testo 0554 Bedienungsanleitung Seite 20

20
Height offset values
Height in m amsl Pressure p in mbar
0-250
>250-850
>850-1450
>1450-2000
Example:
Height above mean sea level = 500
Target value = 94dB - 0.1dB = 93.9 dB
If the value displayed deviates from the
target value, the instrument should be
recalibrated.
Using a small screwdriver, turn the
instrument calibration screw until the
correct target value is displayed.
5 To check, set the calibrator level switch
to 114dB.
1013-984
983-915
914-853
852-795
Offset in dB
0.0
-0.1
-0.2
-0.3