Anhydrous ammonia · 1.0 · 3.37. Mass Flow Meters
For Anhydrous ammonia · 1.0 · 3.37. Mass Flow Meters, device or commodity is Anhydrous ammonia; accuracy class is 1.0; acceptance tolerance (new or newly repaired device) is 0.6 %; maintenance tolerance (device already in service) is 1.0 %; special test tolerance is 1.0 %, verified against its source on 2026-08-20.
- Device or commodity
- Anhydrous ammonia verified
- Accuracy class
- 1.0 verified
- Acceptance tolerance (new or newly repaired device)
- 0.6 % verified
- Maintenance tolerance (device already in service)
- 1.0 % verified
- Special test tolerance
- 1.0 % verified
- Handbook 44 section
- 3.37. Mass Flow Meters verified
- Edition
- 2026 verified
What the source says
1.0 - Anhydrous ammonia 0.6 % 1.0 % 1.0 % - LP Gas (including vehicle-tank meters)
— nist.gov, retrieved 2026-08-20
Source
- nist.govhttps://www.nist.gov/document/2026-nist-handbook-44-section-337