SN7C Series Super Geophone
Product Explanation:SN7C Series Super Seismic geophone was developed to meet the needs of high resolution operations of seismic data acquisition. With festures of wide frequency-band, high spurious frequency,low distortion, reasonable damping coefficient, it can improve resolution of exploration and accuracy of data
Product types and specifications:
Specifications | ||||||
Model | Sn7C-8 | Sn7C-10 | Sn7C-14 | Sn7C-28 | Sn7C-35 | Sn7C-40 |
Natural frequency(Hz) | 8±2.5% | 10±2.5% | 14±2.5% | 28±2.5% | 35±2.5% | 40±2.5% |
Open circuit damping | 0.337 | 0.25 | 0.2000 | 0.600±2.5% | 0.681±5% | |
Damping with shunt resistor | 0.600±2.5% (2400Ω) | 0.686±2.5% (1000Ω) | 0.600±2.5% (640Ω) |
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Sensitivity(v/m/s) | 28.8±2.5% | 31.0±2.5% | 32.5±2.5% | 34.0±2.5% | ||
Coil resistance(Ω) | 375±2.5% | 385±2.5% | 560±2.5% | 662±2.5% | ||
Distortion(%) | <0.1% | |||||
Spurious frequency(Hz) | 250 | 300 | 400 | 500 | ||
Moving mass(g) | 11.3 | 11 | 11.6 | 10.2 | 9.3 | |
Coil moving p-p(mm) | 2.0 | 1.6 | 1.8 | |||
Diameter(mm) | 25.4 | 26 | ||||
Height(mm) | 32.0 | |||||
Warranty period(year) (Geophone element) | 3 | |||||
Operating temperature (°C) | -40°C~+100 | |||||
