High Dynamic Range 450deg/s Inertial Navigation Sensor for Accurate Measurement KT-EX 9-2
Product Description
The KT-EX 9-2 multi-degree-of-freedom inertial measurement unit is a complete inertial system with a built-in three-axis gyroscope, a three-axis accelerometer, a three-axis magnetometer and a pressure sensor for measuring the three-axis angle of the carrier parameters such as rate, acceleration, three-axis magnetic field, air pressure, etc., output data after error compensation (including temperature compensation, installation misalignment angle compensation, nonlinear compensation, etc.) according to the communication protocol through SPI.
Technical parameters
| parameter | Test Conditions | Minimum | Typical | Maximum | unit | |
| Gyro | Dynamic measuring range | Configurable (maximum ± 1000) | ±450 | º/s | ||
| Zero bias instability | Allan variance, better than | 5.1 | º/h | |||
| Zero bias stability | 1s smooth, rms, better than | 30 | º/h | |||
| Zero bias over the full temperature range | -40 ºC ~ 85 ºC, 10s smooth, rms | 0.03 | º/s | |||
| Random walk | 1б | 0.26 | º/√h | |||
| Zero bias repeatability | 1б | 100 | º/h | |||
| Output noise | No filtering, rms | 0.135 | º/s | |||
| Scale factor repeatability | 1б | 0.1 | % | |||
| Scale factor nonlinearity | FS=450 º/s | 0.01 | %FS | |||
| Bandwidth (-3dB) | 330 | Hz | ||||
| Cross coupling | 0.1 | % | ||||
| Accelerometer | Dynamic measuring range | Configurable (maximum ± 40) | ±18 | g | ||
| Zero bias stability | Allan variance | 0.07 | mg | |||
| Zero bias over the full temperature range | -40 ºC ~ 85 ºC, 10s smooth, rms | 5 | mg | |||
| Random walk | 1б | 0.029 | m/s/√h | |||
| Zero bias repeatability | 1б | 5 | mg | |||
| Output noise | No filtering, rms | 1 | mg | |||
| Scale factor repeatability | 1б | 0.1 | % | |||
| Scale factor nonlinearity | FS=10g | 0.1 | %FS | |||
| Bandwidth (-3dB) | 330 | Hz | ||||
| Cross coupling | 0.1 | % | ||||
| Magnetometer | Dynamic measuring range | ±2.5 | gauss | |||
| Sensitivity | 0.1 | mgauss/LSB | ||||
| Nonlinearity | 0.5 | %FS | ||||
| Barometer | Pressure range | 300 | 1100 | mbar | ||
| Sensitivity | 6.1 × 10-7 | mbar/LSB | ||||
| Total error | 4.5 | mbar | ||||
| Relative error | 2.5 | mbar | ||||
| Nonlinearity | 0.1 | %FS | ||||
| Communication Interface | 1 spi | Input clock frequency | 15 | MHz | ||
| Electrical characteristics | Voltage | DC | 2.5 | 3.3 ± 10% | 5 | V |
| Power consumption | 0.6 | 1 | W | |||
| Ripple | P-P | 100 | mV | |||
| weight | 48±2 | g | ||||
| Use environment | Operating temperature | Scalable | -40 | 85 | ºC | |
| storage temperature | -55 | 85 | ºC | |||
| vibration | 10~2000Hz,6.06g | |||||
| Shock | 5000g,0.1ms | |||||
Dimension
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