Digital sound meter. Two different weightings A or C and two response times Fast and Slow. With A-weighting the frequency responds to the human ear and is commonly used for environmental measurings. C-weightings is are much flatter response and is suitable for the sound level analysing of machines, engines etc.
Fast response time to capture noise peaks and noises that occur very quickly. Slow response time to monitor a sound that has a consistent noise level or to average quickly changing levels. Select equivalent with adjustable time period from 10 sec to 24 hours to get an average value over a longer period.
Memory for 30 groups of measurement. The instrument can also be connected to PC for
registration of data. Max value function. Alarm function, select an alarm value and the
instrument shows with LED-lamp when sound level is over value, and percent of all readings over alarm value. Adjustable manual or automatic off.
Built in calibration signal 94 dB.
Standard IEC 651 Type 2, ANSI 1,4 Type 2.
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