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Check and maintenance, Daily check, Periodic inspection – Dwyer UXF3 User Manual

Page 110: Checking zero point, Reapplying grease

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6. CHECK AND MAINTENANCE

6.1. Daily Check

Visually check the following items.
x Whether flow transmitter cover screws are loose. Ÿ Tighten.
x Whether cable glands are loose.

Ÿ Tighten.

x Whether detector mounting band is loose.

Ÿ Stretch.

x Whether received wave is abnormal (LED lit red). Ÿ Check whether piping is filled or not. Remove bubbles or foreign

matters, if mixed in measurement pipe. Also check if detector
mounting and wiring are set up properly.

6.2. Periodic Inspection

6.2.1. Checking zero point

Stop the fluid flow, fill the measurement pipe fully, and check the zero point.

6.2.2. Reapplying grease

When using grease for the acoustic couplant, reapply it on the transmission surface of the sensor unit approximately once
every 6 months.
Note) Silicone rubber need not be reapplied.

Bulletin F-107-UXF3