Daniel 3415, 3416 and 3417 dual gas ultrasonic meters

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Emerson Process Management has announced a Daniel gas ultrasonic flow meter platform that provides two British Gas meters and transmitters in a single body. Designed to permit two completely independent measurements with the installation of a single flow meter, the Daniel 3415 (four-path + one-path) and 3416 (four-path + two-path) gas ultrasonic flow meters combine a four-path fiscal meter with an additional check meter, while the 3417 (four-path + four-path) meter provides two fiscal meters for full redundancy and equal accuracy within one meter body.

Both the Daniel 3415 and 3416 gas ultrasonic meters measure flow using four horizontal chordal paths in addition to a reflective path dedicated to verification of the primary measurement. The 3416 meter is also equipped with an additional vertical reflective path to detect liquid or very thin layers of contamination at the bottom of the meter that otherwise remain completely hidden in a direct-path meter design.

The Daniel 3417 gas ultrasonic meter has a dual-plane configuration that combines two independent four-path British Gas fiscal meters into one meter body. The 3417 meter is suitable for border stations that are becoming bidirectional, storage applications, remote locations such as offshore platforms or for use on large compressor stations or lines without a bypass.

All meters are approved to the more stringent class 0.5 of OIML R137 MID accuracy. In addition, they feature redundant electronics with a patented transducer synchronisation function, which coordinates the acoustic firing of both meters to avoid interference between them.