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75240 Robinair Coolant and Battery Refractometer (Fahrenheit) 32 F to -60 F

75240 Robinair Coolant and Battery Refractometer (Fahrenheit) 32° F to -60° F
Price $66.65

Product Code: RO75240

Description Prop65
The Robinair 75240 Hand Refractometer is a portable, precision optical instrument used for measuring the freeze point of engine coolant and the operation state of battery charging liquid. It is used on transportation vehicles, such as cars, tractors, tanks, ships, etc., which use propylene or ethylene glycol for coolant and sulphuric acid for charging liquid. When a liquid (such as coolant or charging liquid) is placed on the prism, the light passing through it is bent. The more concentrated the liquid, the more the light will bend. The refractometer contains a reticle, or scale, that is enlarged through the eyepiece to measure this bent light. The values of the scale have been established to evaluate the coolant or charging liquid.
Robinair Refractometer Scale
Product Features
  • Style: Battery/Coolants
  • Model: 75240
  • Range: 60F 32F / 1.15 1.30 sg
  • Resolution: 10F; 0.01 sg
  • Size: 27 x 40 x 160
  • Eyeshade
  • Screw driver
  • Leather cover
  • Glass rod
  • Soft cloth

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