Table 1.
Sample frequency, standard deviation (SD), weight and range per accelerometer. aRange as defined in specifications, exact setting could not be found
| Consumer product | Data acquisition software | Number of measurements (n) | Sample frequency (Hz) | SD (Hz) | Weight device (g) | Range (±G) |
|---|---|---|---|---|---|---|
| Standard | Biometrics | 840 | 1000 | 0.0 | 10 | 10 |
| iPhone | Make Helsinki | 120 | 329 | 41.7 | 138 | 2–16a |
| iPod | CHDR | 120 | 98 | 31.7 | 88 | 2–16a |
| Apple Watch | Make Helsinki | 120 | 52 | 5.8 | 28 | 2–16a |
| Huawei Nexus | Make Helsinki | 120 | 20 | 0.0 | 178 | 2–16a |
| Huawei watch | Make Helsinki | 119 | 20 | 0.0 | 60 | 2–16a |
| MW watch | Make Helsinki | 118 | 103 | 23.3 | 17 | 2 |
| MW clip | Make Helsinki | 120 | 101 | 0.4 | 11 | 2 |