PINA
Portable Infrasound Array
The PINA infrasonic antenna is equipped with low consumption wireless data communication between the antenna’s slave nodes and the master node and it is designed to facilitate the trasportation of the equipments and the configuration of array’s geometry in the countryside as well as in urban areas, thus offering advantages either for temporary experiments and for permanent monitoring.
Master node specification
Max n. of slave nodes: 12@128Hz
Time synchronization: ± 50 μsec
Communication interfaces: Ethernet - Wi-Fi - 3G/4G
Services: seedlink server, local storage and GUIs
Power supply: 9-30 Volt
Power consumption: < 6 W
Infrasonic slave nodes specification
Infrasonic sensors
Nominal sensitivity: 0.16 V/Pa - 0.8 V/Pa
Self-noise: -62 dB / -87 dB @1Hz rel. to 1 Pa
Full scale range: 250 Pa - 50Pa
Frequency range: 0.03 - 200 Hz
AD Converter:
24-bit - 1 channel
Up to 1024 Hz @3-nodes
Data transmission:
2.4 GHz radio modem with antenna [12dB, 3m cable]
Max slave to master distance: 150 m (LOS)
Power supply: 3-30 Volt
Power consumption: < 0.1 W
Portable Infrasound Array key features
Easy to transport
No cables needed
Low power
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