MAE - Model TRG14 - Starter Vertical Geophone
From Seismics - Active Seismic Monitoring
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
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