|
|
类型 |
LGT-20D4.5 |
LGT-20D10 |
LGT-20D14 |
LGT-20D28 |
|
自然频率 (Hz) |
4.5 ± 0.5 |
10 ± 5% |
14 ± 5% |
28 ± 5% |
|
开路阻尼 |
0.6 ± 5% |
0.3 ± 5% |
0.22 ± 5% |
0.27 ± 5% |
|
闭路阻尼 |
|
0.7 ± 5% |
0.51 ± 5% |
0.552 ± 5% |
|
开路灵敏度 (V/cm/s) |
0.288± 5% |
0.28 ± 5% |
0.28 ± 5% |
0.39 ± 5% |
|
闭路灵敏度 (V/cm/s) |
|
0.2 ± 5% |
0.2 ± 5% |
0.28 ± 5% |
|
线圈电阻 (Ω) |
375 ± 5% |
395 ± 5% |
395 ± 5% |
395 ± 5% |
|
芯体电阻 (Ω) |
|
283 ± 5% |
283 ± 5% |
283 ± 5% |
|
失真度 |
≤0.6% |
≤0.2% |
≤0.2% |
≤0.2% |
|
横向固有频率 (Hz) |
≥150 |
≥250 |
≥250 |
≥350 |
|
悬体质量 (g) |
11.3 |
11 |
11 |
11 |
|
线圈******位移 P-P |
4.0 |
1.5 |
1.5 |
1.5 |
|
允许******倾角 |
≤10 |
≤20 |
≤20 |
90 |
|
芯体直径 (mm) |
25.4 |
25.4 |
25.4 |
27 |
|
芯体高度 (mm) |
36 |
33.5 |
33.5 |
33.5 |
|
芯体质量 (g) |
81 |
87 |
87 |
100 |
|
工作温度 (℃) |
-40 to +90 |
-40 to +90 |
-40 to +90 |
-40 to +90 |
|
保质期 (year) |
1 |
3 |
3 |
3 |
|
类型 |
LGT-20D40 |
LGT-20D60 |
LGT-20D100 |
|
自然频率(Hz) |
40 ± 5% |
60±5% |
100 ± 5% |
|
开路阻尼 |
0.37 ± 5% |
0.503±5% |
0.464 ± 5% |
|
闭路阻尼 |
0.576 ± 5% |
0.60±5% |
0.65 ± 5% (1500 Ω) |
|
开路灵敏度 (V/cm/s) |
0.42 ± 5% |
0.39±5% |
0.612 ± 5% |
|
闭路灵敏度 (V/cm/s) |
0.304 ± 5% (1500) |
0.27±5% (2000) |
0.32 ± 5% (1500 Ω) |
|
芯体电阻 (Ω) |
|
|
|
|
线圈电阻 (Ω) |
575 ± 5% |
668±5% |
808± 5% |
|
失真度 (%) |
≤0.2 |
＜0.2 |
＜ 0.2 |
|
横向固有频率 (Hz) |
≥400 |
≥550 |
≥ 600 |
|
悬体质量 (g) |
8.2 |
6.5 |
7.6 |
|
线圈******位移 (mm) |
1.5 |
1.5 |
1.5 |
|
允许倾斜角度 |
90 |
90° |
90° |
|
芯体直径 (mm) |
27 |
27 |
27 |
|
芯体高度 (mm, ) |
33.5 |
33.5 |
33.5 |
|
芯体质量 (g) |
100 |
98 |
98 |
|
工作温度(℃) |
-40 to +90 |
-40 to +90 |
-40 to +90 |
|
保质期 (年) |
3 |
2 |
2 |
*Longet Equipment Co., Ltd can customize different kind of seismic geophones to meet all the customer's various applications. |
