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Brand: Rosemount
Rosemount SeniorSonic 3414 4-Path Gas Ultrasonic Flow Meter
Description
A custody transfer gas ultrasonic meter for transmission pipelines
The Rosemount SeniorSonic 3414 is a 4-path chordal gas ultrasonic flow meter engineered for custody transfer, offering bidirectional flow, high capacity and no incremental pressure drop in line sizes from 4 to 42 in. (DN100 to DN1050). It is driven by Rosemount 3410 Series Electronics, which provide fast sampling, an archive data log with pressure, temperature and gas composition, and calculation of corrected volume, mass and energy rates, so the meter can act like a redundant flow computer. Rangeability is above 100:1, which Emerson says can mean fewer meter runs and smaller line sizes. Typical sites are gas plant inlets and outlets, underground storage, offshore and onshore production, and city gate stations.
Technical specifications
| Parameter | Specification |
|---|---|
| Measurement | 4-path (eight transducer) chordal design |
| Calibrated accuracy | ±0.1 % of reading over the entire flow calibration range |
| Repeatability | ±0.05 % of reading for 5 to 100 ft/s (1.5 to 30.5 m/s) |
| Velocity range | Nominal 0.5 to 30 m/s (1.7 to 100 ft/s); over-range above 38 m/s on some sizes |
| Performance standards | AGA 9 2022 / ISO 17089; OIML R137 Class 0.5; MID Class 1.0; Measurement Canada AG-0623 |
| Line sizes | DN100 to DN1050 (4 to 42 in.); consult factory above DN900 |
| Flanges | Raised face and ring type joint for ANSI Class 300 to 2500 (PN 50 to 420); compact flanges and hub ends optional |
| Body materials | Cast ASTM A352 LCC, A351 CF8M/CF3M (316/316L), A995 4A duplex; forged A350 LF2, A182 F316/F316L, F51, A105 |
| Transducers / gas temperature | T-200: -50 to 125 °C, 1.03 to 258.55 bar; T-21, T-41, T-22 also available (100 to 275.79 bar) |
| Electronics | Rosemount 3410 Series; 10.4 to 36 VDC, 8 W typical, 15 W maximum; optional local LCD display |
| Outputs and communication | RS-232/RS-485 Modbus RTU/ASCII, Ethernet Modbus TCP, six frequency/digital outputs, two 4-20 mA inputs, one 4-20 mA output (HART 7) |
| Speed of sound | AGA 10 (2003) and GERG-2008 (AGA 8 Part 2, 2017) |
| Electronics enclosure | Aluminium NEMA 4, IP66 (stainless steel NEMA 4X option); remote mount with 4.6 m cable required above 60 °C process temperature |
| Hazardous area | UL/cUL Class I Div 1 Groups C and D; ATEX Demko II ATEX 1006133X, II 2G Ex db ia IIB T4 Gb; IECEx and INMETRO Ex db ia IIB T4 Gb |
| Logs | Hourly logs for 180 days and daily logs for five years |
Diagnostics and software
The meter works with MeterLink diagnostics software, which Emerson offers as a no-charge download and which is required for transmitter configuration. It provides expert flow analysis, flow disturbance alerts, baseline viewer, speed-of-sound comparison, transducer health monitoring and maintenance logs, and the current firmware adds SMART Meter Verification with scheduled or on-demand PDF or XML reports. Newly shipped devices carry a QR code asset tag to reach serialised documentation in a MyEmerson account.
Sizing and ordering
The datasheet provides flow-rate tables by line size and operating pressure based on Schedule 40 bore, 15 °C and a typical AGA 8 Amarillo gas; for example a DN200 meter at 4,500 kPag at 30.5 m/s passes about 178 thousand standard cubic metres per hour. Materials of construction, flange class, transducer type, electronics options and approvals are selected through the configurator code and must be specified by the customer; the datasheet notes that selecting suitable materials for the service is the user’s responsibility. For flow computers see the FloBoss S600+ and browse other products in Flowmeters.
How the Rosemount SeniorSonic 3414 works
Pairs of transducers send ultrasonic pulses across the gas in the pipe. A pulse sent with the flow arrives sooner than a pulse sent against it. The electronics measure this time difference on four chordal paths. From it they work out the gas velocity and then the volume flow.
Where the SeniorSonic 3414 is used
- Gas plant inlets and outlets
- Underground storage
- Offshore production
- Onshore production
- City gate stations
Selection checklist for the SeniorSonic 3414
- Line size
- Flange class
- Body material
- Gas pressure and temperature
- Flow range
- Transducer type
- Output and communication needs
- Electronics mounting
Installation, commissioning and maintenance notes for the SeniorSonic 3414
Install the meter with the straight pipe run the site design calls for. Fit the flanges and the gaskets and tighten them evenly. Connect the supply and the signal cables to the electronics. Enter the line data and check the zero flow reading. Read the diagnostics at regular intervals.
Requesting a quotation for the Rosemount SeniorSonic 3414
Please send the line size, the pressure, the flange class and the gas data. Seven Star LLC serves industrial customers in Oman and the GCC and replies with a quotation based on the information provided.
SeniorSonic 3414 measuring paths
The meter has four chordal paths and eight transducers.
SeniorSonic 3414 accuracy
The calibrated accuracy is plus or minus 0.1 percent of reading.
SeniorSonic 3414 repeatability
The repeatability is plus or minus 0.05 percent of reading.
SeniorSonic 3414 rangeability
The rangeability is above 100 to 1.
SeniorSonic 3414 line sizes
Line sizes run from DN100 to DN1050.
SeniorSonic 3414 velocity range
The nominal velocity range is 0.5 to 30 m/s.
SeniorSonic 3414 flow direction
The meter measures flow in both directions.
SeniorSonic 3414 pressure drop
It adds no incremental pressure drop.
SeniorSonic 3414 electronics
The electronics are the Rosemount 3410 Series.
SeniorSonic 3414 supply
The supply is 10.4 to 36 VDC, 8 W typical.
SeniorSonic 3414 communication
It supports Modbus RTU, Modbus ASCII, Modbus TCP and HART.
SeniorSonic 3414 enclosure
The aluminium enclosure is rated IP66.
Gas meter records for the SeniorSonic 3414
Record the diagnostics, the speed of sound readings and the date of each check.
Choosing the right SeniorSonic 3414 size
Choose the line size so the normal flow sits well inside the velocity range of the meter.
Documents and quotation
The Emerson product data sheet 00813-0100-3414 (Rev AI, April 2025) is attached. For a quotation we need line size and flange rating, gas composition and operating pressure and temperature range, flow range, material and NACE or NORSOK requirements, hazardous area approval, and the metrology approval needed, so that the meter can be configured against the manufacturer configurator.
Datasheets & Documents
- Datasheet Rosemount SeniorSonic 3414 Product Data Sheet 00813-0100-3414 Rev AI (April 2025) Download
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About brand
The Rosemount 3051 is one of the most frequently specified pressure transmitters in process plants, and it sits at the center of this listing. Rosemount, a measurement brand that dates from 1956 and has its home in Shakopee, USA, covers pressure, temperature, level and flow with instruments identified by a model string on the nameplate.
Seven Star LLC is an independent supplier listing Rosemount pressure transmitters, level instruments, temperature transmitters, flowmeters and analytical sensors for sites in Oman and the GCC.
Rosemount product families on this page
Pressure includes the 3051 in its variants (3051T in-line, 3051L for liquid level, 3051CF DP flowmeter and the 3051SMV MultiVariable transmitter), the 2051 and 1199 diaphragm seal systems. Level instruments are the 3300 guided wave radar, the 5408 non-contacting radar and the 2120 vibrating fork switch. Temperature is covered by the 248 and 644 head mount transmitters and the 848T high density transmitter for multiple sensor inputs. The 8800D vortex flowmeter and the 702 wireless discrete transmitter are also listed, along with liquid analysis sensors.
Where Rosemount instruments are used
These are standard instruments in oil and gas production, refining, petrochemical, power and water plants. Typical duties are line and vessel pressure, differential pressure flow across orifice plates, tank and separator level and interface, and temperature measurement on pipes, reactors and rotating equipment.
Ordering Rosemount transmitters: what we need
Send the complete model string and the serial number from the nameplate; a photo is ideal. Every character of the string selects something: range, output, materials of the isolating diaphragm and flange, process connection, housing, approval and options. If you are specifying a new point, give the measured variable and span, process fluid, pressure and temperature, connection, output (4-20 mA HART, FOUNDATION Fieldbus or wireless), display and hazardous area approval. For remote seals add flange size, rating and capillary length.
Browse Rosemount products by category: Pressure Instrumentation, Temperature Instrumentation, Level Transmitter, Liquid Analysis Sensors, Flowmeters.
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Frequently Asked Questions
What is the SeniorSonic 3414 designed for?
Custody transfer of natural gas in transmission lines. The datasheet lists power plant inlets, gas processing plant inlets and outlets, underground storage, onshore and offshore production, and city gate stations.
What accuracy does the datasheet state?
Flow calibrated accuracy is plus or minus 0.1 percent of reading over the entire flow calibration range, with repeatability of plus or minus 0.05 percent of reading for 5 to 100 ft/s (1.5 to 30.5 m/s). It states conformity to AGA 9 and ISO 17089.
Which line sizes are offered?
DN100 to DN1050 (4 to 42 in.); the datasheet says to consult the factory for sizes above DN900 (36 in.). DN100 and DN150 use a 45 degree dual X orientation and DN200 and larger use British Gas orientation.
What are the T-200 transducers?
Titanium encapsulated, non-wetted transducers that can be extracted under pressure without special tools. They are standard up to DN900 and optional on DN1050, with an operating gas temperature of -50 to 125 °C.
Is Seven Star LLC a distributor of Rosemount or Emerson?
No. Seven Star LLC is an independent industrial supplier in Muscat and is not a distributor or agent of Rosemount or Emerson. For custody transfer meters we work from the manufacturer's configurator code and certified drawings.
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