9 Directions for use and sound level meter maintenance.....................................................................26
9.1 Use warnings..............................................................................................................................26
9.2 Directions for use........................................................................................................................26
9.3 Calibration...................................................................................................................................26
9.4 Maintenance...............................................................................................................................27
9.5 Regular checking........................................................................................................................27
9.6 Change batteries.........................................................................................................................27
9.7 Replace the batteries with a battery pack...................................................................................27
9.8 Load the battery..........................................................................................................................28
9.9 AC adapter..................................................................................................................................28
10 Running informations.......................................................................................................................29
10.1 Over-range................................................................................................................................29
10.2 Power........................................................................................................................................29
11 Technical features.............................................................................................................................30
11.1 Microphone................................................................................................................................30
11.1.1 Sheet..................................................................................................................................30
11.1.2 Frequency response type – reference direction of the sound level meter........................30
11.2 Windscreen...............................................................................................................................30
11.3 Measured and displayed values...............................................................................................31
11.4 A – C – Z weightings and free field response...........................................................................31
11.5 Metrology...................................................................................................................................32
11.5.1 Main features.....................................................................................................................32
11.6 Plugs and connections..............................................................................................................32
11.6.1 I/O Interface.......................................................................................................................33
11.6.2 Transfer plug / load / mains voltage adaptor.....................................................................33
11.7 Memory and storage autonomy................................................................................................33
11.8 Power and storage autonomy...................................................................................................34
12 Packaging and accessories.............................................................................................................35
12.1 Supplied with.............................................................................................................................35
12.2 Optional.....................................................................................................................................35
13 LDB200 software..............................................................................................................................36
