Purpose:
Used for experiment in fundamental physics course of colleges and universities, the balance can measure the relationship between load and spring extension, surface tension coefficient of liquid, specific density of object and micro-object weight.
Using method:
The instrument is shown as the figure: a sleeve④ is vertically installed on the three-leg base① with level adjustment screw②. 0.1 scale cursor⑤ is installed on top of the sleeve, and bobbin⑥ with the scale of millimeter is inserted in the sleeve. Rotary knob③ can, through the internal pulley and chain, adjust the height of scaled bobbin in the sleeve. Bolt⑦ is used to fix spring⑧, and clamp⑩ with small gap to hold index tube
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