Circumference ruler 60-950 mm. Diameter 20-300 mm.
For measuring circumference and/or diameter with a reading of 0.1 mm.
• Width 13 mm
• Etched grading
• Nonius resolution (0,1 mm)
• Circumference is read on the lower scale
• Diameter is read on the upper scale
Note! When checking the extended length, 2.0 mm must be deducted from the set measurement value for construction reasons.
Tolerance (ISO 2768-1)
• From 0-30 mm, the tolerance is ±0.20
• From 30-300 the tolerance is ±0.30