3M Peltor WorkTunes HRXS220A Instructions Manual page 68

3M.
EN 352
A:1 (Hz)
A :2
A :3 , St dev (dB)
A :4
A :5 H =
M =
L =
. . . ANSI S3.19-1974
B :1 (Hz)
B :2
B :3 , St Dev (dB)
1.
2. NRR 23
3.
:
/
C :1
C :2
C :3 , St Dev
C :4 SD
EN352-3:2003:
D :1
D :2
D :3
D :4 : S =
HRXS220A, HRXS221A, HRXS221A-NA
E:1 (
E:2
E:3 (POM)
E:4 ( PVC
,
.
:
, Mean att (dB)
, APV (dB)
, Mean Att (dB)
(dB).
,
AS/NZS 1270:2002
, Mean Att
, M = , L =
, PVC, PA)
( )
)
67
.
.
,
(ƒ 2000Hz).
(500Hz < ƒ < 2000Hz).
(ƒ 500Hz).
,
NRR.
92 dBA.
69 dB(A).
500 Hz,
C.
D. AS/NZS 1270:2002:
:
:
.