M.A.E. Apparecchiature Elettroniche srl Starter Vertical Geophone TRG14

Starter vertical geophone with cable and connector used to start recording in seismograph. - TECHNICAL 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