Water · 1.5 · Underregistration · 3.31. Vehicle-Tank Meters

What is the acceptance tolerance (new or newly repaired device) for Water · 1.5 · Underregistration · 3.31. Vehicle-Tank Meters?

For Water, accuracy class is 1.5; condition is Underregistration; handbook 44 section is 3.31. Vehicle-Tank Meters; acceptance tolerance (new or newly repaired device) is 1.5 %; maintenance tolerance (device already in service) is 1.5 %; special test tolerance is 5.0 %, verified against its source on 2026-08-20.

1.5 - Water Underregistration 1.5 % 1.5 % 5.0 %

— nist.gov, retrieved 2026-08-20