15.6 Filters by octave bands: from 16 Hz to 16 kHz (class 1) and from 31.5 Hz to 8 kHz (class 2)..............61
15.7 Measured and displayed values...........................................................................................................61
15.8 Metrology of the class 1 DB300............................................................................................................62
15.9 Metrology of the class 2 DB300............................................................................................................63
15.10 Plugs and connections.......................................................................................................................64
15.10.1 Removable preamplifier PR23....................................................................................................64
15.10.2 Plugs.......................................................................................................................................... 64
15.10.3 I/O interface................................................................................................................................65
15.10.4 Transfer plug / load / mains voltage adapter...............................................................................65
15.11 Memory and storage autonomy..........................................................................................................65
15.12 Audio recording capacity....................................................................................................................66
15.13 Power and operating autonomy..........................................................................................................66
16 Packaging and accessories.........................................................................................................................67
16.1 Supplied with........................................................................................................................................ 67
16.2 Optional................................................................................................................................................ 67
17 LDB23 software........................................................................................................................................... 68
18 Options........................................................................................................................................................ 69
18.1 Analyzer – integrating averaging with storage sound level meter function – filters by third octave
bands: 1/3 octave......................................................................................................................................... 70
18.1.1 Settings before measurement.......................................................................................................71
18.1.2 Measurement launch....................................................................................................................71
18.1.3 During measurement....................................................................................................................71
18.1.4 Stop the measurement.................................................................................................................72
18.1.5 Store data..................................................................................................................................... 73
18.1.6 Read the file data in 1/3 octave mode...........................................................................................73
