Radius gauges (with digital indicator)
Range of external radius (R1): 500-11250mm/19.685-442.913"
Range of internal radius (R2): 500-11250mm/19.685-442.913"
Accuracy (mm)*: ±0.005R
L: 300mm
*R is the radius to be measured. For example, radius is 100mm, the accuracy is ±0.005x100=±0.5mm