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Best Choice QUMOX 
QUMOX Refractometer for Brix Testing, 0-32% Scale with ATC, Perfect for Honey, Maple Syrup, Molasses Beekeeping Essentia Single Scale Design: Measures Brix 0-32% with precision, ideal for testing sugar content.Nandaga 
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 s
Spirit Alcohol Refractometers High Accuracy Wine Alcohol Tester Measuring Tools One-Button Testing: Testing alcohol content is a breeze with this wine alcohol tester's one-button operation. You can coBest Value NAZUSA 
RZ 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 0
Handheld Glycol Refractometers Car Engine Tester Coolant Antifreeze Battery Acid It can also be used to check the health of electrolyte solution batteries. And they can also be used to test the concentFUTISKY 
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. OpticalJiawu 
Digital BRIX Refractometer, Handheld Pocket Refractometer, 0‑55% Range High Accuracy BRIX Meter, Digital BRIX Tester Sug 【HIGH ACCURACY】Brix meter has built in excellent chip, high measurement accuracy, sensitive response, fast measurement sDigital Alcohol Refractometers Range 0-80% Wine Alcohol Tester Measuring Tools One-Button Testing: Testing alcohol content is a breeze with this wine alcohol tester's one-button operation. You can coGUPE Brix 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 tSpirit Alcohol Refractometers High Accuracy for Spirit Alcohol Volume Percent One-Button Testing: Testing alcohol content is a breeze with this wine alcohol tester's one-button operation. You can co13% Off Yosoo Bee 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 fHHTEC HH Tec Wine Refractometer Salinity Refractometer 0 to 32 Brix (ZUKER) 0 140 Ochsle 0 27 KMW with ATC for Winzer Wine Bee An essential instrument for measuring grape juice for making quality wines. With the winemaker wine refractometer you caCat Dog Refractometer Refractometers Animal Clinical Refractometer 1.10~1.40kg/l Health & Beauty. Scale range: 1.10~1.40kg/l. Pet Supplies. Range of scale G13(Propylene Glycol): -50~0℃. Range of scaleHHTEC HHTEC Refractometer 0-90% Brix Hand Refractometer for Determining The Sugar Content of Honey Vegetable Oil Syrup Molasse Use: it is suitable for measuring honey, opst, vegetables, condensed milk, vegetable oils, sugar syrup (syrup), fruit jaCat Dog Refractometer Refractometers Animal Clinical Refractometer 1.10~1.40kg/l Scale range: 1.10~1.40kg/l. Range of scale G13(Propylene Glycol): -50~0℃. Range of scale G11/G12(Ethylene Glycol): -50~0Agriculture Solutions Salinity 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.Cat Dog Refractometer Refractometers Animal Clinical Refractometer 1.10~1.40kg/l Scale range: 1.10~1.40kg/l. Range of scale G13(Propylene Glycol): -50~0℃. Range of scale G11/G12(Ethylene Glycol): -50~0Agriculture Solutions Salinity 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.Cat Dog Refractometer Refractometers Animal Clinical Refractometer 1.10~1.40kg/l 12V Motorcycle Dirt Pit Quad Bike ATV Stop Switch Push Button For Honda Yamaha. Scale range: 1.10~1.40kg/l. Range of scaGeneric Generic Jewelry Refractometer, Refraction Measurement, Refractive Index 1.30-1.81, Portable Gemstone Identification Tool 【Quality Material】: This Portable Gem Tester is made from quality stainless steel that is sturdy and wear resistant for3 In 1 Multifunctional Handheld Refractometers & & R2Q3 Length : 170mm / 6.69in. 1 Pipette. 1 Screw driver. 1 Storage. Color: Black. Compensation (ATC): 10°C – 30°C. Accuracy:RESFNSE RESFNSE Refractometer with ATC Dual Scale Specific & Hydrometer in Wine Making and Beer Brewing Homebrew Kit 3.Consistently accurate readings of 0-32% and 1.000-1.120 Specific .Cat Dog Refractometer Refractometers Animal Clinical Refractometer 1.10~1.40kg/l Scale range: 1.10~1.40kg/l. Range of scale G13(Propylene Glycol): -50~0℃. Range of scale G11/G12(Ethylene Glycol): -50~0XRCLIF Juice 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 eyeDigital Alcohol Refractometers High Accuracy for Spirit Alcohol Volume Percent One-Button Testing: Testing alcohol content is a breeze with this wine alcohol tester's one-button operation. You can coLuqeeg Brix Refractometer 0~80%, Digital Refractometer, Handheld Sugar Refractometer for Measuring Sugar Content in Fruit, Hone Cat Dog Refractometer Refractometers Animal Clinical Refractometer 1.10~1.40kg/l Scale range: 1.10~1.40kg/l. Range of scale G13(Propylene Glycol): -50~0℃. Range of scale G11/G12(Ethylene Glycol): -50~0Fdit Alcohol 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 BSpirit Alcohol Refractometers High Accuracy Wine Alcohol Tester Measuring Tools One-Button Testing: Testing alcohol content is a breeze with this wine alcohol tester's one-button operation. You can coAUTOUTLET AUTOUTLET Brix Refractometer with ATC, Brix 0-90%, Portable Hand Held Refractometer for Sugar Content Test Hand Held Refractometer with Automatic Temperature Compensation,ATC:10℃~30℃Digital Alcohol Refractometers High Accuracy for Spirit Alcohol Volume Percent Features: 100% Brand new and high quality! This Internet Streaming/Media Centre TV Box is for you! Supports usual for AnGugxiom Gem 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 oper3 In 1 Multifunctional Handheld Refractometers & & M3F0 Length : 170mm / 6.69in. 1 Pipette. 1 Screw driver. 1 Storage. Color: Black. Compensation (ATC): 10°C – 30°C. Accuracy:XRCLIF Frost 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 toGAIN EXPRESS 5-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:Spacnana Spacnana Digital Sugar Refractometer, Hand Held Pocket Refractometer Accurate Measurement for Fruits, Food, Liquids 0 to [Lcd Display] The large lcd screen displays temperature, sugar content, and refractive index values simultaneously, makiMilwaukee MILWAUKEE'S Instruments MA871 Digital Brix Refractometer, Range 0-85% Fast, accurate results with digital dual level LCD readout. Easy measurement with just 2-3 drops of sample needed and reYUEHISY Digital 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 sBewinner Bewinner Honey Refractometer, 0-90% Handheld Pocket Honey Sugar Concentration Meter, ±0.2% Brix/±0.3°C Accuracy for Dete Elegant color and stylish design, compact size and portable, easy to carry anywhere and anytime.BTER Gem 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 iQUMOX QUMOX 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, andMUNEFE MUNEFE 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 measurinZudoo Digital Brix Refractometer, Range 0‑55% Brix Meter, Automatic Temperature Compensation High Accuracy Digital Refractomet SHASUXTING 0-40% Brix Meter Refractometer With ATC Handheld Sugar Refractometer Hydrometer in Wine Making and Beer Brewing Homebrew Premium Quality Texture: It is crafted from premium quality texture, which is sturdy, with stable structure, and can witGeneric Refractometer 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 0-90GAIN EXPRESS 0-28% 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 otheZudoo Brix Refractometer, Portable Digital Handheld Brix Refractometer, 0 to 55% Range High Accuracy Brix Meter, Automatic Cal AIMALL AIMALL Portable ATC Refractometer 0-32% Brix Tester for Sugar Fruit Alcohol Meter – Handheld Meter with Calibration Scre Precise Brix Measurements for Food and Industry The Portable Refractometer measures the Brix level from 0% to 32%, proviNDNCZDHC Antifreeze 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 refractometerNANBEI NANBEI 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 widergernie Brix Refractometer, 0-32% Measuring Range Brix Meter with ATC and Dual Scale, Handheld Refractometer for Beer Wine Brewi Good Material: The refractometer is made of non staining, non corrosive and non reactive ABS material, ensuring hygieneGAIN EXPRESS 0-10% 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 accuracyANKROYU Gemstone Refractometer, RHG181 1.30-1.81 Gemstone Refractometer,Professional Gemstone Identification Handheld Refractome FAST IDENTIFICATION: Identify single and double stones quickly and accurately. Helps identify diamonds, moissanite and cAIMALL AIMALL 3-in-1 58-90% Honey Refractometer Calibration Refractometer Honey Moisture Meter for Honey Moisture & Brix & Baum 🍯 Precision Measurement: Ensure the highest quality of honey with accurate moisture (12-27%), Brix (58-90%), and BaumeYosoo Wine 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.Yosoo Wine 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.Jectse Refractometer 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.ALLmeter ALLmeter Wine Refractometer – Brix 0–40% & Potential Alcohol 0–25% (ATC) – Handheld Sugar Meter for Home Winemaking & Br Accurate Brewing Control: Achieve precise control over your brewing process by accurately measuring the sugar content ingernie Brix Meter, 0-50% Portable LCD Digital Brix Refractometer, Automatic Temperature Compensation, Handheld Sugar Refractome Power saving, after 3 minutes without any operation, it will automatically turn off the power.GemStone Press Refractometers Made Easy: The "RIGHT-WAY" Guide to Using Gem Identification Tools (The Antoinette Matlins "RIGHT-WAY" Se LICAEVEY Digital 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 sAOKUY Antifreeze Refractometer, Hand Refractometer, Coolant Tester for Ethylene Glycol, Propylene Glycol, Freezing Point of Co This style is equipped with °C.SUZLA 2GHS Digital Brix Refractometer Brix Meter Pocket Refractometer with Automatic Temperature Compensation for Sugar Conten [Fast and Accurate]Lifancy digital Brix refractometer requires only 2 drops of sample to display results within 2 secondXRCLIF XRCLIF 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 purSorandy Sorandy Digital Sugar Degree Tester, Refractometer with LCD, Rechargeable Brix Meter for Liquid Sugar Content, Equipped [Intuitive Display] Hd backlight display with three data display options for clear and convenient readings.Atago Digital Hand-held Pocket Refractometer Wide measurement range (Brix 0.0 to 53.0%NDNCZDHC NDNCZDHC Maple Syrup Hydrometer,Brix Refractometer - Specific Gravity & Brix,0-50% Hydrometer in Wine Making and Beer Br ★【High quality】: The product has strict quality control and quality assurance, high safety factor, and the refractive inRGBS Refractometer for Dogs and Cats for Pets Urine Specific Weight (1000~1060) Clinical Refractometer with Serum or Plasma P Clinical Refractometer - This refractometer can measure urine-specific gravity and serum protein immediately for cats anQUMOX QUMOX 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–MAEBLA Handheld Brix Refractometer 0–90% with ATC – Sugar Content Tester for Honey, Syrup, Jam, Fruit Juice, Vegetable Oil – In ✔ Wide Measuring Range (0–90% Brix): Ideal for testing sugar levels in honey, fruit juice, syrup, jam, vegetable oil, anWadukud Honey Refractometer, Portable Refractometer for Baume Brix 58-90% Sugar Content Easy to Read Concentration Measure Meter High Precisioned Measurement: Equipped with a sharping dividing line (blue-white), this honey refractor offers excellentGAIN EXPRESS Alcohol 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%)Zyyini Professional Jewelry Refractometer Refractometer Portable with Flashlight for Diamond QUICK IDENTIFICATION Identify diamonds, moissanite and colored gemstones, speed up the identification of gemstones in thAtago ATAGO Concentration Meter, Automatic Correction, Handheld Refractometer MASTER-20T External Dimensions: 1.3 x 1.3 x 8.0 inches (33 x 33 x 20Jaerb Salinity 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,Sorandy Sorandy Portable Refractometer, Salinity Measuring Tool, High Definition Optical Instrument, Ideal for Liquids Sampling, [Portable and Easy to Use] This professional salinity measuring instrument is compact and easy to operate, suitable for11% Off GAIN EXPRESS Clinical 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 indexGeneric Digital Refractometer 0-94%, Portable Hand Held Honey Refractometer Meter Tester for Fruit, Beer Brewing, Food, Beverage 【Complete Professional Kit】: Includes storage box, dropper, screwdriver, and refractometer (battery excluded). Deliversyuksok yuksok Jewelry Refractometer Jewelry Test Tool with Storage Box Lightweight Portable Accessories for Watch Home Jewelry 【Practical Tool】: The Jewelry Refractive Measuring tool is an essential accessory for professionals and hobbyists in jewイービーエム(EBM) ATAGO Concentration Meter Master - Mentsuyu α Automatic Correction and Waterproof Function Handheld Refractometer External Dimensions: 1.3 x 1.3 x 6.6 inches (33 x 33 x 16gernie Digital 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 sExtech Extech RF12 Portable Brix Refractometer (0 to 18%) with Automatic Temperature Compensation Compact size, easy to operateRed Sea Red Sea R12018 Precision Sea Water Salinity Refractometer FwQoFvk FwQoFvk Brix Refractometer with Digital Display Efficient Precise Measurement Brix Refractometer Flexible Aluminium Hone Premium Quality Texture: It is crafted from premium quality texture, which is sturdy, with stable structure, and can witJoyzan Joyzan 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 rOshhni Oshhni 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,F&Y 3 in 1 Brix Digital Refractometer, Handheld Tester for Sugar, Wine, Beer & Honey, Alcohol & Gravity Meter with ATC - Ess Accuracy Optics with Temperature Adaptation: The Brix meter features a high-definition prism ensuring crisp visibility oSUZLA 32% 55% Digital Brix Refractometer Autorefractometer Sugar Refractometer Hydrometer for Grapes Fruit Drinks Beverages Ti Widely used in food, beverage, fruit sugar content determination, crop sugar content determination and other fields.Gugxiom Gemstone Refractometer, Jewelry Refractometer, RHG181 1.30-1.81 Professional Gemstone Identification Gemstone Refractome High-quality ABS material: this gemstone tester is made of high-quality ABS material. This material is hard and wear-resboxtech boxtech Aquarium Marine Test, Sea Saltwater Hydrometer, Reef Ocean Hydrometer Salinity Meter for Pool Aquarium Water Sal 【Safe Material】Made of plastic,aquarium clear Automatic Accurate Readable SaltWater HydrometerQUMOX QUMOX 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 seawTopHomer TopHomer Antifreeze Refractometer, ATC Automatic Temperature Compensation Alcohol Refractometer Sugar Content Measuring 【Easy to carry】Easy to use, sturdy design, small size and light weight, easy to carry around. Only ambient light is usedQWORK QWORK Brix Refractometer, with Automatic Temperature Compensation, Brix 0-32% for Sugar Content Testing of Sugar Food Fr Measurement range: 0~32% Refractometer, ideal for sugar measurementsSUCRFXJ Digital Refractometer Brix Meter, LCD Brix Refractometer Fruit Sugar Meter, Backlit Digital Display Brix Meter Tester, A High Accuracy: Using High-Precision Sensor, High Sensitivity, The Water Temperature Does Not Affect The Reading.The TestMOTRAIN Salinity 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 speciFUTISKY Precision 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 cDomary Domary Salinity Refractometer Handheld Seawater Hydrometers Optical Salinity Tester Portable ATC Refractometer, Dual Sca Handheld design and non-slip rubber handle for easy operation.zolyet zolyet Pet Dog & Cat Refractometer Handheld Pet Urine Specific Gravi (1.000~1.050) Clinical Refractometer with ATC, Seru Handheld design and rubber handle for easy operation.AUTOUTLET AUTOUTLET Salinity Refractometer,Automatic Temperature Compensation Salt Water Tester Hydrometer 0-100ppt & 1.000-1.070 【Salinity Refractometer】Measure Salt Water or Salinity of Water,Monitor and Control the Concentration of Salt Water andEacam Diacaustic Instrument, Eacam Portable Handheld ATC Alcohol Refractometer Liquor Volume Percent Tester with 0-80% Measuri 💖 Handheld design and non-slip rubber handle for easy operation. Great for measuring the volume percent of alcohol liquYHUEGH Gemstone Polarizing Filter Gem Refractometer Gemstone Refractometer Kit Portable Gem Tester Gemstone polarizer / Jewellery identification instrument / table polarizer / crystal gem identification instrument / intDISHENGZHEN Refractometer Gem Refractometer，with Refraction Oil Jewelry Identification Instrument Distinguish Tools Jade Stone Refra Specially designed for measuring the refractive index of gemstones and solid materials.gernie Alcohol Refractometer, Refractometer for Spirit Alcohol Volume Percent Measurement with Automatic Temperature Compensati A professional measure instrument to test alcohol concentration of liquorFurtryvl Furtryvl Antifreeze Tester Automotive - Multifunctional Radiator Coolant Tester Antifreeze Tester,Portable Antifreeze Re Easy Testing: Without the need for batteries, this antifreeze coolant tester delivers instant measurement and display ofOriGlam OriGlam 4-in-1 Car Adblue Urea Refractometer Battery Fluid Ethylene Propylene Glycol ATC Test 4 concentration: Ethylene Glycol, Propylene Glycol, Battery Fluids, and Cleaning Fluids.Staright Staright Antifreeze Refractometer Coolant Tester for Checking Freezing Point, Concentration of Ethylene Glycol, Battery Handheld design and rubber handle for easy operation.Domary Domary Portable Handheld ATC Alcohol Refractometer Liquor Volume Percent Tester with 0-80% Measuring Range Handheld design and non-slip rubber handle for easy operation.QUMOX QUMOX 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 sugaryBOWONG BOWONG Refractometer Brix Sugar 0-32% Wort SG 1,000-1,130 Wort refractive Index Plato Sugar Content Measuring Device for 🍺 【Dual scale】— Model specifically for beer with 2 scales to quickly the sugar content and SG wort to measure.QUMOX QUMOX 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 concentratBOWONG BOWONG 4-in-1 antifreeze refractometer ethylene glycol, propylene glycol, for automotive cooling fluid, Windshield washe 🚗【4-in-1】— If you notice that the battery of your your cars, solar plant or heat pumps is not durable anymore, DO NOT hOFFSCH OFFSCH 2pcs Alcohol Meter Professional Alcohol Tester Wine Refractometer Alcohol Content Tester Alcohol Tester for Liquo : this tool allows you to monitor the brewing , making it essential for home brewers and professionals alike,alcohol meaRGBS Antifreeze Refractometer for Glycol, Antifreeze, Coolant and Battery Acid. Antifreeze Tester for Measuring Freezing Poin Ethanediol (ethylene glycol): 0 ~ 50℃ & Propanediol (propylene glycol): 0 ~ 50 ℃.AMTAST AMTAST Hand Held DEF AdBlue Refractometer Tester for Urea Concentration in Diesel Exhaust Fluid Aqueous Urea Solution wi Application: To measure urea concentration in diesel exhaust fluid/ AdBlue.Independently published Coolant Refractometer Logbook: A Coolant Refractometer Readings Logbook for Machine Shops