Auto Bed Leveling Sensor For ET4 Pro 3D Printer 5mm Proximity Detection NPN Normally Open Probe Durable Brass And ABS Body Detects Metal Plastic Wood And Liquids For Consistent Easy Prints

Capacitive Bed Leveling Sensor for ET4 Pro (Single Pack)
✔️ NPN normally open, 5mm sensing distance, 470mm lead wire

This compact capacitive proximity switch is designed for auto bed leveling on ET4 series printers. It detects metal, plastic, wood, and liquids to deliver consistent, easy prints with minimal manual calibration.

✅ 5mm detection distance, ±10% accuracy
✅ Brass plated ABS body for durability
✅ NPN normally open, non recessed design
✅ 6-36V DC operation, 470mm wiring length (18.5in)

💡 What is a handy way to improve bed leveling accuracy in 3D printing?

- Use a capacitive proximity sensor with a longer lead for flexible mounting - Pair with a bed-leveling routine in the firmware for consistent calibration - Choose a sensor with a precise 5mm sensing distance and NPN output - Ensure operation within DC 6-36V and typical environmental ranges