The Rosemount™ 3416 4+2 Dual‑Configuration Gas Ultrasonic Flow Meter delivers high‑integrity custody transfer measurement by combining a four‑path chordal meter with dual reflective paths for continuous verification and early liquid detection.
The dedicated vertical diagnostic path identifies trace liquids and contamination before they impact accuracy, helping reduce uncertainty, minimize lost and unaccounted for (LAUF) gas, and ensure reliable, audit‑ready performance in natural gas applications.​
Rosemount 3416 Gas Ultrasonic Flow Meter
Rosemount™ 3416 4+2 Dual-Configuration Gas Ultrasonic Flow Meter

Specs

Line Sizes
DN100 to DN600 (4-in to 24-in)
Fluid Type
Gas
Accuracy
4-Path Meter: ±0.1% of reading relative over entire calibration range
Repeatability
4-Path Meter: ± 0.05% of reading for 5 to 100 ft/s (1.5 to 30.5 m/s)
2-Path Meter: ± 0.1% of reading for 5 to 100 ft/s (1.5 to 30.5 m/s)
Velocity
Rated up to 100 ft/s (30 m/s) with over-range performance exceeding 125 ft/s (38 m/s) on some sizes
Operating Temperature Range
–58°F to +212°F (–50°C to +125°C)
Operating Pressure Range
0 to 4,000 psig (276 barg)​
Materials
Carbon steel and stainless steel
Safety and Environmental Compliance​
UL / cUL
CE
ATEX
IECEx
NEMA 4 or NEMA 4X and IP66​
Custody Transfer Compliance
AGA 9​
ISO 17089​
IOML R137​
MID

Features

  • Detect trace liquids early with a dedicated vertical reflective path designed to identify contamination along the pipe bottom in real time.​
  • Identify pipeline wall buildup and contamination with a second reflective path that increases sensitivity to boundary layer changes.​
  • Reduce custody transfer uncertainty with independent verification from reflective and chordal measurement paths that are subject to different failure modes.​
  • Detect flow disturbances early with diagnostics that identify swirl, asymmetry, blockage, and changing gas conditions before measurement bias occurs.​
  • Minimize LAUF and protect revenue by identifying liquid accumulation and buildup before they impact measurement accuracy.​
  • Increase operational flexibility with >100:1 rangeability to support wide flow conditions with fewer meter runs.
  • Simplify troubleshooting with Smart Meter Verification that converts diagnostic data into clear, actionable insights.​
  • Visualize real-time flow conditions with multi-path diagnostics that provide a 3D view of the flow profile.​
  • Automate compliance with embedded AGA 8 and AGA 10/GERG-2008 calculations to support consistent, audit-ready gas measurement.​

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