Poles and Zeros of Seismic Sensors !! Poles and Zeros given in [rad/s] !! Short Period SensorsMARK L-4C-3D; 1 ... 100 Hz(*)3D Geophone PE-6/B; 4.5 ... 500 Hz(*)Broad Band SensorsGÜRALP CMG-3ESP Compact; 60 s ... 50 HzGÜRALP CMG-3ESP; 120 s ... 50 HzTrillium Compact; 120 s ... 108 HzTrillium 120 PA; 120 s ... 146 HzStreckeisen STS-2; 120 s ... 30 Hz(*)