The 40-B is a scale variation of the 40-A and is calibrated in percent modulation, referenced at 100%. It has a lower scale in dB from -36 to +3dB.
For accurate peak protection at transmission sites.
The 40-A series Loudness Meters are considered the standard models with built-in power supplies. They are the large ARC-Style, three color LED display single channel meters.
The Remote Control (RW-100) is now available for these units and will access the functions of phase correlation display, peak hold, sum/diff, and activate a reference mode allowing for accurate 0 setting within .1dB. A red LED notification alarm is present on the front of the unit.
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