Mastercool 3705 Air Coolant Refractometer PSI BAR kPA Item model number : 424D

Item model number : 424D

Built for repeated use in demanding shop environments

Metric Finish: Matte Size (mm): 45 Length (mm): 611 Weight (g): 1

Hard stamped markings provide quick size identification

Pneumatic torque wrench delivers superior performance

Mastercool 3705 Air Coolant Refractometer PSI BAR kPA Item model number : 424DThe Mastercool 3705 Air Coolant Refractometer is a precision optical instrument designed for measuring the concentration of coolant and antifreeze mixtures. Built for professional automotive and industrial applications, it provides quick and accurate readings to ensure proper fluid protection levels. Its compact, handheld design makes it easy to use in shop environments, and it is supplied with a protective storage case for safe transport and storage.