수분측정기 Handheld RefractometerEM2230BE(-60~0°C),P(-50~0°C),B(1.100~1.400sg) EM2230 ANTIFREEZE REFRACTOMETER Features CE Test the concentration of the battery fluids, antifreeze liquid and cleaning fluids. GENERAL DEION The EM2230 series are designed to test the concentration of the battery fluids, antifreeze liquid and cleaning fluids. With the indication of the percentage you may know at which te..