China Geophone Sensors Mems Geophone Geophone Kit Sm 24 Geophone Seismic Sensor Geophones for Sale Geophone, Find details about China Sm 24 Geophone, Geophone Sensors from Geophone Sensors Mems Geophone Geophone Kit Sm 24 Geophone Seismic Sensor Geophones for Sale Geophone
Model &Specification | CDJ-Z2C | CDJ-Z2.5C | CDJ-Z4 | CDJ-Z4.5 | CDJ-Z10 | CDJ-Z15 | CDJ-Z28 | CDJ-Z30 | CDJ-Z38 | CDJ-Z40 | CDJ-Z60 | CDJ-Z100 | ||
2Hz Vertical | 2.5Hz Vertical | 4Hz Vertical | 4.5Hz Vertical | 10Hz Vertical | 15Hz Vertical | 28Hz Vertical | 30Hz Vertical | 38Hz Vertical | 40Hz Vertical | 60Hz Vertical | 100Hz Vertical | |||
Natural frequencyFn(Hz) | 2±10% | 2.5±10% | 4±10% | 4.5±10% | 10±5% | 15±5% | 28±5% | 30±5% | 38±5% | 40±5% | 60±5% | 100±5% | ||
Sensitivity G(v/cm/s) | 2±10% | 0.28±5% | 0.26±5% | 0.30±5% | 0.25±5% | |||||||||
Coil resistance Rc(KΩ) | 6040±5% | 380±5% | 500±5% | 650±5% | 1060±5% | 1080±5% | ||||||||
Internal resistance R(KΩ) | 5800±5% | 5650±5% | 345±5% | 335±5% | 310±5% | 415±5% | 560±5% | 800±5% | 1020±5% | |||||
Damping coefficient Bt: | 0.7±10% | 0.58±10% | 0.62±10% | 0.6±10% | 0.5±5% | |||||||||
Harmonic distortion D(%) | ≤0.2 | |||||||||||||
Insulation resistance R(MΩ) | ≥20 | |||||||||||||
Maximum displacement P-P(mm) | 3 | 2 | ||||||||||||
Suspension mass M(g) | 60 | 13 | 8.5 | 8 | 6.3 | 5.9 | ||||||||
Operating temperature(ºC) | -25~+55 | -40~+70 | ||||||||||||
Size | Core | Diameter(mm) | φ38.5 | φ27.2 | ||||||||||
Height(mm) | 47 | 34 | 32 | |||||||||||
Weight(kg) | 0.25 | 85 | 86 | 78 | ||||||||||
Cover | Diameter(mm) | 50x60 | 45x55 | |||||||||||
Height(mm) | 87 | 76 | ||||||||||||
Weight(kg) | 0.48 | 0.51 | 0.31 | 0.247 |