Vertical geophone 14 Htz with 1 m lead cable, double clip or split spring connector available upon request.","- SPECIFICATIONS - ","Frequency","Natural Frequency (fn): 14 Hz Tolerance: +\/- 5% Max. tilt angle for specified fn: 20° Typical Spurious frequency: >240 Hz","Distortion","Distortion with 0.7 in\/s p.p. coil to case velocity: <0.2% Distortion measurement frequency: 14Hz Max. tilt angle for distortion specification: 20°","Damping","Typical open circuit damping: 0.22 Damping with 1000 Ohm shunt resistor: 0.51 Tolerance: +\/- 5%","Coil Resistance","Standard: 395 ohm Tolerance: +\/- 5%","Sensitivity","Open circuit intrinsic voltage sensibility: 28 V\/m\/s Sensitivity with 1000 Ohm shunt resistor: 20.1 V\/m\/s Tolerance: +\/- 5%","Physical Characteristics","Moving mass: 11 g Maximum coil excursion p.p.: 1.5 mm Diameter: 25.4 mm Height: 33.3 mm Weight: 86 g Operating temperature range: -40°C to +70°C