Stangenzirkul consists of a rod and frame with two jaws: the upper with narrow measuring surfaces for measuring external measurements, the lower - for measuring external and internal measurements. The reach of the lower jaws for external measurements is 60 mm, the upper jaws - 40 mm.
On the frame a 0,1 mm nonius is fixed, for fine setting of the nonius a micrometric feed is used. Included in the State Register of measuring instruments of the Russian Federation.
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