REMOVABLE GRADATION DEVICE AND MEASUREMENT METHOD THEREOF

摘要

The present invention relates to a gradation device detachable from a burette comprising: detachable upper and lower fixing parts fixed on the outer side of a burette; an automatic winding part of a graduated ruler, which is fixed on the lower fixing part and capable of adjusting the length of the graduated ruler; and the graduated ruler wherein one side is accommodated in the automatic winding part of the graduated ruler and the other side is fixed on the upper fixing part, and to a method for measuring liquid volume in a burette using the detachable gradation device. Through the detachable gradation device, the present invention may simply and precisely yield emission quantity without inconvenience of reading and calculating gradations before or after discharging liquid.