The RU Flex 2100 DLS is a flexible, extremely rugged, chemically and abrasion resistant digital level sensor offering continuous, accurate, and reliable monitoring of tank level and temperature. With the 36” flexible diameter, one person can install the sensor in 15 minutes. Increased measurement accuracy (3/16″ when ordered with 1/8″ resolution) makes this sensor ready for API 18.2 custody transfer level measurement requirements.