Sper Scientific 850013 Advanced Datalogging Sound Meter - Manual (Page 15)

15
MEASUREMENT PROCEDURES
1. Press POWER to turn the meter on.
2. Select the desired response time and frequency
weighting.
Note…
If the sound source consists of short bursts or sudden
changes in sound level, set the response time to FAST. To
measure typical sound level, use the SLOW setting.
3. Hold the meter in a comfortable position or attach to a
tripod and point the microphone towards the noise
source. The sound pressure level reading will appear
on the LCD.
Maximum and Minimum
1. With the meter turned on, press MIN/MAX. “MAX” and
the maximum value appear on the LCD. The LCD will
continuously update and display as new maximum
values are reached.
2. Press MIN/MAX again. “MIN” and the minimum value
appear on the LCD. The LCD will continuously update
and display as new minimum values are reached.
3. Press MIN/MAX again. The maximum and minimum
indicators will blink simultaneously to indicate that the
meter is recording maximum and minimum values. The
current value displays on the LCD. To view the
maximum and minimum values obtained during
recording (since Step 1 in the Maximum/Minimum
instructions), press MIN/MAX to view the maximum and
press MIN/MAX again to view the minimum.