KAGRA Logbook

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PEM (Center)

takaaki.yokozawa - 15:28 Tuesday 28 January 2020 (12674)

Placed portable PEMs to the IXC area

[YokozaWashimi]

For the check of the air compressor with new configuration, we placed two microphones and one accelerometer.

K1:PEM-SENSOR_RACK_IX0_BNC2 : Microphone around IX0 rack

K1:PEM-SENSOR_RACK_IX0_BNC3 : Microphone around the air compressor

K1:PEM-SENSOR_RACK_IX0_BNC4 : Accelerometer on the air compressor

Comments to this report:

takaaki.yokozawa - 11:50 Monday 03 February 2020 (12751)

I checked the signal from IXC air compressor.

From air compressor, there is signal with the span of the 2Hz.

Instead, there is another continuous source of sound around IX0 rack.

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