Noncontact Ultrasonic Level Sensor For Media Type Corrosive Liquid Sticky/Waste Liquid Antenna Diameter 3 3/8 in Range 393.6 in Connection Size 2 in Connection Type NPT Accuracy +/-0.2 Percent of Range Voltage - Maximum 24V 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 -4 Degrees F Media Temperature - Maximum 140 Degrees F Output Wire Configuration 2-Wire