Overview40 Hz series geophones provide high sensitivity, controlled damping and low distortion across a wide temperature range, designed for multi-scenario seismic exploration and instrumentation.
Product categoryHigh Frequency (>14 Hz)
Key specifications- Series: 40 Hz geophones — models PS-40B (20°C) and PS-40X
- Natural frequency: 40 ±5%
- Coil resistance: PS-40B 548 Ω (±5%); PS-40X 575 Ω (±5%)
- Sensitivity: PS-40B 32.5 V/m/s (±5%); PS-40X 42.0 V/m/s (±5%)
- Sensitivity with shunt resistor (PS-40X): 30.4 V/mn/s (1500 Ω)
- Damping: PS-40B 0.615 (±5%); PS-40X 0.37 (±5%); PS-40X with 1500 Ω: 0.576 (±5%)
- Distortion: ≤0.2%
- Operating temperature range: -40°C to +70°C
- Dimensions: PS-40B 25.4×32 mm; PS-40X 27×34 mm
- Weight: PS-40B 76 g; PS-40X 98 g
- Warranty: PS-40B 1 year; PS-40X 3 years
Technical data (comparison)- Natural Frequency (Hz): PS-40B 40±5% | PS-40X 40±5%
- Coil Resistance (Ω): PS-40B 548±5% | PS-40X 575±5%
- Sensitivity (V/m/s): PS-40B 32.5±5% | PS-40X 42.0±5%
- Sensitivity With Shunt Resistor: PS-40B - | PS-40X 30.4±5% (1500Ω)
- Damping: PS-40B 0.615±5% | PS-40X 0.37±5%
- Damping With Shunt Resistor: PS-40B - | PS-40X 0.576±5% (1500Ω)
- Distortion (%): PS-40B ≤0.2 | PS-40X ≤0.2
- Spurious Frequency: PS-40B ≥380 | PS-40X 1.5
- Max. Motion (mm): PS-40B 1 | PS-40X 8.2
- Moving Mass (g): PS-40B 9.3 | PS-40X ≥380
- Dimensions (d×h) mm: PS-40B 25.4×32 | PS-40X 27×34
- Temperature Range (°C): PS-40B -40〜+70 | PS-40X -40~+70
- Warranty Period (Year): PS-40B 1 | PS-40X 3
- Weight (g): PS-40B 76 | PS-40X 98
Notes- Damage caused by high voltage or physical impact is excluded from warranty coverage.
- Product specifications may be updated without prior notice.
Characteristics / technical features- Series: 40 Hz geophones (high-frequency geophone family)
- Natural frequency: ~40 Hz (±5%)
- Available models: PS-40B (20°C) and PS-40X
- Coil resistance: PS-40B 548 Ω (±5%); PS-40X 575 Ω (±5%)
- Sensitivity: PS-40B 32.5 V/m/s (±5%); PS-40X 42.0 V/m/s (±5%)
- Shunt resistor sensitivity (PS-40X): 30.4 V/mn/s (1500 Ω)
- Damping: PS-40B 0.615 (±5%); PS-40X 0.37 (±5%); PS-40X with 1500 Ω: 0.576 (±5%)
- Distortion: ≤0.2%
- Operating temperature range: -40°C to +70°C
- Dimensions: PS-40B 25.4×32 mm; PS-40X 27×34 mm
- Weight: PS-40B 76 g; PS-40X 98 g
- Intended use: seismic exploration and multi-scenario vibration sensing requiring high sensitivity and low distortion