|
|
类型 |
LGT-4.5 |
LGT-10 |
LGT-14 |
LGT-28 |
LGT-35 |
|
自然频率 (Hz) |
4.5±10% |
10 ± 5% |
14 ± 5% |
28 ± 5% |
35 ± 5% |
|
开路阻尼 |
0.6 ±10% |
0.271 ± 5% |
0.2 ± 5% |
0.6 ± 5% |
0.6 ± 5% |
|
闭路阻尼 |
|
0.6 ± 5% |
0.6 ± 5% |
|
|
|
开路灵敏度(V/cm/s) |
0.288 ± 10％ |
0.288 ± 5％ |
0.288 ± 5％ |
0.31 ± 5％ |
0.325 ± 5％ |
|
闭路灵敏度(V/cm/s) |
|
0.227 ± 5％
(1400Ω) |
0.182 ± 5％ |
|
|
|
开路电阻 |
375 ± 5％ |
375 ± 5％ |
375 ± 5％ |
385 ± 5％ |
560 ± 5％ |
|
闭路电阻 |
|
296 ± 5％ |
236.5 ± 5％ |
|
|
|
失真度 |
≤0.4% |
≤0.2% |
≤0.2% |
≤0.2% |
≤0.2% |
|
横向固有频率 |
≥180 |
≥200 |
≥250 |
≥400 |
≥500 |
|
悬体质量 (g) |
11.3 |
11.3 |
11.6 |
10.2 |
9.3 |
|
线圈******位移（mm） |
4 |
2 |
2 |
1.6 |
1.8 |
|
允许倾斜角度 |
≤10 |
≤20 |
≤20 |
90 |
90 |
|
芯体直径 (mm) |
25.4 |
25.4 |
25.4 |
26 |
26 |
|
芯体高度 (mm) |
36 |
32 |
32 |
32 |
32 |
|
芯体质量 (g) |
74 |
74 |
74 |
95 |
95 |
|
工作温度 |
-40～+90 |
-40～+90 |
-40～+90 |
-40～+90 |
-40～+90 |
|
保质期（年） |
2 |
3 |
3 |
3 |
3 |
*Longet Equipment Co., Ltd can customize different kind of seismic geophones to meet all the customer's various applications. |
