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Battery Coolant Refractometer


Price starts at $89.99

Product Code : RF40

Manufacturer : Extech

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  • Automotive coolant refractometer measures the freezing point of coolants plus battery charge condition
  • Provide accurate and repeatable measurements of % Ethylene Glycol and Propylene Glycol and øF on easy to read scale
  • Automatic Temperature Compensation
  • Requires only 2 or 3 drops of solution
  • The prism and lens with a simple focus adjustment provides repeatable results


This precision optical instrument should be handled gently; avoid touching the optical surface. Careful use of this instrument will provide years of reliable service.

General Specifications
Range -60 to 32øF Propylene and ethylene glycol freeze point, 1.15 to 1.30 specific gravity of battery acid
Resolution 10øF glycol freeze point, 0.01 specific gravity of battery acid
Dimensions 6.5x1.5x1.5" (165x38x38mm)
Weight 7.O oz
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