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Kern ORA Series Analogue Refractometers Kern ORA 4FA, The Kern ORA 4FA refractometer measures the concentration of various industrial and automotive solutions by measuring their refractive index. It is particularly suitable for measuring and determining the concentration of AdBlue, glycol ethylene EG and propylene PG, battery fluid BF and measuring the freezing point of screen wash CW.The Kern ORA 4FA is a universal, maintenance free analogue manual refractometer. Its practical and robust design means that it can be used simply, efficiently and repeatedly in a production environment. Conversion of the displayed refractive index value is avoided by the built in calibrated scales, eliminating user calculation error. The scales have been specially developed, precisely calculated and have very thin, clear graduation lines. The refractometer is fitted with an eyepiece that is adjustable to match the individuals' eyesight.The ORA 4FA has automatic temperature compensation, which makes it possible to obtain precise measurements regardless of ambient temperature. Kern ORA 4FA Analogue Refractometer EGPGCWBF
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