MAE - Model TRG14ZF -Starter Geophone

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