Family Owned & Operated Since 1971• Bakersfield, CA
4+1 dual-configuration gas ultrasonic flow meter — combines the 3414 SeniorSonic 4-path chordal British Gas design (custody transfer) with a single-path reflective check meter in one body. The 4-path measures custody-grade fiscal flow; the +1 path provides continuous real-time measurement verification and early warning of process drift, contamination, or meter deviations. Same single-spool installation as a 3414. Used wherever you want fiscal accuracy plus built-in self-checking for high-confidence custody transfer.
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