<ul><li>APPLICATIONS: This monitor records infrasound in the 0.05 Hz to 20 Hz band that is generally inaudible to the human ear. Applications include monitoring wind turbines, machinery noise, building noise, elephants and other large animals, meteors, avalanches, volcanoes, earthquakes, cryptozoology studies of big foot and sasquatch, and paranormal investigations.</li><li>COMPONENTS: This infrasound monitor comes with a 15 ft (4m) serial cable, 15 ft (4m) of 1/8 inch ID plastic tubing, a USB-Serial adapter, and a CD containing Windows software and software manual.</li><li>PC CONNECTION: This infrasound monitor requires an attached PC to log and display infrasound data, but other programs can run on PC while the infrasound data logging program is running. The monitor works with Windows XP and above. The seismic data logging and analysis program AmaSeis is supplied on CD or flash drive. The monitor also runs with the new jAmaseis seismic software that runs on Windows, Linux and MAC OS.</li><li>SPECIFICATIONS: This infrasound monitor uses microbarometer design. It incorporates a differential pressure sensor with 1/8 inch ID tubing connection, with one port located on the side of the box. This allows for tubing to be used to separate the monitor from the infrasound sensing location. The monitor is self adjusting, and never needs alignment, zeroing, leveling, or any other adjustments. Resolution is 0.001 Pascal (0.01 microbar). Electronic noise level is approximately .020 Pascals (60 dB sound pressure level re 20uPa). Pressure range is 25 Pascals. Sampling rate is 50 sps. Serial output format: 9600bps, 8N1, 16 bit ASCII with no hardware control.</li></ul><br><br>The Infiltec Model INFRA20 infrasound monitor is designed to record, display and analyze infrasound below the human hearing range in the 0.05 Hz to 20 Hz band. Infrasound is produced by wind turbines, helicopters, meteors, avalanches, volcanoes, large animals like elephants, etc. The INFRA20 is designed to provide infrasound monitoring for lab, home, school and field use in a compact, portable, and rugged package that is less expensive and easier to use than conventional designs. The INFRA20 does not require any power supply or assembly or enclosure or adustment; including alignment, damping, zeroing, etc. The INFRA20 works with the standard AmaSeis Windows based software, and with the new jAmaSeis software for Windows, Linux and Mac OS.

Infiltec INFRA20 infrasound Monitor