Noncontact Ultrasonic Level Sensor For Media Type Chemicals Oil Wastewater Water Antenna Diameter 3 7/8 in Range 1 180.8 in Connection Size 1 1/2 in Connection Type NPT Accuracy +/-3 mm Voltage - Maximum 26V DC Dead Band 12 in Beam Angle 18 Degrees Operating Frequency 26 kHz Spatial Resolution 0.118 in Operating Pressure - Maximum 150 psi Media Temperature - Minimum -76 Degrees F Media Temperature - Maximum 302 Degrees F Output Wire Configuration 2-Wire