IMU Output MEMS Inertial Measurement Unit 3 Axis Angular Velocity Acceleration
Large Measurement Range IMU Output 3 Axis Angular Velocity And Acceleration In Real Time
1. Product overview
It consists of MEMS gyroscope ch.ip,MEMS accelerometer chip with large measurement range,Drive pick-up circuit, temperature sensor, digital signal processing circuit, structure and software.It is used to measure the angular velocity and acceleration of the three axes of the carrier in real time.
2. Product features
▶ High-precision,Low-noise,Good repeatability
▶ Low vibration rectification error
▶ Low delay,Low power
▶ shock resistance:5000g,0.1ms
▶ Sensor full factor compensation Algorithm
▶ Small size, Light weight, Easy to install
▶ Accelerometer measurement range:100g
▶ Accept product customization
3. Product indicators
| parameter | unit | KT-EX6-1A | KT-EX6-1B | KT-EX6-1C | KT-EX6-1D | |
| gyroscope | Range | º/s | ±400 | |||
|
Bia. Stability (1s smoothing,1σ,Room temperature) |
°/h | 10 | 10 | 5 | 5 | |
| Bias error in the full temperature range | °/h | 20 | 20 | 10 | 10 | |
| Random walk | °/√h | 0.2 | 0.2 | 0.15 | 0.15 | |
| Bia. Repeatability | °/h | 10 | 10 | 10 | 10 | |
| Bias acceleration sensitivity | °/h/g | 1 | ||||
| Resolution | °/h | 2 | ||||
| Scale factor nonlinearity | ppm | 100 | 100 | 50 | 50 | |
| Scale factor repeatability | ppm | 100 | 100 | 100 | 100 | |
| Cross-coupled | % | 0.1 | ||||
| Bandwidth | Hz | 250 | ||||
| Accelerometer | Range | g | ±10~100g | |||
| Bias error in the full temperature range | mg | 1；6；15 | 3；6；10 | |||
| Random walk | m/s/√h | 0.04；0.2；0.5 | 0.1；0.2；0.5 | |||
| Bia. Repeatability | mg | 1；3；6 | 0.5；2；5 | |||
| Scale factor nonlinearity | ppm | 300 | ||||
| Scale factor repeatability | ppm | 100 | ||||
| Bandwidth | Hz | 100 | ||||
| Inclinometer | Range | g | ±1.7 | |||
| Bia. Stability(1s smoothing) | mg | 0.5 | ||||
| Random walk | m/s/√h | 0.08 | ||||
| Scale factor nonlinearity | ppm | 250 | ||||
| Others | Working voltage | V | 5 | |||
| Power consumption | W | 2 | ||||
| Ripple | mV | 100 | ||||
| Operating Temperature Range | ℃ | -45~85 | -55~85 | -45~85 | -55~85 | |
| Storage Temperature Range | ℃ | -55~105 | -60~125 | -55~105 | -60~125 | |
| Vibration | —— | 10~2000Hz,6.06g | ||||
| Impact resistance | —— | 5000g,0.1ms | ||||
| MTBF | h | 20000 | ||||
| Weight | g | 55 | ||||
| Measurement | mm | 44.8×38.6×20 | ||||
| Interface | —— | RS-422 | ||||
IMU polarity definition
3 gyros and 3 accelerometers is defined as shown in the figure below, and the direction of the arrow is positive.
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