Omron E2E Series are Threaded Proximity Standard Sensors for detecting ferrous metals. E2E Sensors are designed to withstand tough environments and have superior barrel thickness with the highest tightening torques available. E2E family of proximity sensors meets global standards like CENELEC, IEC, and UL, and offers the most complete line of proximity sensors.  A wide array of variations are available and are ideal for a variety of applications. Models with different frequencies are also available to prevent mutual interference.