Measuring device “Struna”

It is intended for measurement of nonstraightness of cylinder axes over the basic length of 1 m in the horizontal plane.

Basic set:

  • measuring unit;
  • recording unit (PC with the software);
  • bar with a cable;
  • calibration pipes.

The device can be equipped with different centering units which allow to measure any pipes of diameters in range from 32 to 200 mm.

The software has a system of the access levels of the user and allows to study in details product parameters, to keep the obtained data in text and graphic types.

Technical characteristics

Controlled diameter of the cylinder, mm 32…200
Range of measurement of a straightness of the cylinder inner bore based on 1 m, mm +/- 1,000
Length of the measured cylinders, mm to 7000
Measurement pitch on length of the cylinder, mm 10, 20, 100, 200
Least significant digit of values of nonstraightness, mm 0,001
Limit of the permissible error at the roughness of inner surface of the cylinder no less than Ra 0,63 µm, mm 0,015
Maximum permissible speed of movement of the measuring unit along the bore of the cylinder, m/s 0,2
Supply voltage, V 220

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