{"id":2063,"date":"2021-07-29T11:07:29","date_gmt":"2021-07-29T09:07:29","guid":{"rendered":"https:\/\/lunitek.it\/wpold\/seismic\/?page_id=2063"},"modified":"2021-08-23T10:22:00","modified_gmt":"2021-08-23T08:22:00","slug":"sentinel-m","status":"publish","type":"page","link":"https:\/\/lunitek.it\/wpold\/seismic\/digital-seismic-sensors\/sentinel-m\/","title":{"rendered":"SENTINEL M"},"content":{"rendered":"\t\t
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SENTINEL-M<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Sentinel-M is a premium-quality accelerograph<\/b> that is designed for strong motion and geophysical monitoring and to meet the same dynamic range of the seismic class C MEMS 90 and 110dB.<\/p>

COST-EFFECTIVE AND RESPECTABLE PERFORMANCE<\/h2>

The analog channels meet the electrical MEMS specifications and are synchronously sampled up to 500 samples\/second<\/b> at a resolution of 24bit<\/b> with a dynamic range that exceeds 120dB@100Hz<\/b>.
The integrated memory bank (32 \u00f7 256 GB) allows you to manage a ring-buffer for long continuous recordings as well as event data. The data format is MiniSEED<\/b>.

The system implements sophisticated trigger criteria (STA\/LTA and threshold) that distinguishes false events (i.e. environment vibrations) from true seismic events. The internal GNSS receiver allows you to create a network where all the instruments are synchronized with the absolute time.<\/p>

EASY TO USE<\/h2>

The connection to the instrument can be local via network (LAN or WiFi) or, alternatively, remote using the internal 4G CAT1 modem (optional).
The instrument can be used as a stand-alone unit, or it can be used in a MASTER-SLAVE based monitoring network where multiple instruments are connected to each other; Sentinel-M is compatible with both the Triton and Atlas and this can be useful when superior dynamics are needed, for example, as a near field unit.

Thanks to the SeedLink protocol<\/b>, Sentinel-M is compatible with the most popular seismic analysis software: Seiscomp3, Antelope and Earthworm.<\/p>

INTEGRATED UPS<\/h2>

Sentinel-M is powered by an external DC source (5 \u00f7 16 Vdc) and it is equipped with its own internal battery (LiPo) which can guarantee an autonomy of 5 hours in case of a blackout. The battery is a standard 18650 and can easily be replaced. The internal 4G modem (optional) is backed up by the internal battery.<\/p>

ROBUST AND RELIABLE<\/h2>

Sentinel-M comes in an anodized aluminum case which is rugged and shock-resistant and thus suitable for field applications. Sensor connectors are industry standard M8, robust easy to find on the market.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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High Dynamic 24bit ADC <\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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MEMS 90 or 110dB version available<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Wi-Fi AND 10\/100 LAN<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Integrated GNSS receiver for specific timing application<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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32Gb internal memory<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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MiniSEED data stream<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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STA\/LTA triggering algorithms<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Synchronization between units, time delay <1 \u00b5s<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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APPLICATIONS<\/div>\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t
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\u2022 Seismological networks<\/p>

\u2022 Structural monitoring and survey<\/p>

\u2022 Post-seismic damage analysis<\/p>

\u2022 Geophysical survives<\/p><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>

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