| 检波器型号(Geophone Type) |
LGT-15D |
| 允许倾角范围(Operational Range) |
±180° (vert to horiz) |
| 自然频率 (Natural Frequency) |
15Hz |
| 最优方向(@ Optimum Orientation) |
15Hz ±5% |
| 允许倾角范围内(@ Operational Range) |
15Hz, -5% to +15% |
| 线圈最大位移(Coil Excursion P-P) |
|
| 最优方向(@ Optimum Orientation) |
>3.0 mm |
| 允许倾角范围内(@ Operational Range) |
>0.5 mm |
| 假频(Spurious Frequency) |
250Hz |
| 线圈电阻(DC Resistance) |
2400 ohms ±5% |
| 灵敏度(Intrinsic Voltage Sensitivity) |
|
| 最优方向(@ Optimum Orientation) |
52.0V/m/s ±5% |
| 允许倾角范围内(@ Operational Range) |
52.0V/m/s -15% to +5% |
| 开路阻尼(Open Circuit Damping) |
|
| 最优方向(@ Optimum Orientation) |
0.57 ±15% |
| 允许倾角范围内(@ Operational Range) |
0.57, -20% to +10% |
| 悬体质量(Moving Mass) |
7.8g ±5% |
| 失真度(Harmonic Distortion, @ 15Hz with Driving Velocity of 1.8 cm/sec P-P) |
|
| 最优方向(@ Optimum Orientation) |
<0.20% |
| 允许倾角范围内(@ Operational Range) |
<0.75% |
| 工作温度(Operating Temperature) |
- 40 to +100°C |
| 单元质量(Weight) |
80 g |
| 单元尺寸(Dimensions) |
|
| 直径(Diameter) |
25.4 mm |
| 高度(Height) |
34.8 mm |