4-in-1 Antifreeze Refractometer Test Ethylene/Propylene Glycol, DEF, Battery Acid, Windshield Washer Fluid for Automotive & Industrial Use
Special Features
- Antifreeze freezing point: Measures ethylene glycol or propylene glycol. (-50°C to 0°C) for cold-weather protection.
- Battery acid SG: Tests specific gravity (1.10–1.40 kg/l) to indicate charge status.
- Washer fluid freeze point: Measures -40°C to 0°C (ethanol/IPA based) with SRFI scale.
- DEF concentration: Measures urea (30%–35%) for emissions system efficiency.
- Automatic Temperature Compensation (ATC): Delivers accurate readings regardless of ambient temperature changes.
- Easy to use & portable: No batteries required – just 2–3 drops on prism, read results in seconds.
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