LIMIT 7000 Manual De Instrucciones página 6

Leq is Equivalent continuous A sound. Gives an
average noise level over an preset period of time. As
longer time period as more accurate reading. Set time of
period by push MENU- button for 8 secunds till LEQ
shows on the display. Select time period with the ▲▼-
buttons. 10sec, 1min, 5min, 10min, 15min, 30min, 1h 8h
24h. Confirm by push FUNCTION-button.
Ln funktion shows percent of all measured values which
are over or equal alarm value.
5. Push WEIGING to select A or C weighting. With A
weighting the frequency respond the human ear. A is
commonly used for environmental measuring. C
weighting is a much flatter respond and is suitable for
analysing of machines, engines etc.
A weighting will automatically be selected when
measuring Leq.
Max value.
Push MAX HOLD-button and only the peak value will be
showed on the display.
Push again for return to instantaneous reading.
Alarm.
A LED-light on the instrument shows when the value is
over selected alarm level.
Ln functionen shows percent of all measured values
which are over or equal to the alarm value. The alarm
value is preset 85 dB, but can easy be changed
between 30-130 dB.
Memory.
4
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