Reflective Ultrasonic Level Sensor For Media Type Chemicals Oil Wastewater Water Antenna Diameter 2 3/8 in Range 117.6 in Connection Size 2 in Connection Type NPT Accuracy +/-0.2 Percent of Range Voltage - Maximum 28V DC Dead Band 4 in Operating Frequency 80 kHz Spatial Resolution 0.039 in Beam Width 2 in Operating Pressure - Maximum 30 psi Media Temperature - Minimum -40 Degrees F Media Temperature - Maximum 176 Degrees F Output Wire Configuration 2-Wire