Turck BI2-EH6.5K-AP6X Inductive Proximity Sensor

The Turck BI2-EH6.5K-AP6X is a compact 6.5 mm inductive proximity sensor with a 2 mm rated switching distance, designed for precise metal detection in tight spaces. It uses a stainless steel housing (1.4305 / AISI 303) with a smooth barrel and a flush-mount design, and a PA66 active sensing area, measuring 23.5 mm in length for a low-profile installation. The device is a 3‑wire, normally open (NO) PNP output unit, operating on a 10–30 V DC supply and capable of handling up to 150 mA with a maximum voltage drop of 1.8 V at Ie. It features robust electrical protections, including short-circuit protection (cyclic) and wire break/reverse polarity protection, plus an isolation test voltage of 0.5 kV and a residual current below 0.1 mA. The BI2-EH6.5K-AP6X switches at frequencies up to 3 kHz and offers a repeat accuracy of ≤ 2% of full scale with 20% hysteresis, making it suitable for repeatable position sensing in automation tasks. Its flush-mount design and metal housing provide durability in industrial settings, while the PA66 sensing face contributes to wear resistance in daily operation. This model aligns with Turck’s inductive sensor family, delivering reliable, contactless metal detection in compact form factors where space is at a premium.