Trumpf LASERCELL 1005, Operator'S Manual

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B337EN09.DOC
Measurement Results
9-3
2. Measurement Results
Extraneous noise Extraneous noise level L"pAeq = 51.1 dB
Measuring area sound
pressure Measuring-area sound pressure
level LpA,1m = 76.0 dB
LpA,1m = L’pA * - K1 - K2
Acoustic power
Acoustic power level LWA = 98.8 dB
L
WA
= LpA,1m + L
S
L
S
= 22.8 dB
Work place specific values Emission value LpAeq = 72.8 dB
LpAeq = L’pAeq - K1 - K2
Idling noise
Cooling system ON LpAeq = 68.0 dB
LpAeq = L’pAeq - K1 - K2
Idling noise
Cooling system OFF LpAeq = 63.3 dB
LpAeq = L’pAeq - K1 - K2
Workplace specific values
with low pressure cutting
(O
2
, pressure: 2 bar)
Emission value LpAeq = 63.4 dB
LpAeq = L’pAeq - K1 - K2
Measurement Results
Averaging level L’pAeq on the measured points MP1-29
MP L’pAeq MP L’pAeq MP L’pAeq
1 75.0 11 75.0 21 71.2
2 78.2 12 72.6 22 73.7
3 75.7 13 73.2 23 72.3
4 71.4 14 74.2 24 77.2
5 70.4 15 75.0 25 77.1
6 75.3 16 80.6 26 76.7
7 72.4 17 76.8 27 72.9
8 73.5 18 76.2 28 75.9
9 77.0 19 74.9 29 74.6
10 79.8 20 74.1
Averaging level on the measured points
Tab. 9-3
Tab. 9-4