Table 17-7: Velocity measurement problems and recommended actions (continued)
Problem Possible causes Recommended actions
Inaccurate velocity
reading
• Wiring problem
• Inappropriate measurement unit
• Incorrect flow calibration factor
• Incorrect density calibration factors
• Incorrect grounding
• Two-phase flow
• Problem with receiving device
• Incorrect sensor zero
• Verify that the measurement units are
configured correctly for your application.
• Zero the meter.
• Check the grounding of all components.
• Check for two-phase flow.
• Verify the receiving device, and the wiring
between the transmitter and the receiving
device.
• Replace the core processor or transmitter.
Configuration and Use Manual Troubleshooting
MMI-20025166 March 2019
Configuration and Use Manual 307
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