer High Accuracy Brix Tester Meter, Suitable for Fruit Sugar Content Detection, PCB Material [BACKLIGHT DISPLAY] HD display offers clear visibility and supports three data display options.OVAQUIXI NewOVAQUIXI Refractometer with Temperature Compensation, 0-55% Brix Range, Fast Measurement Speed for Food and Beverage Ind [EFFICIENT & ACCURATE] Enjoy fast and precise sugar content measurements with this Brix meter, designed for efficient anXRCLIF NewJuice Refractometer Hydrometer with ATC, Brix Reader Meter Refractometer, Brix 0-32% Measuring Sugar Content in Fruit, S 🍓【Easy to Use】— Place 2 - 3 drops of liquid sample onto the prism of this brix refractometer, then look through the eyeDiyeeni NewDiyeeni Digital Brix Refractometer, Digital Brix Tester with LCD, Automatic Temp Compensation Meter Refractometer, ±0.2% 【Broad Utility】: The digital Brix refractometer is a versatile tool, finding applications across various industries suchMUNEFE NewMUNEFE Sugar Tester Refractometer, Digital Handheld Refractometer, 0~32% Brix Meter Refractometer for Measuring Sugar Co PROFESSIONAL MEASUREMENT INSTRUMENT:The sugar tester refractometer is a highly professional tool for accurately measurinAnton Paar NewSmartRef by Anton Paar - Digital Refractometer - Sugar, Brix, Salinity, Plato, Specific Gravity (SG) Wide measuring range (0 to 85 °Brix)MUNEFE NewMUNEFE Sugar Tester Refractometer, Digital Handheld Refractometer, 0~32% Brix Meter Refractometer for Measuring Sugar Co PROFESSIONAL MEASUREMENT INSTRUMENT:The sugar tester refractometer is a highly professional tool for accurately measurinEVGATSAUTO NewEVGATSAUTO Digital Brix Refractometer, Sugar Content Tester High Accuracy with Auto Temperature Compensation for Fruit J 【Durable and Reliable】: This refractometer is equipped with a built-in chip with a resolution of 0.1% Brix and an accuraHHTEC NewHH Tec Wine Refractometer Salinity Refractometer 0 to 32 Brix (ZUKER) 0 140 Ochsle 0 27 KMW with ATC for Winzer Wine Bee Perfect for winemakers, beer brewers and fermentation - determine the optimal harvest time by precise measurement of theYUEHISY NewDigital Refractometer, 0 to 55% High Accuracy Sugar Tester Meter with HD Backlight Display, Automatic Temperature Compen WIDE APPLICATION: Digital sugar degree refractometer is widely used in food, beverage, fruit sugar content determinationContinuum Aquatics NewContinuum Reagents Refractometer and Hydrometer Calibration Standard – Seawater Reference for Calibration of Density Mea Designed to provide an accurate reference for the calibration of seawater refractometers, hydrometers and other densityBusoTh NewBusoTh Gem Refractometer, RHG181 1.30-1.81 Professional Portable Identification Tester for Jewelry, High Accuracy with 3 Specially designed for measuring the refractive index of and solid materials.BTER NewGem Refractometer, Professional High Accuracy Jewelry Gem Refractometer Quick Identification 1.30 to 1.81 Measuring Rang 【JEWELRY GEMSTONE IDENTIFICATION TOOL】The primary use of this gem refractometer is to measure the angle at which light iGreystone Books NewRefractometers Made Easy: The "RIGHT-WAY" Guide to Using Gem Identification Tools Refractometers Made Easy: The Right-Way Guide To Using Gem Identification ToolsJqzcesu NewTriple Scale Hydrometer Home Brew Beer Wine Mead Kombucha - Specific Gravity 0.990-1.160, ABV 0-20%, Brix Tester 0-35 - ELIMINATE THE RISK OF BOTTLE EXPLOSIONS: Stop guessing when your brew is ready. Bottling before yeast activity has fullyJectse NewRefractometer Concentration Meter Brix Tester 0-90% with Automatic Temperature Compensation, Simple Operation, Wide Appl Easy to use, sturdy refractometer is compact in size and light in weight, convenient to keep up and carry around.Yosoo NewWine Refractometer, 3 in 1 Hand Held Sugar Content Mearsuring Tool with Home Brewing Equipment for Beer Wine Fruit Sugar 【3 in 1 Wine Refractometers】3 in one hand held refractometers, with mesure range 0-25% Vol, 0-40% Brix and 0-22 Baume.gernie NewDigital Brix Refractometer, 0‑55% Range High Accuracy Automatic Calibration Brix Tester HD Backlight Display Portable Ha WIDE APPLICATION: Digital brix refractometer is widely used in food, beverage, fruit sugar content determination, crop sNANBEI NewNANBEI 0-80% Brix Meter Refractometer, Refractometer Honey,Portable Refractometer for Honey,Digital brix Refractometer f Brix Range 0-80%, the reading resolution is 0.5 %.Brix Accuracy: +/-0.5%,large scale range makes it be suitable in widerHaofy NewHoney Refractometer Brix Refractometer 58-90% for Honey Test, Fruit, Beer, Wine and Sugar Test Flagfront NewDigital Brix Refractometer Flagfront brix Meter Refractometer Automatic Temperature Compensation Brix Refractometer Rang The Flagfront Digital Brix can clearly and accurately display the measured sugar content and the automatic temperature cXRCLIF NewFrost Protection Refractometer, 4-in-1 Antifreeze Tester, Coolant Tester, Refractometer for Checking The Freezing Point 🚗【4-in-1】 - If you find that the battery of your cars, solar system or heat pumps is no longer durable, do not hurry toBewinner NewBewinner Honey Refractometer 0-90% Handheld Pocket Sugar Concentration Meter with ±0.2% Brix ±0.3°C Accuracy for Honey Q Elegant color and stylish design, compact size and portable, easy to carry anywhere and anytime.SOULONG NewSOULONG Portable Honey Refractometer Mini Honey Brix Tester Measures Sugar Water Baume Content 58-90% 10-33% 38-43oBe wi [PRECISE & RELIABLE MEASUREMENTS] This portable honey refractometer delivers highly accurate readings for sugar contentOshhni NewOshhni Jewelry Refractometer Accessories Lightweight Professional with Flashlight Refractive Measuring Portable for Jewe 【Complete Kit】: The Gem Refractometer Kit includes a refractometer, a flashlight, reflective oil, an instruction manual,CENPEK NewCENPEK 0-32% brix Refractometer for Measuring the Sugar Content and metalworking fluids with ATC designed for Wine Beer 0 - 32% brix sugar refractometer, is also an essential instrument for checking emulsions and grinding solutions.Qualoramall NewGemstone refractometer detector (flashlight only), refractive index range 1.30~1.81, equipped with flashlight and refrac [COMPLETE GEMSTONE TESTING KIT] This kit includes a Gem Refractometer, flashlight, and refractive oil, providing everythYDuupxe NewYDuupxe Refractometer 0-50% High Accuracy Aluminum Portable Liquid Sugar Test Equipment for Easy Carry [Easy Operation]Simple usage method for accurate measurements.XRCLIF NewXRCLIF High Precision Alcohol Refractometer 0-80% v/v, Hand-held Alcohol Content Measurement Tool, Portable Refractomete 💎【Wide Application】—the alcohol refractometer widely used in scientific research, food industry production, alcohol purPlyisty NewRHB-10ATC Digital Handheld Refractometer with ATC, 0-80% Range, 0.1% High Accuracy, for Beer Wine Brewing The refractive index made according to different refractive index of the liquid is very accurateYaSao NewSalinity Refractometer Handheld Seawater Hydrometers Optical Salinity Tester Portable ATC Refractometer, Dual Scale: 0-1 Tbest NewTbest Jewelry Tools and Accessories,RHG181 1.30 1.81 Professional Gemstone Ldentification Gem Refractometer Identify single and double gems quickly and precisely.TEKCOPLUS NewBrix Refractometer Range 0-10% Brix Testing Synthetic Machining Coolants, Maple sap, Cutting Liquid, CNC, for Maple Syru BRIX REFRACTOMETER : Brix Refractometer Analyze the sugar content of maple tree sap to observe how it might differ betweOVAQUIXI NewOVAQUIXI Propylene Glycol Refractometer High Accuracy Antifreeze Freezing Point Tester for Car Wiper Fluid Ethylene Glyc [WIDELY MEASURING] Test the freezing point of propylene glycol, ethylene glycol, wiper fluid, automotive , and specificKUNLONGSKY NewBlack Plastic Refractometer Beer Wort Sugar Alcohol Meter 0-30%1.000-1.120 Specific Handheld Tool Hydrometer Tester DUAL SCALE: and precisely display the (0-32%) and Specific (1.000-1.120) at the same time, no need to switch unit for reSpacnana NewSpacnana Digital Sugar Degree Meter Refractometer with HD Backlight Display, Rechargeable Brix Meter for Liquid Sugar Co WIDE APPLICATION: Digital sugar degree refractometer is widely used in food, beverage, fruit sugar content determinationZudoo NewDigital Brix Refractometer, Range 0‑55% Brix Meter, Automatic Temperature Compensation High Accuracy Digital Refractomet Oimzzr NewOimzzr High Precision 0-55% Digital Br Refractometer Br Meter Automatic Temperature Compensation Refractive Index Sugar ✔️High Accuracy: Digital br meter can clearly and accurately display the br of the measured liquid, 0-55% accuracy , accDomary NewBrix Refractometer Accurate Honey Sugar Tester Meter for Professional Beekeepers [Professional Measuring Instrument] Test brix of honey accurately.Zerodis NewZerodis Portable Handheld Refractometer, 3 in 1 Brix Baume Tester with Measurement Range 0-25% Vol 0-40% Brix 0 22 Baume [Measurement] This 3-in-1 refractometer provides accurate measurements for content (0-25% vol), sugar concentration (0-4HNHHUH NewATC Refractometer Antifreeze Freezing Point Coolant Tester Adblue Concentration Ethylene Glycol Car Battery Refractomete Test 4 concentration: Ethylene Glycol, Propylene Glycol, Battery Fluids, and Cleaning Fluids.MOTRAIN NewSalinity Refractometer for Seawater and Marine Fishkeeping Aquarium, Saltwater Tester Hydrometer, Dual Sacle 0-100ppt & Dual-Scale Measurement for Accuracy: This refractometer measures both salt percentage and specific gravity, with a speciFENX NewGem Refractometer, 1.30 to 1.81 Quick Ldentification Tester Jewelry Refractometer, Portable Refractometer Lab Refractome High Accuracy: Professional refractometer has high accuracy, small size, easy portability and easy operation.UHANBUT NewAntifreeze Refractometer, Antifreeze Coolant Tester for Checking Antifreeze Freezing Point, Concentration of Ethylene Gl 【Function 1-Antifreeze Freezing Point】: Measuring the freezing point of automobile antifreeze based on ethylene glycol oMEKOTRIN NewMEKOTRIN Digital Brix Refractometer, Brix Tester 3 Datas Display Temperature Compensation Function 0‑55% for Sugar Conte EASY TO USE: Sugar degree meter refractometer is equipped with a high transmittance refractive prism, and the liquid canQkbuza NewQkbuza Antifreeze Coolant Refractometer - Multifunctional Radiator Coolant Tester Freezing Point Meter | Portable Antifr Instant Measurement: With no batteries required, our antifreeze coolant tester instantly displays measurement results thTOMVAES NewHandheld Salinometer Measuring,Salinity Refractometer,Salinity Meter,for Seawater, Fish Tank, Aquaculture,Fishkeeping,Ea [Easy to use] - Lightweight and portable, handheld design, easy to use.OEBUAFI NewOEBUAFI Portable Honey Refractometer Elegant Design Measuring 58-90% Sugar Content for Honey Lovers and Beekeepers **[PORTABLE AND STYLISH]**: Elegant color and stylish design for a trendy look on-the-go.Qingeer New3-in-1 Handheld Honey Refractometers for Honey Moisture & Brix & Baume Beekeeping Honey Refractometer Water Content Mete 3-in-1 design, this refractometer has a measuring range of 58% to 90% Brix, 38 to 43 Be' Baume, and 12% to 27% water conOVAQUIXI NewOVAQUIXI Refractometer for Alcohol Brewing, Handheld Alcohol Test Refractometer Wine Tester Professional Alcohol Volume 【Concentration Measurement Range】: Turn the eyepiece to adjust the hand wheel to make the blue and white line clear. TheMEIJUN NewRAYWE Car Antifreeze Refractometer Multifunctional Auto Coolant Tester Urea Propylene Glycol Glycol Detergent Battery Li ⚽Portable Size: Made from premium materials, this antifreeze tester is lightweight and portable, making it easy to carrNEEBETEK NewNEEBETEK 5-in-1 DEF Antifreeze Refractometer,Coolant Tester,Ethylene & Propylene Glycol Freezing Point Meter,Battery Aci 【5 Measurement Parameters】This antifreeze refractometer measures freezing point both of the ethylene glycol antifreeze aCCJZBCAU NewBrix Refractometer for Brix Testing, Professional Handheld Alcohol, Aluminium Honey Refractometer with Digital Display, Premium Quality Texture: It is crafted from premium quality texture, which is sturdy, with stable structure, and can witBaxnore NewBaxnore RHG181 Professional Gemstone Refractometer 1.30 1.81 RI High Accuracy Jewelry Testing Tool for Gemologists Jewel [PRECISION GEMSTONE ANALYSIS] Engineered specifically for gemologists and jewelry professionals, this refractometer deliExtech NewExtech RF12 Portable Brix Refractometer (0 to 18%) with Automatic Temperature Compensation Compact size, easy to operateWIHFHGZ NewEngine Coolant Tester, Handheld Glycol Refractometer, Aluminum Black Silver - ATC Automatic Temperature Compensation, An [Durable Construction]: Aluminum and ABS housing delivers a robust, lightweight antifreeze refractometer built to withst