LOE Web-enabled ultrasonic level sensors from Automation Products Group (APG) Inc., Logan, UT, monitor liquids or solids in remote tanks and can also be used for local tank monitoring. Three models are available: the LOE-2126 with a 1–25 ft. detection range; the LOE-3136 with a 1.5–40 ft. detection range; and the LOE-6126 with a 4–180 in. detection range and a 1 in. blanking distance. Features include power over Ethernet (PoE); AutoSense operating software; ability to program and configure the sensors remotely via the company's Web site or the sensor's embedded Web page; ability to send email, text messages, or both when a predetermined level or volume is reached; and transmission of level data to a dedicated Web site.