供应:无限制
关键词:检波器串 *级检波器 检波器
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*: LGT LGT-20D14检波器技术参数（20℃） SPECIFICATIONS OF LGT-20D14 GEOPHONE ELEMENT 检波器型号 Geophone Type LGT-20D14 自然频率 Fn Natural Frequency (Hz) 14 ± 5% 开路阻尼系数 Bo Open Circuit Damping 0.22 ± 5% 闭路阻尼系数 Bo Damping with 1000Ω shunt Resistance 0.51 ± 5% 灵敏度 G Intrinsic Voltage Sensitivity (V/m/s) 28 ± 5% 闭路灵敏度 G Sensitivity with 1000Ω shunt Resistance (V/m/s) 20 ± 5% 线圈电阻 Rc Coil Resistance (kΩ) 395 ± 5% 谐波失真 D Harmonic Distortion (%) ＜ 0.2% 典型假频（Hz） Typical spurious frequency ≥ 250 线圈较大位移 Case to Coil Motion P-P (mm) 1.5 悬体质量M Moving Mass (g) 11 ± 5% 较大倾角 Maintains Fn specifications to tilt angle ＜ 20° 芯体直径 Unit Diameter (mm) 25.4 芯体高度 Unit Height (mm) 33 芯体质量 Unit Mass (g) 87 工作温度 Operating Temperature (℃) -40 ~ +90 质保期 Warranty（year）
