Contact Ultrasonic Level Sensor Product Type Liquid Level Sensor Transmitter Connection Size 3/4 in For Media Type Oils Wastewater Water Connection Type NPT Body Material Aluminum Accuracy +/-3 mm Range 3 ft Stem Length 36 in Operating Pressure - Maximum 250 psi Media Temperature - Maximum 302 Degrees F Mounting Orientation Vertical Enclosure Rating NEMA 4 Number of Outputs - Analog 1 Float Diameter 1/4 in Float Length 36 in Output Wire Configuration 3-Wire