MAE - Model GV40ZF -Vertical Geophone 40 Hz

General specifications:

• Manufacturer: ZF-GEO
• Case: Land case
• Spike height: 7 cm
• Typology: Vertical
• Connector: Muller clips
• Cable lenght: 1 mt

Physical specifications:

• Moving mass: 8.2 g
• Diameter: 27 mm
• Weight: 95 g
• Maximum coil excursion: 1.5 mm
• Height: 33.3 mm
• Operative temperature range: -40°C to +100°C

Frequency

• Natural Frequency (fn): 40 Hz
• Tolerance: +/- 5 Hz
• Max. tilt angle for specified fn: 90°
• Typical Spurious frequency: >380 Hz

Distortion

• Distortion with 0.7 in/s p.p. coil to case velocity: <0.2%
• Distortion measurement frequency: 40Hz
• Max. tilt angle for distortion specification: 90°

Coil Resistance

• Standard: 395 ohm
• Tolerance: +/- 5%

Sensitivity

• Sensitivity: 42 V/m/s
• Sensitivity with 1500 Ohm shunt resistor: 30.4 V/m/s
• Tolerance: +/- 5%