The Omron E3Z-LS61 2M is a digital fiber-optic sensor with a high power, long sensing range. It is designed for automated or manual applications, and can detect the presence of liquids, solids and granular objects. The sensor offers a wide-above-the-head sensing range of up to 2900 mm, with a detection range of 12 mm to 1800 mm. It has an S-shaped response time of 1 ms and an LED indicator that indicates presence or lack of presence of a detected object. The sensor also features a 3-color LED output, which helps to quickly identify malfunctioning stages. It is designed for corrosive and hazardous working environments, and is shock and vibration resistant. It is also EPA, UL and CSA approved, making it a reliable and safe choice for applications.