Table of Contents
Advertisement
6. MAINTENANCE AND CHECKUP
Visually check the following items.
● Whether flow transmitter cover screws are loose.
● Whether cable glands are loose.
● Whether detecter mounting band is loose.
● Whether received wave is abnormal (LED lit red).
● Whether the main unit is dusty or dirty.
6.2.1. Checking the zero point
Stop the fluid flow, fill the measurement pipe fully, and check the zero point.
6.2.2. Reapplying silicon-free grease
When using silicon-free grease for the acoustic coupler, reapply it on the transmission surface of the sensor unit
approximately once every 6 months.
Note: Silicon rubber need not be reapplied.
Refer to the separate instruction manual "ULTRASONIC FLOWMETER DETECTOR".
INF-TN3FLR-E
6.1. Routine checkup
→
Retighten.
→
Retighten.
→
Tighten.
→
Check whether piping is filled or not. Remove bubbles or
foreign matters, if mixed in measurement pipe. Also check
if detecter mounting and wiring are normal.
→
Use a soft cloth to wipe them off. If necessary, moisten a soft
cloth with the water and wring it out before wiping.
Note) Do not use volatile solvents such as benzine or thinner,
6.2. Periodic checkup
as they may damage the paint or coating.
- 77 -
Advertisement
Table of Contents
