These 18mm and 30mm diameter round body ultrasonic sensors are equipped with LED status indicators and a push-button teach feature for configuration of DC output models and for sensitivity adjustment on analog output models. Ten output types in combinations of PNP and NPN discrete outputs and 0-10VDC or 4-20mA analog outputs are available. The IP67 rated sensors have ether an attached two-meter output cable or a M12 quick-disconnect connector. 18mm UK1 series sensors start at $99.00 and are available in four sensing ranges: 50-400mm, 100-900mm, 150-1,600mm, and 200-2,200mm. The 30mm UT1 series sensors start at $185.00 and have a 250-3500 mm sensing range. Both series are backed by a lifetime warranty and are cULus, CE and RoHS approved.