Instrument Accuracy Specs: flow_meter_vortex
Accuracy, range, and performance specifications for process measurement instruments. Covers pressure transmitters (standard, high-accuracy, economy), differential pressure transmitters, temperature transmitters (RTD, thermocouple), flow meters (magnetic, vortex, Coriolis, ultrasonic, turbine), level transmitters (radar, GWR, ultrasonic, DP), pH analyzers, conductivity analyzers, dissolved oxygen sensors (amperometric, optical), and turbidity meters. Each record includes accuracy (% span or % reading), repeatability, turndown ratio, response time, ambient/process temperature range, max pressure, output signal, SIL rating, and MTBF. 28 records from Emerson, E+H, Yokogawa, Siemens, and Hach instrument datasheets.
| instrument type | measurement principle | MTBF years (years) | SIL rating | ambient temp range C max (degC) | ambient temp range C min (degC) | max pressure psi (psi) | notes | output signal | process temp range C max (degC) | process temp range C min (degC) | range max | range min | range unit | repeatability pct (%) | response time s (s) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| flow_meter_vortex | vortex shedding liquid-gas | 13 | SIL 2 | 65 | -40 | 1,480 | 0.75% rate typical liquid; 1.0% rate gas/steam; no moving parts; sensitive to vibration; min Reynolds 10000 | 4-20mA HART PROFIBUS | 400 | -200 | 30 | 0.5 | ft/s (gas/liquid) | 0.5 | 2 |
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