Robinair Refractometer

Order No. ROB-75240

$Robinair Refractometer$

The ROB75240 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.
It can also be used for checking the strength of electrolyte solution batteries.
This precision instrument features high-quality optics with ultra-smooth focusing.
Scale range: 32DEG F to -60DEG F

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