White Color Waterproof IP 67 Loudspeaker Acoustic Vent
Membrane Properties:
|
PHYSICAL PROPERTIES |
REFERED TEST STANDARD |
UNIT |
TYPICAL DATA |
|
Membrane Color |
/ |
/ |
Black |
|
Membrane Construction |
/ |
/ |
Mesh/ePTFE |
|
Membrane Surface Property |
/ |
/ |
Hydrophobic |
|
Thickness |
ISO 534 |
mm |
0.075±0.005 |
|
Min Air Permeability |
ASTM D737 (1 cm²) |
ml/min/cm2@7KPa |
>1000 |
|
Water Entry Pressure |
ASTM D751 (1 cm²) |
KPa for 30 sec |
>200 |
|
Transmission Loss (@1kHz, I.D.= 3.0mm) |
Internal Control |
dB |
< 0.5 dB |
|
IP Rating (Test I.D.= 2.0mm) |
IEC 60529 |
/ |
IP68 (5m 30 ) |
|
ISO Rating (Test I.D.= 2.0mm) |
ISO 22810 |
/ |
NA () |
|
Operation Temperature |
IEC 60068-2-14 |
℃ |
-40℃ ~ 150℃ |
|
ROHS |
IEC 62321 |
/ |
Meet ROHS Requirements ( ROHS ) |
|
REACH SVHC |
REACH 1907/2006/ EC |
/ |
Meet REACH Requirements ( REACH ) |
Transmission Loss Curve：
NOTE:
(2) The results are tested using a typical digital output MEMS microphone system and self-designed test device in Xinzhenpin laboratory with representative sample size. The design of the device will a fect final performance.