Reference Source

Large capacity motor-fuel dispensers · 0.3 · 3.37. Mass Flow Meters

For Large capacity motor-fuel dispensers · 0.3 · 3.37. Mass Flow Meters, device or commodity is Large capacity motor-fuel dispensers; accuracy class is 0.3; acceptance tolerance (new or newly repaired device) is 0.2 %; maintenance tolerance (device already in service) is 0.3 %; special test tolerance is 0.5 %, verified against its source on 2026-08-20.

Device or commodity
Large capacity motor-fuel dispensers verified
Accuracy class
0.3 verified
Acceptance tolerance (new or newly repaired device)
0.2 % verified
Maintenance tolerance (device already in service)
0.3 % verified
Special test tolerance
0.5 % verified
Handbook 44 section
3.37. Mass Flow 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

0.3 - Large capacity motor-fuel dispensers (maximum 0.2 % 0.3 % 0.5 % discharge flow rates greater than 100 L/min or 25 gal/min)

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.