Thermo Electron Polysonics SX30, User Manual

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Troubleshooting & Maintenance
Signal Quality & Strength
Thermo Electron Corporation Polysonics SX30 User Guide 5-5
Signal quality and signal strength are indicators of how well suited an
application is for a Doppler flowmeter. To determine the quality of your
application, go to the Flow screen. Note the %SS and SQ numbers in the
bottom right corner. Refer to the following figure to determine the quality
of the application. Also refer to Table 5–1 for actions you can take to
attempt to improve signal quality and strength.
Figure 5–7.
The instrument is easy to maintain. The transducers and flowmeter are
factory service only components and maintenance free. The following table
describes the instrument components, appropriate maintenance, and a
recommended schedule.
Table 5–6. Suggested maintenance
Component Maintenance How Often
Transducers None: Factory service item N/A
Coupling compound Add more compound. Annually, or whenever:
1. Compound diminishes
2. Repositioning transducers.
3. Relocating meter.
Flowmeter None: Factory service item. N/A
Pipe strap Retighten Annually
Cable connections Ensure connections are
secure. Remove any buildup
within the connections. Complete as part of your
facility’s routine
maintenance.
Signal Quality &
Strength
Maintenance
General