Conrad TES-1356 Bedienungsanleitung Seite 9

2. Set the sound level calibrator power switch to the 94dB or 114dB position,
depending on the desired level of calibration. Select the level closest to the
upper limit of the level range intended for measurement.
3. Place the microphone of the sound level meter into the output of the sound
level calibrator.
4. Switch on the sound level meter and check the reading on the display. The
sound level meter must me readjusted if there is a difference between the
display reading and the output of the sound level calibrator ( 94dB or 114dB)
5. When the calibrator is not in use, please power off to save the battery
CAUTION!
Ambient sources of noise or vibration can cause a wrong calibration. Do the
calibration in quiet surrounding.
The low air pressure in high places has an effect on sound level measurements.
This have to take into consideration during the calibration.
Heigth Pressure in
in m mbar
amsl
0 1013
100 1000
200 990
300 978
400 966
500 955
600 944
700 932
800 921
900 910
1000 899
1100 889
1200 878
1300 868
1400 858
1500 847
set set value at
value at 114dB
94dB
94,0 114,0
94,0 114,0
94,0 114,0
93,9 113,9
93,9 113,9
93,9 113,9
93,9 113,9
93,9 113,9
93,9 113,9
93,8 113,8
93,8 113,8
93,8 113,8
93,8 113,8
93,8 113,8
93,8 113,8
93,8 113,8
Heigth Pressure in
in m mbar
amsl
1600 837
1700 827
1800 816
1900 806
2000 796
2100 786
2200 777
2300 768
2400 758
2500 749
2600 739
2700 730
2800 721
2900 711
3000 702
9
set set
value at value at
94dB 114dB
93,7 103,7
93,7 103,7
93,7 103,7
93,7 103,7
93,7 103,7
93,7 103,7
93,6 103,6
93,6 103,6
93,6 103,6
93,6 103,6
93,6 103,6
93,6 103,6
93,6 103,6
93,5 103,5
93,5 103,5