Reflective Ultrasonic Level Sensor, For Media Type Chemicals, Oil, Wastewater, Water, Antenna Diameter 2 3/8 in, Range 235.2 in, Connection Size 2 in, Connection Type NPT, Accuracy +/-0.2 Percent of Range, Voltage - Maximum 28V DC, Dead Band 8 in, Operating Frequency 50 kHz, Spatial Resolution 0.079 in, Beam Width 3 in, Operating Pressure - Maximum 30 psi, Media Temperature - Minimum -40 Degrees F, Media Temperature - Maximum 176 Degrees F, Output Wire Configuration 2-Wire WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -