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Calibration and verification methods and frequencies for treadmill
| Treadmill (speed and grade) | ||
| Method/sensor | Verification/calibration | Frequency |
| Manual/digital control | ±0.2 mph and ±0.5% grade8 9 Time revolution of belt and carpenter’s rule. Specialist, not readily available equipment (often performed by manufacturer) |
Yearly as part of servicing, when move, or on suspicion of malfunction |
