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BAT/COOL/ DEF REFRACTOMETE - Central Tools

Part #: 3R401

The Central Tools 3R401 Refractometer is an essential diagnostic tool for professional automotive and industrial technicians, streamlining fluid analysis into a single, robust instrument. This multi-purpose refractometer accurately verifies the condition of coolant, battery electrolyte, and Diesel Exhaust Fluid (DEF) concentrations, replacing the need for multiple specialized testers. Its design focuses on efficiency and precision, enabling quick and reliable assessments in any professional setting.

Key Features

  • Multi-Fluid Analysis: Consolidates the testing of engine coolant (ethylene and propylene glycol), battery acid specific gravity, and DEF (urea) concentration into one compact device.
  • Effortless Operation: Designed for ease of use and calibration, allowing technicians to obtain clear, precise readings quickly.
  • Durable Construction: Features a knurled handle or rubber grip to ensure a firm hold, even when hands are oily or wet, enhancing safety and longevity in demanding workshop environments.
  • Ambient Light Powered: Operates without the need for batteries or external power, utilizing ambient light to provide immediate results.
  • Clear Readings: Equipped with a focusing eyepiece that ensures clear and easily discernible readings of fluid conditions.
  • Complete Kit: Comes with a protective plastic case, dropper, cleaning cloth, screwdriver, and distilled water for immediate calibration and maintenance.

Applications

This professional-grade refractometer is indispensable for a wide range of applications, ensuring optimal vehicle and equipment performance. It is ideal for automotive service centers, heavy-duty truck maintenance facilities, fleet management, and industrial machinery operations. Technicians can accurately determine the freeze-point protection of engine coolants, assess battery health by measuring electrolyte specific gravity, and confirm the correct DEF concentration critical for modern diesel emissions systems. Regular use helps prevent costly breakdowns, ensures compliance with emissions regulations, and extends the lifespan of vital components.

Specifications

  • Weight: Approximately 1 lb (0.45 kg)
  • Height: Approximately 1 inch (2.54 cm)
Only 1 left in stock - order soon Inventory available from other suppliers, prices may be different

$137.24

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  • Central Tools
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    Central Tools Homepage
  • Model: 268190
  • Shipping Weight: 1lbs
  • UPC: 780538020229
  • Manufacturers Part #: 3R401
  • Manufactured by: Central Tools
  • Also Known As: CEN-3R401, CE3R401, CE3R401, CEN3R401

This product was added to our catalog on Tuesday 24 April, 2018.

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