Reference Source

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

For Water · 1.5 · Underregistration · 3.31. Vehicle-Tank Meters, device or commodity is Water; accuracy class is 1.5; 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.

Device or commodity
Water verified
Accuracy class
1.5 verified
Acceptance tolerance (new or newly repaired device)
1.5 % verified
Maintenance tolerance (device already in service)
1.5 % verified
Special test tolerance
5.0 % verified
Condition
Underregistration verified
Handbook 44 section
3.31. Vehicle-Tank Meters verified
Edition
2026 verified
Sourcenist.gov
Verified
Review by
DatasetHow far off a US fuel pump, LPG meter or EV charger is allowed to be (NIST Handbook 44)

What the source says

1.5 - Water Underregistration 1.5 % 1.5 % 5.0 %

nist.gov, retrieved 2026-08-20

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.