Rosemount 3101 ultrasonic level transmitter 3101LP3FSCG6ST is a reliable and cost-effective solution optimized for simple level measurement, with a 4–20mA output. It is suitable for storage tanks, effluent pits, and buffer tanks. Operating Temperature -22 to 158 °F (-30 to 70 °C). It features a local operator display with buttons for quick and easy commissioning and fully integrated temperature compensation for automatic speed of sound correction. The automatic false echo detection together with easy setup makes this a device you can trust.