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Automotive Antifreeze Freezing Point Refractometer Coolant and Battery Fluid Tester for Ethylene and Propylene Glycol

Useful Little Things

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Protect vehicle engine blocks, cooling systems, and battery health from winter freeze-ups with our automotive antifreeze freezing point refractometer coolant and battery fluid tester for ethylene and propylene glycol. Designed for auto mechanics, fleet managers, and home DIYers, this handheld optical tester analyzes the freezing protection point of engine coolants and the charge state of lead-acid battery electrolytes using just a few drops of fluid. Featuring a clear multi-scale optical eyepiece, it measures ethylene glycol coolant freeze points down to -50°C (-58°F), propylene glycol freeze points down to -50°C (-58°F), windshield washer fluid freeze levels down to -40°C (-40°F), and battery acid specific gravity. Equipped with Automatic Temperature Compensation (ATC), it automatically adjusts for thermal fluctuations to provide instant, drift-free optical readings without relying on batteries or electrical power.

KEY FEATURES

  • Multi Scale Automotive Fluid Analysis: Simultaneously tests ethylene glycol, propylene glycol, windshield washer freeze protection, and battery acid specific gravity.

  • Deep Freeze Detection Scale: Measures engine coolant freeze protection levels down to -50°C (-58°F) for extreme winter climate preparation.

  • Automatic Temperature Compensation (ATC): Built-in thermal mechanism adjusts scale readings for sample temperatures between 10°C and 30°C (50°F and 86°F).

  • Micro Sample Testing: Requires only 2 to 3 drops of coolant or battery fluid for instant optical measurements without wasting fluid.

  • Zero Battery Pure Optical Operation: Utilizes natural ambient light through a daylight prism, eliminating charging cables, batteries, or electronic failures.

  • Durable Lightweight Aluminum Body: Built with a rugged aluminum alloy frame and a comfortable non-slip rubber hand grip for shop and garage utility.

SPECIFICATIONS AND DISPLAY GUIDE

Technical SpecificationFeature and Performance Details
Ethylene Glycol Freeze Range-50°C to 0°C (-58°F to 32°F)
Propylene Glycol Freeze Range-50°C to 0°C (-58°F to 32°F)
Windshield Fluid Freeze Range-40°C to 0°C (-40°F to 32°F)
Battery Acid Specific Gravity1.100 to 1.400 sg (Charge Status Scale)
Compensation SystemAutomatic Temperature Compensation (ATC)
Primary ApplicationsAutomotive Engine Radiators, Commercial Fleets, Battery Maintenance, and HVAC Systems

WHY CHOOSE OUR AUTOMOTIVE ANTIFREEZE REFRACTOMETER

Inexpensive floating ball hydrometers are notorious for sticking, trapping air bubbles, and yielding inaccurate freeze point readings that risk cracked engine blocks or frozen radiators. Paper test strips degrade quickly when exposed to air and provide imprecise color estimates. This optical antifreeze refractometer combines multi-fluid testing, deep -50°C freeze detection, automated temperature compensation, and battery-free aluminum construction into an essential automotive service tool.

PERFECT FOR (OCCASIONS AND USES)

  • Automotive Engine Radiator Service: Test coolant dilution ratios and exact freezing thresholds prior to severe winter weather to prevent cooling system freeze damage.

  • Lead Acid Battery Health Inspection: Check electrolyte specific gravity in car, truck, and tractor batteries to evaluate charge state and cell health.

  • Commercial Fleet and Workshop Maintenance: Perform quick, accurate fluid audits on delivery vans, heavy equipment, and customer vehicles during routine maintenance checks.

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254 Sold