Product overview5Hz Series geophone is a compact geophone with low natural frequency and high sensitivity. Sensitivity is comparable to array geophones. Suitable for deep, low-frequency and weak-signal reception, field single-point acquisition and use in vertical, horizontal or three-component configurations.
Product categoryMedium Frequency (4.5Hz-14Hz)
Model optionsTechnical parameters (table)Parameter | PS-5GR | PS-5GS | PS-5R | PS-5RH
Natural Frequency (Hz) | 5±7.5% | 5±7.5% | 5±10% | 5±7.5%
Coil Resistance (Ω) | 1850±5% | 1850±5% | 2950±5% | 1850±5%
Sensitivity (V/m/s) | 80±5% | 80±5% | 83±8% | 80±5%
Damping | 0.6±7.5% | 0.6±7.5% | 0.7±10% | 0.6±7.5%
Distortion (%) | ≤0.1 | ≤0.1 | ≤0.2 | ≤0.1
Max. Motion (mm) | 2.54 | 3 | 2.54 | 2.54
Moving Mass (g) | 17 | 22.7 | 17 | 17
Spurious Frequency (Hz) | ≥150 | ≥150 | ≥120 | ≥150
Dimensions (d×h) mm | 30.2×39.9 | 32.1×43 | 30.2×39.9 | 30.2×39.9
Temperature Range (℃) | -40~+80 | -40~+80 | -40~+80 | -40~+80
Warranty Period (Year) | 1 | 1 | 1 | 1
Weight (g) | 140 | 158 | 144.3 | 140
Notes* Damage resulting from high voltage or physical damage is excluded from the warranty coverage.
* Product specifications may be updated without prior notice.
Features / Technical specifications- Series: 5Hz series (low natural frequency, high-sensitivity geophones).
- Available models: PS-5GR, PS-5GS, PS-5R, PS-5RH.
- Nominal natural frequency: 5 Hz (tolerance: ±7.5% for PS-5GR/PS-5GS/PS-5RH; ±10% for PS-5R).
- Coil resistance: 1850 Ω ±5% (PS-5GR/PS-5GS/PS-5RH); 2950 Ω ±5% (PS-5R).
- Sensitivity: approx. 80 V/m/s (80±5% typical; PS-5R 83±8%).
- Damping factor: approx. 0.6 (0.6±7.5% typical; PS-5R 0.7±10%).
- Distortion: typically ≤0.1% (PS-5R ≤0.2%).
- Maximum motion: up to 2.54 mm (3 mm for PS-5GS).
- Moving mass: 17 g (PS-5GS 22.7 g).
- Spurious frequency: typically ≥150 Hz (PS-5R ≥120 Hz).
- Dimensions (d×h): approx. 30.2×39.9 mm (PS-5GS 32.1×43 mm).
- Operating temperature range: -40 °C to +80 °C.
- Warranty: 1 year.
- Weight: approx. 140 g (varies by model).