Measuring devices 1. Yhd-m1 rail straightness measurer Name: yhd-m1 rail straightness measurer Id: c130 Rail straightness measurer applies to the straightness measurement after the restoration of welding. Product features The combination of non-contact laser sensors, precision guide rail and stepper motor enable repeatable, correct and reliable measurement. Simultaneously measure the flatness and weld seam height in both vertical and horizontal planes. Tablet pc or android phone for display and operation with friendly user interface. Transfer the test data via bluetooth so as to enable rapid completion of inspection tasks and obtain accurate results. Measurement can start by simple pressing a button, and the measurement data of two measurement planes (running face and side face) will be displayed on lcd display screen after a few seconds. Technical specifications ItemsUnitSpecifications 1Measuring lengthMm1000 2Measuring surfaceMmMeasuring running face and guide face simultaneously 3Measuring interval 201 samples/1000mm/surface 4Maximum rangeMm±5 5AccuracyMm0.01 6Time for each measurementS5~10 7Continuous working timeH48