3M BK4936, Version A: QE7052 manual Table A.42, IEC Range 70 dB to 160 dB

Page 38

Linear Operating Range

1/3 Octave Band

Table A.42 (Continued)

IEC 61672

Range 70 dB to 160 dB

	SPL Z Weighting			LEQ Z Weighting
Frequency	Linear Operating			Linear Operating
		Range (dB)			Range (dB)
31.5	73		163	73		163
1000	73		163	73		163
4000	73		163	73		163
8000	73		163	73		163
12500	73		163	73		163

Range 80 dB to 170 dB

	SPL Z Weighting			LEQ Z Weighting
Frequency	Linear Operating			Linear Operating
		Range (dB)			Range (dB)
31.5	85		173	84		173
1000	85		173	84		173
4000	85		173	85		173
8000	83		173	83		173
12500	84		173	83		173

IEC 651

Range -20 dB to 70 dB

	Frequency			SPL Z Weighting
			Linear Operating Range (dB)
31.5		29			74
1000		28			74
4000		28			74
8000		28			75
			Range -10 dB to 80 dB
	Frequency			SPL Z Weighting
			Linear Operating Range (dB)
31.5			28		85
1000			27		85
4000			27		84
8000			28		85

ANSI S1.4

Range 70 dB to 160 dB

	Frequency		LEQ Z Weighting
		Linear Operating Range (dB)
31.5		73		163
1000		73		163
4000		73		163
8000		73		163
		Range 80 dB to 170 dB
	Frequency		LEQ Z Weighting
		Linear Operating Range (dB)
31.5		85		173
1000		85		173
4000		85		173
8000		83		173

IEC 804

Range -20 dB to 70 dB

	SPL Z Weighting		LEQ Z Weighting
Frequency	Linear Operating		Linear Operating
	Range (dB)		Range (dB)
4000	30	74	30	74

Range -10 dB to 80 dB

	SPL Z Weighting		LEQ Z Weighting
Frequency	Linear Operating		Linear Operating
	Range (dB)		Range (dB)
4000	29	84	29	84

053-469 RevC

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