Need to put your finger on the pulse of the Earth? Did I just blow your mind? A geophone works by translating ground movement into voltage, which can easily be read by a microcontroller. The SM-24 geophone element is designed to offer the highest performance in seismic exploration based upon field-proven I/O Sensor technology. Low distortion, combined with excellent specifications, provide high-fidelity data. Basically, it's a super low frequency microphone for the ground.
Perfect for all of your 2-D & 3-D seismic exploration needs with bandwidth from 10 Hz up to 240 Hz
5 of 5 found this helpful:
An engineer from ION (the company that manufacturer's the SM-24) indicated that there is a polarity to the geophone. The pin that is closest to the notch is the geophone's positive terminal. With two or more geophones in a project, you will need to make sure that the sensors are wired in the same orientation. Otherwise, the signals will cancel each other out.
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If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Noob - You don't need to reference a datasheet, but you will need to know basic power requirements.
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3 of 3 found this helpful:
Sure, it's not a calibrated geophone, but it does the job for us. We use it in the optics lab to hunt down the sources of vibrations. Feed it into a dynamic signal analyzer, oscilloscope, or data acquisition system and you're good to go. Remember to add the specified damping resistor across the geophone's outputs.
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