# Petroleum products delivered from large capacity (flow rates over 115 L/min or 30 gpm)** devices, including motor-fuel devices · 0.3 · 3.31. Vehicle-Tank Meters — How far off a US fuel pump, LPG meter or EV charger is allowed to be (NIST Handbook 44) For Petroleum products delivered from large capacity (flow rates over 115 L/min or 30 gpm)** devices, including motor-fuel devices · 0.3 · 3.31. Vehicle-Tank Meters, device or commodity is Petroleum products delivered from large capacity (flow rates over 115 L/min or 30 gpm)** devices, including motor-fuel devices; accuracy class is 0.3; acceptance tolerance (new or newly repaired device) is 0.15 %; maintenance tolerance (device already in service) is 0.3 %; special test tolerance is 0.45 %, verified against its source on 2026-08-20. - **Device or commodity:** Petroleum products delivered from large capacity (flow rates over 115 L/min or 30 gpm)** devices, including motor-fuel devices _(verified: appears in the quote below)_ - **Accuracy class:** 0.3 _(verified: appears in the quote below)_ - **Acceptance tolerance (new or newly repaired device):** 0.15 % _(verified: appears in the quote below)_ - **Maintenance tolerance (device already in service):** 0.3 % _(verified: appears in the quote below)_ - **Special test tolerance:** 0.45 % _(verified: appears in the quote below)_ - **Handbook 44 section:** 3.31. Vehicle-Tank Meters _(verified: appears in the quote below)_ - **Edition:** 2026 _(verified: appears in the quote below)_ ## What the source says > - Petroleum products delivered from large capacity (flow rates over 115 L/min or 30 gpm)** devices, including motor-fuel devices - Heated products (other than asphalt) at 0.3 temperatures greater than 50 °C (122 °F) 0.15 % 0.3 % 0.45 % ## Source - https://www.nist.gov/document/2026-nist-handbook-44-section-331 Last verified: 2026-08-20. Review by: 2027-08-20. Part of [How far off a US fuel pump, LPG meter or EV charger is allowed to be (NIST Handbook 44)](https://referencesource.org/motor-fuel-dispenser-measurement-tolerances-nist/).