CASELLA CEL CEL-490 Manual de usuario descargar pdf (Pagina 30)

CEL-63x Environmental Noise Meter

30 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 Measurement View on page 32 for

instructions to change the instrument‟s setup.

The Run mode has five types of screen.

The Main screen.

The Graph screen.

The Octave and 1/3-Octave screen.

The Values 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 page 54

Octave 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

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CASELLA CEL CEL-490 Manual de usuario Pagina 30