3B SCIENTIFIC PHYSICS SPL 1012741 Manual De Instrucciones página 7

5. Care and maintenance

Before cleaning the equipment, disconnect it from its
power supply.

Use a soft, damp cloth to clean it.
6. Disposal

The packaging should be disposed of at local
recycling points.

Should you need to dispose of the equipment
itself, never throw it away in normal domestic
waste. Local regulations for the disposal of elec -
trical equipment will apply.
7. Example noise level values
Noise level
40 dB Quiet flat
50 dB Private study or work room
55 dB Outdoor park
60 dB Normal conversation
70 dB Loud conversation (1 m away)
80 dB
Large open-plan office/heavy road
traffic
85 dB Shouting (1 m away)
90 dB Diesel engine (10 m away)
100 dB
Heavy lorry
120 dB Uncomfortable noise level
130 dB Pain threshold
140 dB Jet aircraft (30 m away)
Example
Subject to technical amendments
© Copyright 2012 3B Scientific GmbH
Fig. 1 Display with "happy smiling face"
Fig. 2 Display with "frowning face"