其他说明
参数 | |||||
类型 | LGT-20D4.5 | LGT-20D10 | LGT-20D14 | LGT-20D28 | LGT-20D40 |
自然频率 (Hz) | 4.5 &plun; 0.5Hz | 10 &plun; 5% | 14 &plun; 5% | 28 &plun; 5% | 40 &plun; 5% |
开路阻尼 | 0.7 &plun; 5% | 0.3 &plun; 5% | 0.22 &plun; 5% | 0.27 &plun; 5% | 0.37 &plun; 5% |
闭路阻尼 | 0.7 &plun; 5% | 0.51 &plun; 5% | 0.552 &plun; 5% | 0.576 &plun; 5% | |
开路灵敏度(V/cm/s) | 0.234 &plun; 5% | 0.28 &plun; 5% | 0.28 &plun; 5% | 0.39 &plun; 5% | 0.42 &plun; 5% |
闭路灵敏度(V/cm/s) | 0.2 &plun; 5% | 0.2 &plun; 5% | 0.28 &plun; 5% | 0.3. 4 &plun; 5% | |
线圈电阻 | 395 &plun; 5% | 395 &plun; 5% | 395 &plun; 5% | 395 &plun; 5% | 575 &plun; 5% |
芯体电阻 | 283 &plun; 5% | 283 &plun; 5% | 283 &plun; 5% | 415 &plun; 5% | |
失真度 | ≤ 0.3% | ≤ 0.2% | ≤ 0.2% | ≤ 0.2% | ≤ 0.2% |
横向固有频率(Hz) | ≥ 180 | ≥ 250 | ≥ 300 | ≥ 400 | ≥ 400 |
悬体质量(g) | 11.3 | 11 | 11 | 11 | 8.2 |
悬体质量线圈位移(mm) | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
允许倾斜角度 | ≤ 10 | ≤ 20 | ≤ 20 | 90 | 90 |
芯体直径(mm) | 25.4 | 25.4 | 25.4 | 27 | 27 |
芯体高度(mm) | 33 | 33 | 33 | 33 | 33 |
芯体质量(g) | 87 | 87 | 87 | 100 | 100 |
工作温度(℃) | -40~+90 | -40~+90 | -40~+90 | -40~+90 | -40~+90 |
保质期(年) | 1 | 3 | 3 | 3 | 3 |