Casella CEL CEL-63X - Manual (Page 31)

CEL-63x Environmental & Occupational Noise Meter
31 Casella CEL
Measurement run screens
The CEL-63x instrument captures measurements when it operates in the Run
mode. The functions displayed depend on settings defined by the Measurement
View in the instrument‟s setup. Refer to
Setup on page 33 for instructions to
change the instrument‟s setup.
The Run mode has six types of screen.
The Main screen .
The Ln‟s screen .
The Qctave and 1/3-Octave screens .
The Values screen .
The Graph screen .
The Marker screen .
All the measurement run screens show the Run number, and the Run duration.
Each screen also has a pause control and a View option.
Select the View option on each screen to change from one screen to the next.
Main screen
The Main screen shows measured function values numerically
and as a series of bars against a vertical scale.
Ln’s screen
The Ln‟s screen shows statistical Ln measurements for the run.
Depending on model refer to
Statistical values on page 54
Qctave and 1/3-Octave screens
The Octave and 1/3-Octave screens show measurements for the
octave or 1/3-octave spectrum bands and A, C, Z values.
You can use the navigation keys to select individual bars on the
screen. The screen shows the following measurements digitally:
The centre frequency of the selected octave, for example 2 kHz.
The sound pressure level (dB) of the measurement in the selected
octave.
The name of the measurement function, for example L
Aeq
.