LE-3D/BH(s) MkIII

LE-3D/BH(s) MkIII

The LE-3D/BH seismometer is the borehole version of the LE-3Dlite and the best solution for challenging and urban sites. The seismometer is very robust, ultra-slim and has an ultra-low power consumption. This sensor type is offered in two versions for simple and orientated downhole installations.

Essential features and characteristics:

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    robust instrument
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    stainless steel casing
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    protection class IP68
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    ultra-small diameter (62 mm)
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    very low power consumption (<6 mA @ 12 V DC)
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    uniform sensitivity and transfer function
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    oriented installation with holelock possible
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    also available as ‘sand’ version (LE-3D/BHs)

Eigenfrequency 1 Hz
Upper frequency limit 100 Hz
Transduction factor 800 V/(m/s)
Output signal 3 analog voltages, 30 Vpp differential
Power supply +10 … +16V DC, < 6 mA @ 12 V
Dimensions 62 mm diameter, 880 or 1080 mm length
Weight 8.5 or 9.0 kg
Temperature range -15 … +60 °C
RMS noise @ 1 Hz < 3 nm/s
Dynamic range > 136 dB