POA176- Ex
Heavy duty noise-cancelling helmet headset (ATEX)
Highlights
Functions
Technical Specifications
Specifications
- Weight
- about 375 g
- Color
- blue
- PTT key
- none
- VOX
- none
- Emergency key
- none
- Connector
- QR4 male (NEXUS)
- Microphone sensitivity
- –50±4 dB @ 1 kHz 3.0 V 2.2 K, 0 dB = 1 V/Pa
- Speaker power
- 200 mW (rated),500 mW (max.)
- Speaker impedance
- 2x150 Ω±15% @ 1 kHz
- Speaker frequency response
- 82±3 dB @ 1 kHz 0.2 W/50cm
- Hearing Protector Attenuation
- SNR 30dB, according to EN352-3:2002<br/>NRR 24dB, according to ANSI S3.19-1974
- Ingress protection
- IP54
- ATEX certification
- Ex ib IIC T4 Ex ib IIIC T110℃
- Operating temperature
- –20℃ to 50℃
- Storage temperature
- –20℃ to 65℃
- Note
- For use on the helmet in combination with POA63-Ex, SM24N2-Ex or SM24N10-Ex in hazardous areas of ATEX zone 1
