Noncontact Ultrasonic Level Sensor, For Media Type Chemicals, Oil, Wastewater, Water, Antenna Diameter 1 3/8 in, Range 49.2 in, Connection Size 1 in, Connection Type NPT, Accuracy 1/8 in, Voltage - Maximum 24V DC, Dead Band 2 in, Operating Frequency 100 kHz, Spatial Resolution 0.019 in, Beam Width 2 in, Operating Pressure - Maximum 30 psi, Media Temperature - Minimum 20 Degrees F, Media Temperature - Maximum 140 Degrees F, Output Wire Configuration 2-Wire, Output Voltage Range 4 to 20mA