Observed arrival · 2026-11-09

NSI’s low-power seismic digitizer

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Editorial interest 76/100 Selection signal · not a rating of the site

National Seismic Instrument sells the NSI-AD24 NEO1, a four-channel, 24-bit seismic digitizer with SeedLink support.

Landing page captured for the 2026-11-09 issue.

For: Seismic observatories and field monitoring teams
Worth noticing: The listed unit combines 4.5 W average draw with PoE or 10–33 VDC input for remote deployments.

Field notes

The homepage says NSI develops its analog front ends, DSP filtering, and embedded-Linux telemetry in-house, and offers connector and preamplifier-gain customization. The product details list 16 GB of internal storage plus USB ring-buffer support up to 2 TB, alongside SeisComP and Earthworm compatibility. NSI describes its manufacturing and calibration operation as based in Salatiga, Central Java; the listed device measures 170 × 135 × 50 mm.

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