•
.
,
)
.
www.3M.com/hearing.
•
300mV.
.
•
•
.
•
,
.
•
NRR
50%
•
•
•
•
•
MT13H220P3E = 322 , MT13H221P3E = 374
•
3M Svenska AB
CE
EN352-4:2001/A1:2005, EN352-6:2002, EN352-8:2008].
3M Svenska AB Värnamo.
.
•
• PZT GmbH, An der Junkerei 48 F, D-26389 Wilhelmshaven, Germany. Notify body #1974
N
.
,
.
,
)
,
.
.
(NRR)
.
.
: –4°F (–20°C)
131°F (55°C)
: –4°F (–20°C)
: MT13H220A / MT13H222A = 303 , MT13H221A / MT13H223A = 355 ,
,
.
.
.
.
.
130
,
,
,
/
,
,
,
,
.
.
.
,
, 3M
.
.
CSA Z94.1
131°F (55°C)
3M™ PELTOR™
.
[EN 352-1:2002 / EN 352-3:2002,
,
3M
,
,
(
.
(
,
.
NRR
89/686/
:
/