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Jean Lim, SICK Pacific Northwest Product Specialist

Why Won't My Sensor Detect That?
12 March 2026

Five Object Detection Challenges and How the SICK W4 Solves Them

This is one of the most common questions we get: "The sensor should be seeing this object — why isn't it working?"

Many jump to the sensor being broken, but mostly the sensor just isn’t tailored to detect the object.

SICK’s W4 sensors are designed...