Asphalt at temperatures greater than 50 °C · 0.3A · 3.37. Mass Flow Meters

What is the acceptance tolerance (new or newly repaired device) for Asphalt at temperatures greater than 50 °C · 0.3A · 3.37. Mass Flow Meters?

For Asphalt at temperatures greater than 50 °C, accuracy class is 0.3A; handbook 44 section is 3.37. Mass Flow Meters; acceptance tolerance (new or newly repaired device) is 0.3 %; maintenance tolerance (device already in service) is 0.3 %; special test tolerance is 0.5 %, verified against its source on 2026-08-20.

0.3A - Asphalt at temperatures greater than 50 °C 0.3 % 0.3 % 0.5 % (122 °F)

— nist.gov, retrieved 2026-08-20