BRUEL & KJAER 2240 - Indicator Range; Linearity Range; Pulse Range; Linear Operating Range

CHAPTER 4
Specifications
19
4.9.4 Indicator Range
4.9.5 Linearity Range
Linearity Range according to the International Standard IEC 60804 is the difference between the Upper
and Lower Limit in the following table:
4.9.6 Pulse Range
Pulse Range according to International Standard IEC 60804 is the difference between the Upper and
Lower Limit in the following table:
4.9.7 Linear Operating Range
4.9.8 Peak C Range
Table 4.6
Indicator Range
according to Inter-
national Standard
IEC 60804
Range Name
Upper Limit
(dB)
Lower Limit
A-weighting (dB) C-weighting (dB)
1 140 60 60
2 110 30 36
Table 4.7
Linearity Range
according to Inter-
national Standard
IEC 60804
Range Name
Upper Limit
(dB)
Lower Limit
A-weighting (dB) C-weighting (dB)
1 140 60 60
2 110 30 36
Table 4.8
Pulse Range ac-
cording to Interna-
tional Standard
IEC 60804
Range Name
Upper Limit
(dB)
Lower Limit
A-weighting (dB) C-weighting (dB)
1 143 60 60
2 113 30 36
Table 4.9
A-weighted
Linear Operating
Range
A-weighting 31.5 Hz 1 kHz 4 kHz 8 kHz 12.5 kHz
110 – 30 dB
Upper Limit 70.0 110.0 111.0 108.0 105.0
Starting Point 54.0 94.0 94.0 94.0 94.0
Lower Limit 30.0 30.0 30.0 30.0 30.0
140 – 60 dB
Upper Limit 100.0 140.0 141.0 138.0 135.0
Starting Point 84.0 124.0 124.0 124.0 124.0
Lower Limit 60.0 60.0 60.0 60.0 60.0
Table 4.10
Peak C Range
according to Inter-
national Standard
IEC 61672 – 1
dB
110 – 30 dB
Upper Limit
113.0
Lower Limit
60.0
140 – 60 dB
Upper Limit
143.0
Lower Limit
80.0