“LF” filter according to EPA-93-F105-02-104 Low Frequency Noise Control Regulations
“LF” filter characteristic
“HP1” filter is used for the acceleration measurements (the vibration signal) in the frequency range from 1 Hz
to 20 kHz.
“HP1´ filter characteristics
“HP3” filter is used for the acceleration measurements (the vibration signal) in the frequency range from
3.5 Hz to 20 kHz
”HP3” filter characteristics
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