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Sensor Comparison Chart

Sensor Manufacturer Power Corner
Frequency
Damping Sensitivity Poles and Zeroes
STS-2 Streckeisen 30 ma @ 12vdc 0.0083 Hz 0.707 critical 1500 v/m/s *Depends on generation:
Generic, Gen.1, Gen.2, Gen.3
CMG-3T Guralp 70 ma @ 12vdc 0.0083 Hz 0.707 critical 1500 v/m/s 5 poles, 2 zeros
CMG3-ESP Guralp 70 ma @ 12vdc 0.033 Hz 0.707 critical 2000 v/m/s 5 poles, 2 zeros
CMG-40T Guralp 50 ma @ 12vdc 0.033 Hz 0.707 critical 800 v/m/s 5 poles, 2 zeros
CMG-40-1 Guralp 50 ma @ 12vdc 1.0 Hz 0.707 critical 2000 v/m/s 6 poles, 2 zeros

Trillium 240

Update

Nanometrics 54 ma @ 12vdc 0.0042 Hz 0.707 critical 1200 v/m/s Gen 1 (s/n 0-399):
       7 poles 5 zeros
Gen 2 (s/n 400+):
       7 poles 5 zeros

Trillium 120PA

Update

Nanometrics 54 ma @ 12vdc 0.008 Hz 0.707 critical 1200 v/m/s 7 poles, 5 zeros
Trillium 40 Nanometrics 46 ma @ 12vdc 0.025 Hz 0.707 critical 1500 v/m/s 7 poles, 5 zeros
Compact Trillium Nanometrics 14 ma @ 12vdc 0.008 Hz 0.707 critical 749.1 v/m/s 7 poles, 3 zeros
L-22-3D Mark Products passive 2.0 Hz 0.707 critical 88 v/m/s 2 poles, 2 zeros
L-28-3D Mark Products passive 4.5 Hz 0.707 critical 30.4 v/m/s 2 poles, 2 zeros
Y-28-3D Oyo-Geospace passive 4.5 Hz 0.707 critical 32 v/m/s 2 poles, 2 zeros
GS11 Oyo-Geospace passive 4.5 Hz 0.707 critical 100 v/m/s 2 poles, 2 zeros
L-40 Mark Products passive 40 Hz 0.707 critical 22.34 v/m/s 2 poles, 2 zeros
L-4C Mark Products passive 1.0 Hz 0.707 critical 166.54 v/m/s 2 poles, 2 zeros
S-13 Teledyne Geotech passive 1.0 Hz 0.707 critical 629 v/m/s 2 poles, 2 zeros

 

Plot of selected Sensor Amplitudes f(FQ)

 

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