Functional Principle - Ultrasonic-Flow Measurement - RMG USM GT400 Operating Manual

4 Functional principle – Ultrasonic-flow measurement
4 Functional principle – Ultrasonic-
flow measurement
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Content
4.1 General description
4.2 Correction of the base line
4.2.1 Base line correction via polynomial
4.2.2 Correction via a piecewise linearization
4.3 Diagnostic function Speed of Sound
4.3.1 Standard method of SoS calculation
4.3.2 SoS calculation via gas components
4.3.3 Extended SoS calculation
4.4 Import of gas composition data
4.4.1 Option 4: Data input on fixed defaults
4.4.2 Data input on fixed defaults for air
4.4.3 Data input via RMGBus
4.4.4 Data via Modbus (USM GT400 is SLAVE)
4.4.5 Import of data via Modbus (USM GT400 is Master)
4.54.5 Batch modeBatch mode
Manual USM GT400 · EN10 · May 2021
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