3M BK4936, Version A: QE7052 manual Table A.40

Page 26

Linear Operating Range

1/3 Octave Band

Table A.40 (Continued)

IEC 61627

Range 10 dB to 100 dB

			SPL A			LEQ A
		Weighting			Weighting
			Linear			Linear
Frequency		Operating			Operating
		Range (dB)			Range (dB)
31.5		63		105	63		105
1000		24		105	24		105
4000		22		104	22		104
8000		25		105	25		105
12500		28		105	28		105
	Range 20 dB to 110 dB
			SPL A			LEQ A
		Weighting			Weighting
			Linear			Linear
Frequency		Operating			Operating
		Range (dB)			Range (dB)
31.5		66		115	66		115
1000		25		115	25		115
4000		24		114	24		114
8000		27		115	27		115
12500		30		115	30		115
	Range 30 dB to 120 dB
			SPL A			LEQ A
		Weighting			Weighting
			Linear			Linear
Frequency		Operating			Operating
		Range (dB)			Range (dB)
31.5		73		125	73		125
1000		33		125	33		125
4000		32		124	32		124
8000		34		125	34		125
12500		37		125	37		125
			IEC 61627
	Range 40 dB to 130 dB
			SPL A			LEQ A
		Weighting			Weighting
			Linear			Linear
Frequency		Operating			Operating
		Range (dB)			Range (dB)
31.5		82		132	82		132
1000		43		132	43		132
4000		42		132	42		132
8000		44		132	44		132
12500		47		132	47		132

ANSI S1.4

Range 10 dB to 100 dB

	Frequency		LEQ A Weighting
			Linear Operating Range (dB)
31.5		65		105
1000		25		105
4000		24		104
8000		27		105

Range 20 dB to 110 dB

	Frequency		LEQ A Weighting
			Linear Operating Range (dB)
31.5		66		115
1000		25		115
4000		24		114
8000		27		115
	Range 30 dB to 120 dB

Frequency	LEQ A Weighting
	Linear Operating Range (dB)
31.5	73	125
1000	33	125
4000	32	124
8000	34	125

ANSI S1.4

Range 40 dB to 130 dB

	Frequency		LEQ A Weighting
		Linear Operating Range (dB)
31.5		82		132
1000		43		132
4000		42		132
8000		44		132

053-469 RevC

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