: : Bosch Conferencing and Public Address Systems - PRA-ANS

bosch-conferencing-public-address-systems

Ambient Noise Sensor

Model: PRA-ANS

Solid housing for surface-mounting or flush-mounting
Omni-directional MEMS microphone for noise level tracking
Digital signal processing to adapt frequency response
PoE powered device with Gigabit network interface
Up to four sensors can be combined to cover a large zone

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The PRA-ANS is an ambient noise sensor to monitor changing ambient noise levels for automatic adjustment of announcement or background music levels (AVC - Automatic Volume Control). This ensures the public address audio is set at a configurable level above the ambient noise in order to guarantee intelligibility of announcements, yet at a comfortable loudness.

Solid housing for surface-mounting or flush-mounting
Omni-directional MEMS microphone for noise level tracking
Digital signal processing to adapt frequency response
PoE powered device with Gigabit network interface
Up to four sensors can be combined to cover a large zone

Sensor Type - Other
Warranty - Yes
Spec Sheet available - Yes

Operating Temperature (Maximum): 55 C
Operating Temperature (Minimum): -25 C
Zertifizierungen: EN/IEC, ISO, ICES, ANSI, FCC, UL
Wirkleistung: 1.60 Watt
DC-Spannung: 48 Volts
Warranty (Length/Type): 3 Years
Ethernet Speed: 100BASE-TX, 1000BASE-T
Ethernet Protocol: TCP/IP
Control Protocol: OMNEO (AES70)
Control data security: TLS
Ports: 1
MTBF (extrapolated from calculated MTBF of PRA-AD608): 3,000,000 h
Temperature, power up: -5 - 55 Deg C (23 - 131 Deg F)
Temperature, storage and transport: -30 - 70 Deg C (-22 - 158 Deg F)
Humidity: 5 - 100 %
Air Pressure: 560 - 1070 hPa
Altitude, operating: -500 - 5000 m (-1640 - 16404 ft)
Vibration amplitude, operating: < 0.7 mm
Vibration acceleration, operating: < 2 G
Bump, transport: < 10 G
Dimensions device (Dia xH): 131 x 35 mm (5.2 x 1.4 in)
Dimensions device with back box (DiaxH): 131 x 71 mm (5.2 x 2.8 in)
Dimensions device front cover (DiaxH): 131 x 10 mm (5.2 x 0.4 in)
Ambient noise capture range: 50 - 100 dBSPL
Frequency Range: 50 Hz - 10 kHz
Frequency response, +/-2dB: 100 Hz - 5.5 kHz
Sensitivity tolerance, pink noise 50 Hz - 10 kHz: < 2 dB
Directivity: Omni-directional

sensor 374675 kb - Data Sheet

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