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Central Tools 3R101 Refractometer


Brand: Central Tools

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Product Description

Features and Benefits:

  • Check the freezing point of engine coolant
  • Inspect battery condition
  • Scales for ethylene glycol and propylene glycol
  • Calibrate with distilled water on prism
  • Adjustable eyepiece for sharp focus and precise reading

Central Tools battery and coolant refractometers protect your engine block from damage.  Their testers measure refractive index and are most accurate in checking the freezing point of your engine coolant and battery charge condition.  These easy-to-read Central Tool refractometers can be read in both Fahrenheit and Celsius and feature an adjustable eyepiece for sharp focus and precise reading

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