Model 90 Quantifier Sound Level Meter
Page 36
Display
Comments
The measurement range is 40dB
to 110dB and the noise level is
120.6dB.
The instrument is overloading and
the O/L symbol is shown.
The measurement range is 70dB
to 140dB and the noise level is
58.9dB.
The instrument is under ranging
and the U/L symbol is shown.
The bar graph at the top of the screen can be used to select the appropriate
measurement range. As the user moves between the different measurement ranges,
the bar graph changes the top and bottom to match the measurement range. The noise
level being measured is shown in the bar graph.
The diagram above shows how the bar graph will show where the noise level is
placed within the selected measurement range. Select the appropriate measurement
range to suit the noise levels to be measured.
