Best Antifreeze Tester

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Top 10 Best Antifreeze Tester

Top Pick
Top Pick

Prestone AF-1420 Antifreeze/Coolant Tester

Easy to use4.5
Easy to read4.5
Accuracy4.4
Value for money4.4
Why we chose it
  • Allows visual inspection for rust and sediment
  • Provides a quick and easy method to safely collect a sample and measure coolant concentration
  • Assists in preventing freeze-ups and boil-overs
  • Easily tests for anti-freeze/anti-boil protection
  • Helps in ensuring good corrosion protection
  • Fit Type: Universal Fit
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Why we chose it
  • BUILT TO LAST: Constructed of premium plastic and rubber materials, this antifreeze tester is designed to easily test freezing and boiling temperatures of your coolant to water solutions; The large rubber bulb and 5.5-inch (14 cm) rubber tube makes it easy to suck liquid into the small plastic reservoir; Easy to read stickers allow you to test the solution and provides instructions; Flush out with water after each use for accurate readings
  • COMPATIBLE WITH ALL ETHYLENE GLYCOL ANITFREEZE: Works with all ethylene glycol coolants including GM Dex-Cool; This tester provides immediate results on the freezing and boiling points of your coolant to water mixture; Use vehicle manual and geological location to decide on the best ratio for your vehicle
  • CLEAR TESTER FOR VISUAL INSPECTION: As a bonus, the clear reservoir allows you to inspect the condition of the antifreeze in your vehicle; Easily inspect color and for any rust, sludge, or other sediments
  • EASY TO READ HYDROMETER SCALE: The clear capsule contains sensitive pointers that measure the freezing and boiling points of the liquid in both Celsius and Fahrenheit; These pointers are easier to read than standard coolant test strips because you do not need to focus on the color or PH balance to understand the freeze and boiling points of your solution; One side of the tester is labeled with freeze point scale while the other side is labeled with boiling point scale
  • EFFORTLESSLY TEST YOUR ANTI FREEZE MIXTURE: Antifreeze, also known as coolant, is designed to prevent water from freezing up in cold climates and to prevent your engine from overheating which can cause mechanical breakdowns and engine failure; Avoid these issues by testing your coolant mixture with the ABN Deluxe Car Antifreeze Coolant Test Kit
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Why we chose it
  • Freezing to boiling points for anti-freeze, calibrated in °C and °F
  • Easy to read scale & pointer
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ATD Tools 1106 Professional Antifreeze and Coolant Tester

Easy to use4.4
Value for money4.1
Accuracy3.7
Why we chose it
  • Tough, shatter-resistant clear housing
  • Easily checks condition of antifreeze and coolant
  • Simple to use
  • Works for all ethylene glycol coolants, including GM Dex-Cool
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Why we chose it
  • Reads in Celsius and Fahrenheit.
  • Easy to read indicator and designed for the popular modern Ethylene Glycol antifreeze. Suitable for use on OAT (Organic acid technology) antifreeze
  • Number of floating discs measures the level of coolant protection
  • Tests at hot and cold temperatures.
  • Floating orange disc shows over protection and loss of efficiency. Bulb is Black, 6 discs. For Propylene Glycol antifreeze use Part No 4292.
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Why we chose it
  • To check the freezer point the cooler liquid
  • Improved safety in the Sunburst use
  • 2 part plastic spindle
  • Tested quality
  • Made in Germany
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Why we chose it
  • Compatible with vehicle type: marine-personal-craft
  • Temperature compensating tester is accurate whether coolant is hot or cold
  • Readings in Celsius and Fahrenheit
  • Number of floating discs measures level of protection
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Why we chose it
  • Quick and easy: Just need 2-3 drops of solution and a few seconds, you can get accurate readings. And no battery needed.
  • Features automatic temperature compensation: makes it more convenient to use in different temperature.
  • Function 2: Measuring concentration of ethylene glycol or propylene glycol based automobile antifreeze coolant. Scale Range: ethylene glycol base: 0-70% propylene glycol based 0-63%
  • Function 1: Measuring freezing point temperture of ethylene glycol or propylene glycol based automobile antifreeze coolant. Scale range: ethylene glycol base: -84°F-32°F, propylene glycol based -60°F-32°F
  • Function 3:Measuring specific gravity of battery acid and provide a quick reference of battery charge condition. Scale Range:1.100~1.400kg/l
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Why we chose it
  • Ethylene Glycol Antifreeze Tester Twin-Rotor
  • Cooling System
  • Antifreeze Testers
Top Pick
Prestone AF-1420 Antifreeze/Coolant Tester
Prestone Antifreeze/Coolant Tester is a professional do-it-yourself tester that easily tests for anti-freeze/anti-boil protection. Allows visual inspection for rust and sediment. It is important to maintain your antifreeze/coolant at the proper concentration to provide good corrosion protection as well as prevent freeze-ups and boil-overs. This tester provides a quick and easy method to safely collect a sample and measure coolant concentration. It also allows a visual inspection of the antifreeze while you test it. This is a low-cost way to check the condition of the antifreeze/coolant in your vehicle.
Ranking the Brands
Prestone: 10.00%
ABN: 10.00%
Performance Tool: 10.00%
ATD Tools: 10.00%
The Tool Connection Ltd: 10.00%
Unitec: 10.00%
Thexton: 20.00%
: 10.00%
Sealey: 10.00%

Comparison Table

Сomparison: Prestone AF-1420 Antifreeze/Coolant Tester: imageСomparison: ABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol Coolant: imageСomparison: Performance Tool W1654C Pro Anti-Freeze Tester: imageСomparison: ATD Tools 1106 Professional Antifreeze and Coolant Tester: imageСomparison: Laser - 4293 Antifreeze Tester - Ethylene Glycol: imageСomparison: Unitec 74277 Anti-Freeze Tester for Cooler Liquid: imageСomparison: Thexton THE107 Anti-Freeze Tester( color may vary from image): imageСomparison: 3-in-1 Antifreeze Tester in Fahrenheit Scale for Checking Freezing Point and Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant, Also for Battery Acid Condition: imageСomparison: Cold-Chek Propylene Glycol Anti-Freeze and Coolant Tester: imageСomparison: Sealey Ethylene Glycol Antifreeze Tester Twin-Rotor: image
Prestone AF-1420 Antifreeze/Coolant TesterABN Deluxe Antifreeze and Coolant Tester Hydrometer Tester – Automotive Antifreeze Tester for Ethylene Glycol CoolantPerformance Tool W1654C Pro Anti-Freeze TesterATD Tools 1106 Professional Antifreeze and Coolant TesterLaser – 4293 Antifreeze Tester – Ethylene GlycolUnitec 74277 Anti-Freeze Tester for Cooler LiquidThexton THE107 Anti-Freeze Tester( color may vary from image)3-in-1 Antifreeze Tester in Fahrenheit Scale for Checking Freezing Point and Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant, Also for Battery Acid ConditionCold-Chek Propylene Glycol Anti-Freeze and Coolant TesterSealey Ethylene Glycol Antifreeze Tester Twin-Rotor
ManufacturerPrestoneABNWilmarATD ToolsThe Tool Connection LtdUnitecThextonThextonSealey
BrandPrestoneABNPerformance ToolATD ToolsUnitecThextonThextonSealey
Item Weight1.6 ounces3.17 ounces1.76 ounces5.6 ounces6.4 ounces3.52 ounces3.2 ounces0.8 ounces4.4 ounces
Product Dimensions7 x 5 x 1 inches1 x 10 x 5.8 inches1.8 x 5.7 x 10.8 inches2.24 x 4.76 x 15.47 inches15.6 x 5.5 x 0.1 inches4.29 x 7.2 x 1.69 inches
Is Discontinued By ManufacturerNoNoNoNoNoNo

Products with 5 star rating

Tips and advices on YouTube

How to TEST Your Coolant for the Winter (Before Major DAMAGE is Done)
Test Antifreeze Coolant "How To"
How to Use Coolant (Anti Freeze) Tester – TOTAL TECHNIK

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