Shenzhen Fire Power Control Technology Co., LTD
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Cost Effective Mems lnertial Navigation Sensor for Aerospace and Aviation
Product Description
The KT-EX 9-1 inertial measurement unit is a complete inertial system with a built-in three-axis gyroscope and a three-axis accelerometer, which is used to measure the three-axis angular rate, acceleration and other parameters of the carrier, and output the data after error compensation (including temperature compensation, installation misalignment angle compensation, nonlinear compensation, etc.) through SPI according to the communication protocol.
Main Parameters
| Parameter | Test conditions | Minimum value | Typical value | Maximum value | Unit | |
| Gyro | Dynamic measuring range | ±500 | º/s | |||
| Bias instability | Allan variance, better than | 0.3 | º/h | |||
| Bias stability | 1s smooth, RMS, better than | 10 | º/h | |||
| Bias in full temperature range | -40 ºC ~ 85 ºC, 10 s smoothing, RMS | 0.005 | º/s | |||
| Random walk | 1б | 0.15 | º/√h | |||
| Bias repeatability | 1б | 10 | º/h | |||
| Output noise | No filtering, RMS | 0.05 | º/s | |||
| Scale factor repeatability | 1б | 0.01 | % | |||
| Scale factor nonlinearity | 1б | 0.01 | % | |||
| Scale factor | FS=450 º/s, 32bits | 2621440 | LSB/°/sec | |||
| Bandwidth (-3dB) | 250 | Hz | ||||
| Cross coupling | 0.1 | % | ||||
| Acceleration sensitivity | 1 | °/h/g | ||||
| Vibration rectification effect | 0.5 | °/h/g2 | ||||
| Resonant frequency | 12k | Hz | ||||
| Accelerometer | Dynamic measuring range | ±20 | g | |||
| Bias stability | Allan variance | 2 | ug | |||
| Bias in full temperature range | -40 ºC ~ 85 ºC, 10 s smoothing, RMS | 1 | mg | |||
| Random walk | 1б | 0.029 | m/s/√h | |||
| Bias repeatability | 1б | 5 | mg | |||
| Output noise | No filtering, RMS | 0.5 | mg | |||
| Scale factor repeatability | 1б | 0.1 | % | |||
| Scale factor nonlinearity | FS=20g | 0.1 | %FS | |||
| Scale factor | ±20, 32bits | 65536000 | g/LSB | |||
| Bandwidth (-3dB) | 250 | Hz | ||||
| Cross coupling | 0.1 | % | ||||
| Temperature | Scale factor | 0.0125 | °C/LSB | |||
| Communication interface | 1-way SPI | Enter the clock frequency | 8 | 15 | MHz | |
| Electrical characteristics | Voltage | Direct current | 3.3 ± 10% | V | ||
| Power consumption | 1 | 1.5 | W | |||
| Ripple | P-P | 48±2 | 100 | mV | ||
| Use environment | Operating temperature | Scalable | -40 | 85 | ºC | |
| Storage temperature | -55 | 85 | ºC | |||
| Vibration | 10~2000Hz,6.06g | |||||
| Impact | 1000g,0.1ms | |||||
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