Seatbelt load cell, low range
The model FN4055 measures with excellent accuracy the tension forces exerted on the seat belt. Only the actual force upon the seat belt is measured, as the sensor is insensitive to contact from the crash test dummy. The unit is designed for very low ranges 100 to 300N, such as tests for children security. It is protected against overload by mechanical stops. A similar sensor, model EL20, covers requests with higher ranges up to 25kN.
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