惯性测量单元 |
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型号 |
LMRK10 |
LMRK20 |
LMRK21 |
LMRK30 |
LMRK40 |
供电电源 |
+3.1~5.5VDC |
+3.1~5.5VDC |
+3.1~5.5VDC |
+6.0~36VDC |
+3.1~5.5VDC |
功耗 |
3.3V, 430mW |
3.3V, 430mW |
3.3V, 430mW |
12V, 2200mW |
3.3V, 430mW |
角速度(下述指标对应最小量程) |
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量程 °/sec |
±75/150/300 |
±75/150/300 |
±100 / 300 |
±100/175/300 |
±75/150/300 |
偏差 (运行稳定性) °/hr |
25 |
15 |
10 |
8 |
6 |
偏差(全温) °/sec |
<0.1 |
<0.05 |
<0.05 |
<0.03 |
<0.03 |
分辨率 °/sec |
0.007 |
0.005 |
0.01 |
0.002 |
0.001 |
随机游走 °/sec/√Hz |
0.014 |
0.01 |
0.004 |
0.0035 |
0.002 |
加速度(下述指标对应最小量程) |
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量程 g |
±2, 10 |
±2, 10 |
±6, 10 |
±2, 6, 10 |
±2, 10 |
偏差 (运行稳定性) mg |
0.1 |
0.02 |
0.1 |
0.02 |
0.02 |
偏差(全温) mg |
<3 |
<1 |
<2 |
<0.5 |
<0.5 |
分辨率 mg |
0.025 |
0.025 |
0.12 |
0.02 |
0.02 |
随机游走 mg/√Hz |
0.07 |
0.05 |
0.25 |
0.04 |
0.04 |
系统性能 |
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比例因子误差(全温) |
≤0.2% |
≤0.1% |
≤0.1% |
≤0.08% |
≤0.1% |
g-灵敏度 |
<0.03°/sec/g |
<0.02°/sec/g |
<0.02°/sec/g |
<0.01°/sec/g |
<0.01°/sec/g |
轴未对准 |
1mrad |
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温度 |
工作:-40°C to +85°C 非工作:-55°C to +85°C |
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数据接口及更新率 |
RS485, 可达500Hz |
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传感器带宽 |
100Hz ,内置温度传感器 |
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启动时间(惯性) |
<0.65 sec 在100Hz |
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冲击 |
500g, 任意轴30msec 1/2 sine |
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工作振动 |
6g RMS (20Hz to 2KHz) |
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重量 |
110 g |
110 g |
28 g |
388 g |
110 g |
尺寸 |
5.0x4.5x3.2 |
5.0x4.5x3.2 |
2.54x2.54x2.54 |
7.62x7.8x5.72 |
5.0x4.5x3.2 |