CP ZM 500 short period vertical sensor Operating characteristics Natural frequency : Mechanical damping: Inertial mass: Transducer: - type - damping value - generator constant Signal coil: - resistance Calibration coil: - resistance - motor constant First parasitic resonant frequency: Power requirements: Standard preamplifier: - output type - output impedance - voltage gain 0.5 Hz correction preamplifier: - output type - output impedance - voltage gain - correction 10 Hz noise level at input: f0 = 1 Hz, adjustable from 0.6 to 1.4 Hz < 0.01 for f0 = 1 Hz 766 g ± 2 g Electrodynamic (magnet and coil) 0.707 2250 V/m.s-1 ± 115 V/m.s-1 137 500 Ω ±7500Ω 950 Ω ± 115 Ω 8 N/A > 400 Hz Nominal ±12 V ( ± 3 V to ± 20 V), < ±1 mA Single ended < 10 Ω 1, 4, 8 or 32 Single ended < 10 Ω 1, 4, 8 or 32 + 12 dB for f < 0.5 Hz 30 pm.s-1 / √Hz Physical characteristics Basic dimensions : - diameter - height - weight Environmental characteristics: - in use temperature - waterproof case - rugged for wet and salt saturated Atmosphere (IP68 guaranteed) 0.30 m 0.30 m 10.5 Kg -20 to +60 °C Poles and zeros (response in velocity V/m.s-1 unit) (noise spectral density for standard preamplifier)
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