Phoenix Contact 1364837 The SNS 74-S1 sensor from Micromega Dynamics is a dual-axis accelerometer designed to detect vibrations, damage, and imbalances in wind turbine generator rotor blades. This sensor also features temperature measurement capabilities, allowing for comprehensive monitoring of the turbine's condition. The measured values are transmitted as 4-20 mA signals, providing a clear indication of any anomalies or issues with the blade.