The Pi Tape brand Diameter Measuring Tape gives a quick direct single reading of average diameter with micrometer accuracy simply by placing tape around periphery. It is used to measure round or out-of-round specimens of concrete, soils, and asphalt. The 0.01n (0.25mm) thick spring steel tape has graduations and numerals engraved and acid-etched on a ground surface. Vernier scale permits readings to .001in (.025mm) diameter; accuracy to ±.001in, furnished with certificate of calibration traceable to NIST.
Metric, and reads from 50 to 300mm to 0.01mm accuracy.
- Available in English and Metric styles
- Spring steel construction with engraved graduations and numerals
Thickness 0.01in (0.254mm)
Diameter 2 - 12in (50 - 300mm)
Accuracy Accuracy to ±.001in