FIELD: measuring equipment.
SUBSTANCE: invention relates to a measuring device for measuring cylindrical pipes used in chemical and similar plants. Measuring device for measuring the cylindrical pipe is designed in such a way that it is possible to fold with each other its parts and immobilize it with respect to the outer circumference of reaction tube (11); and the measuring device comprises: left upper plate (21a) and right upper plate (21b), each of which is provided with a notch; connecting member (23) for connecting these upper plates on the outer circumference of reaction tube (11); and holding member (28) for holding the opening portion comprising left upper plate (21a) and right upper plate (21b) that can be opened and closed.
EFFECT: creation of a device for measuring a cylindrical tube in a simple way with high accuracy.
5 cl, 8 dwg
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