PwrPak7 IMU Specifications
These specifications apply to PwrPak7 models with an integrated IMU (PwrPak7-E1, PwrPak7D-E1, PwrPak7-E2 and PwrPak7D-E2).
IMU specifications are provided by the Seiko Epson Corporation. For more information about the IMU specifications, refer to the Epson website.
|
Gyroscope Performance |
|
|
Technology |
MEMS |
|
Dynamic range |
150 °/s |
|
Bias instability |
3.5 °/hr |
|
Angular random walk |
0.1 °/√hr |
|
Accelerometer Performance |
|
|
Technology |
MEMS |
|
Dynamic range |
5 g |
|
Bias Instability |
0.1 mg |
|
Velocity random walk |
0.05 m/s/√hr |
For the PwrPak7-E1 and PwrPak7D-E1, peak vibration amplitude in the frequency range of 700 Hz to 900 Hz must be minimized to achieve optimal SPAN performance.
|
Gyroscope Performance |
|
|
Technology |
MEMS |
|
Dynamic range |
450 °/s |
|
Bias instability |
0.8 °/hr |
|
Angular random walk |
0.06 °/√hr |
|
Accelerometer Performance |
|
|
Technology |
MEMS |
|
Dynamic range |
10 g |
|
Bias instability |
0.012 mg |
|
Velocity random walk |
0.025 m/s/√hr |