0918 Digital Surface Profile Gauge (Roughness or Needle Gauge), Measuring Range: 0 - 5mm (0 - 0.2")
The 0918 Digital Surface Profile Gauge (Roughness or Needle Gauge), Measuring Range: 0 - 5mm (0 - 0.2") is a low cost option for surface profile measurement. The Surface Profile Gauge No. 0918 can also measure the depth of pits, cracks, craters and scratches of the outer (and in some cases the inside) surfaces of steel structures, pipes and concrete.
