Radius gauges (with digital indicator)
Range of external radius (R1): 100-625mm/4-24.606"
Range of internal radius (R2): 100-625mm/4-24.606"
Accuracy (mm)*: ±0.005R
L: 100mm
*R is the radius to be measured. For example, radius is 100mm, the accuracy is ±0.005x100=±0.5mm