Seat belt load cell, digital
The strap is routed under two completely detachable shafts over the measurement body (sensor). The shafts can be detached using a ball locking device by pressing a button. The shafts can still be rotated in the locked state. The applied force causes strain of the measuring point of the base body. The deformation is measured using strain gauges. The wiring of multiple strain gauges for a full bridge circuit compensates for the temperature influence on the zero signal. The very light belt force sensor made of titanium minimizes the influence of the measuring system due to the low own weight of the sensor. The system-inherent nonlinearity can be partially compensated for by an optional integrated linearization circuit. The standard version without linearization is already shipped with calibration according to ISO/ TS 17242 (third degree polynomial approximation).
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