Kimo DS300 User Manual

Contents

Kimo DS300 User Manual Manual pdf 15 page image

8 Classical sound level meterBefore each measurement, it is recommended to calibrate the instrument (see page 13).➢ Press 1 key from start screen.➢ Press another time 1 key to perform a fast measurement in classical sound level meter.DS300 instrument processes the sound pressure signal and displays at the same time the following information:• the temporally weighted sound pressure level• maximum and minimum values of levels on the measurement duration• the maximum peak level of sound pressure on the measurement durationThe used dynamic range allows a measurement from 40 to 140 dB without switching.8.1 Settings before perform the measurement➢ Choose the time constant pressing 1 key several times.For A-weighting frequency, the instrument proposes the measurement according two time constants: fast (F) or slow (S).Possible choices are:• LAF: dynamic range 40-140 dB – A-weighting frequency – F fast temporal weighting• LAS: dynamic range 40-140 dB – A-weighting frequency – S slow temporal weightingNote: C or Z frequency weightings of sound pressure peak level must be selected in « Measurement programming »menu.8.2 Perform a measurementMeasurement is immediate.During measurement, two actions are possible:• reset memorized levels.• hold measurement thanks to pause function.To reset all the values:➢ Press 3 key (Raz pictogram), resetting affects:• LAF or LAS maximum and minimum levels• LCpk maximum peak pressure value• information about overload• Pause function allows to stop the measurement in progress to avoid unwanted events or to perform a manualreport of results.➢ Press 2 key (hold pictogram)➢ Press again 2 key to back to measurement.➢ Leave classical sound level meter function and back to à home screen pressing 4 key.15①①DS300Cal.min. 73.4max. 115.7Raz85,2dBALCpk : 115.7 dBLAF