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Meridian Compact posthole seismometer sitting on the grass with a red cable plug about to be connected

Meridian Compact Posthole

Two proven technologies in a single instrument with a small station footprint.

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All-in-one Digital Posthole Seismograph for direct bury

Introduced in 2009, the Trillium Compact’s small size and portability revolutionized broadband fieldwork. The Meridian Compact PH takes broadband to an entirely new level, by marrying the sensor to the digitizer and recorder. The Meridian Compact Posthole is a marvel of miniaturization with no compromise in performance (accurate, deployable, portable, serviceable).

Stainless steel Meridian Compact posthole seismometer standing upright

Shallow as possible, deep as necessary

Direct bury installation consistently demonstrates performance gains and combining technologies in a single unit keeps things simple: the Meridian Compact PH seismograph is extremely easy to deploy, with no-mass lock or mass centering required. Its small size and generous operational tilt range significantly reduces the time and effort required for site preparation and installation.

Metadata you can trust

Instrumentation configuration is made easy with an intuitive user interface. Once configured, the Meridian Compact PH builds its own metadata. With the digitizer and sensor housed in a single unit, Dataless SEED or RESP response files are internally built and guaranteed to be correct every time.

BENEFITS

Direct bury

Direct bury installation provides consistent performance gains.

  
Intuitive to use Instrumentation configuration is made easy with an intuitive user interface.  
Tilt range Reduces the time and effort required for site preparation and installation.  
Quick deploy Easy to deploy with no-mass lock or mass centering required.  
High data quality Seismograph provides higher data quality than vault style installations.  
Polar certified This Polar Certified Model is available for operating temperatures down to -50°C.  

TWO PROVEN TECHNOLOGIES COMBINED

The Trillium Compact Seismometer and 24-bit Centaur Digitizer that make up the Meridian Compact provide ease of deployment with no compromise on quality.

Trillium Compact Seismometer
Centaur digitizer
Meridian Compact Posthole seismometer connected to instrumentation by a large cable

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