Natural Frequency ( Hz ) | 28Hz ± 5% |
---|---|
Sensitivity With Shunt Resistor ( V/m/s ) | 31.0 V/m/s ± 5% |
Coil Resistance | 385 Ω ± 5% |
Moving Mass | 10.2g |
Harmonic Distortion ( % ) | <0.2% |
Name | Geophone 4.5 Hz |
---|---|
Frequency | 4.5Hz |
Feature | Low Frequency |
Sensitivity | 100 V/m/s |
Coil Resistance | 3800Ω |
Natural Frequency | 4.5Hz±10% |
---|---|
Geophone Case | Horizontal Waterproof Land Case |
Spike | 75mm |
Lead-in Cable | 1 M |
Cable O.D | 4.6mm |
Natural Frequency | 5Hz±7.5% |
---|---|
Geophone Case | Horizontal Waterproof Land Case |
Spike | 75mm |
Lead-in Cable | 1 M |
Cable O.D | 4.6mm |
Natural Frequency | 14Hz±5% |
---|---|
Geophone Case | Horizontal Waterproof Land Case |
Spike | 75mm |
Lead-in Cable | 1 M |
Cable O.D | 4.6mm |
Natural Frequency | 28Hz±5% |
---|---|
Geophone Case | Horizontal Waterproof Land Case |
Spike | 75mm |
Lead-in Cable | 1 M |
Cable O.D | 4.6mm |
Natural Frequency | 60Hz±5% |
---|---|
Geophone Case | Horizontal Waterproof Land Case |
Spike | 75mm |
Lead-in Cable | 1 M |
Cable O.D | 4.6mm |
Natural Frequency | 10Hz ± 5.0% |
---|---|
Coil Resistance | 375Ω ± 5.0% |
Open Circuit Intrinsic Voltage Sensitivity( V/m/s ) | 28.8 V/m/s ± 5.0% |
Typical Spurious Frequency (Hz ) | ≥240Hz |
Packaging Details | Carton |
Name | 14 Hz Borehole Geophone |
---|---|
Natural Frequency | 14Hz±5% |
Geophone Case | Waterproof Land Case |
Spike | 75mm Spike |
Lead-in Cable | 1M Cable |
Frequency | 5Hz |
---|---|
Sensitivity | 80 V/m/s |
Resistance (ohm) | 1850 |
Cable O.D. | 5.3 Mm |
Spurious | ≥130 Hz |