Ultrasonic level transmitter, display: envelope curve display on site, output: 4-20 mA, sensing range: 11 ft (3.5m), 2-wire, power supply: 14–35 V DC, process connection: 2" NPT, process pressure range: 0.7–3 bar, process temperature range: -20–60 °C, protection rating: IP68, connection: 1/2" NPT cable gland