Items | Tactical-grade (NovAtel 2020), typically used in mobile mapping | Consumer-grade (TDK-InvenSense 2020), typically used in consumer electronics |
---|---|---|
Initial gyro bias | 0.75 (°)/h | 18,000 (°)/h |
Gyro bias over − 40 to + 85 °C | Not given | 108 000 (°)/h |
Gyro scale factor error | 0.03% | 3% |
Accelerometer bias | 1 × 10–3 g (g = 9.806 65 m/s2) | 60 × 10–3 g |
Accelerometer bias over − 40 to + 85 °C | Not given | 180 × 10–3 g |
Accelerometer scale factor error | 0.03% | 3% |
Cost | $ 1,000 level | $ 10 level |