Gases at low pressure · 3.0 · Underregistration · 3.33. Hydrocarbon Gas Vapor-Measuring Devices

For Gases at low pressure · 3.0 · Underregistration · 3.33. Hydrocarbon Gas Vapor-Measuring Devices, device or commodity is Gases at low pressure; accuracy class is 3.0; acceptance tolerance (new or newly repaired device) is 3.0 %; maintenance tolerance (device already in service) is 3.0 %; condition is Underregistration, verified against its source on 2026-08-20.

What the source says

Gases at low pressure Overregistration 1.5 % 1.5 % 3.0 (for example, LPG vapor) Underregistration 3.0 % 3.0 %

— nist.gov, retrieved 2026-08-20

Source

• nist.govhttps://www.nist.gov/document/2026-nist-handbook-44-section-333

Last verified against source: 2026-08-20. Due for re-check by 2027-08-20. This page as Markdown · OKF bundle · full dataset as JSON.