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Hello everyone,

Recently I observed a gradual decrease (2 mm/s in 21 days) in velocity level (RMS, 10-1000 Hz) recorded using a wireless vibration sensor installed at cooling tower gear. What I noticed is that there was also a gradual variation (rise; 4 deg in 21 days) in temperature recorded by the sensor. Temperature level (about 40 deg C) was within the operating range.

I just wanted to know whether this is a commonly observed phenomenon or not. And, is there any other possible reason of gradual drop.

Thank you.

Tags: temperature, vibration

I'm not an expert in cooling towers, but your will have to be little more specific, you said gear, I assume it's a gearbox and the wireless sensor has temperature and vibration at the same time, usually higher temperature means more friction/load, on the other hand less vibration usually means either less load or degradation of the condition.... Ok I have no idea what I'm talking about

RM

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