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The U53 Ultrasonic Sensor requires no maintenance and is designed to provide years of uninterrupted service. To minimize temperature effects, it has a short blocking distance or less than 10 inches （250 mm） so the sensor can be installed close to the water surface. Measuring Range: Depth: 0.82 - 19.68 ft. （0.25 - 6.0 m）. Air Temperature: -40 to 176° F （-40 to +80° C）. Mechanical: Construction: NEMA 6P （IP68） plastic PST body with integral temperature sensor. Cable: 100 ft. For use with Hach sc200 Universal Controller with Ultrasonic Flow Sensor.

• Maintenance Free Sensor
• Sensor Compatible with Large Selection of Flumes and Weirs

  Maintenance Free Sensor

  Non-Contact Ultrasonic Flow Sensor with pulse echo technology requires no routine maintenance.

  Sensor Compatible with Large Selection of Flumes and Weirs

  Select primary gauging structure from large library of flumes and weirs for flow sensor set-up or enter a flow curve for non-standard structure.