Butyro Refractometer

Index of Measuring Range : 1.42 to 1.49
Accuracy : 0.0002
Micrometer Accuracy : 0.01% on the oil (Butyro) scale
Index of Measuring range : 1.42 to 1.49 to an accuracy of 0.0002.
Micrometer allows accuracy : 0.01% on the oil (Butyro) scale.