Address: No. 91-93, Lane 5, An Phu Ward, District 2, HCM City
Telephone: (+84) 24 6663 2426
Hotline: (+84) 961 739 336
Operation Time: all weekdays (except Sunday and National Holidays)

Daniel SeniorSonic 3414 Four-Path Gas Ultrasonic Flow Meter

Vendor: Rosemount

The Rosemount 8800 CriticalProcess Vortex Flow Meter allows for safe, on-line sensor replacement.

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Preferred worldwide for fiscal measurement, the next-generation Daniel™ SeniorSonic™ 3414 Four-Path Ultrasonic Flow Meter retains the field-proven, British Gas-chordal design while significantly increasing sampling speed with ultra-fast Daniel 3410 Series Electronics. This powerful, high-performance meter minimizes measurement uncertainty by enabling rapid detection of changing flow dynamics such as blockages upstream of the meter, abnormal flow profiles and liquid hydrocarbons. MeterLink™ Software displays a wealth of predictive diagnostics generated by the meter, providing expert flow analysis, flow disturbance alerts and suggested corrective actions, to expedite detection before measurement is impacted.


  • Increase I/O with new Type 4 CPU Module with up to six frequency or digital outputs
  • Speed issue resolution with 3D view of the flow profile that indicates swirl, crossflow, asymmetry and turbulence
  • Get an intuitive view of meter health and extend calibration cycles to minimize costs and downtime
  • Reduce manual errors with automatic calculations of AGA 8 Compressibility and AGA 10 Speed of Sound
  • Virtually eliminate incremental pressure drop and reduce energy costs with a full-bore design
  • Improve operational efficiency with bi-directional flow measurement and increased flow capacity
  • Enhance performance in harsh conditions with rugged Daniel T-20 Series Transducers
  • Field-replaceable transformer module simplifies maintenance and maximizes uptime
  • Increase I/O with new Type 4 CPU Module with up to six frequency or digital outputs


Line Sizes
DN100 to DN1050 (4-in to 42-in) with British Gas (BG) orientation
Fluid Type
±0.01% of reading relative over entire flow calibration range
±0.05% of reading for 5 to 100 fps (1.5 to 30.5 m/s)
Rated up to 100 fps (30 m/s) with over-range performance exceeding 125 fps (38 m/s) on some sizes
Operating Temperature Range
  • T-21 Transducers: -20°C to +100°C (-4°F to +212°F)
  • T-22 Transducers: -50°C to +100°C (-58°F to +212°F)
Operating Pressure Range
  • T-21/T-22 Transducers: 689 to 27,579 kPag (100 to 4,000 psig)
  • T-21/T-22 Transducers: 345 kPag (50 psig) minimum operating pressure available with reduced Qmax
  • T-22 Transducers: 0 to 689 kPag (0 to 100 psig) isolated transducer mou
Carbon steel and stainless steel