Panasonic introduces BE-A sensors and other products to solve conventional problems for automation process. Hassle-free one-touch attachment without using tools! Perfect fit into applicable tubes without obstructing flow rate. Compatible with tubes in inch size. 0.8 mm 0.032 in air gaps are reliably detected by optical technology at a response time of 20 μs. Ideal for traceability of the analysis process. Allows for installation in a narrow space. Allows for direct power supply from PC board. Can be used immediately after installation by built-in amplifier. Equipped with two outputs, Liquid-absent-ON and Liquid-present-ON.