Diameter Measuring Pi Tape

The Pi Tape brand HM-162 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.

HM-162 is graduated in inches, suitable for measuring diameters from 2 to 12in. HM-162M is Metric, and reads from 50 to 300mm to 0.01mm accuracy.

Features:

• Available in English and Metric styles
• Spring steel construction with engraved graduations and numerals

Included Items:

• Diameter Measuring Tape (Inches or Metric)
• NIST-Traceable Certificate of Calibration