Uncertainty K 2 (Sound ): 3.3 dB(A). Uncertainty K 1 (Vibration) : 1.7 m/s². Uncertainty K 2 (Vibration) : 1.7 m/s². Uncertainty K 3 (Vibration) : 1.5 m/s². Uncertainty K 1 (Sound) : 3.0 dB(A). These product ranges are supported by individuals who are experts in their given fields and can support you with your product choice and system design.