• 225200
  • Usually ships in 2-3 weeks



  • PVDF transducer for corrosive liquid media
  • 2in NPT process mount
  • 8 to 72in (20.3 to 183cm) level range
    • Up to 314in (798cm) with 2in transducer
  • ±0.2% of span in air accuracy
  • 0.039in (1mm) resolution
  • 3in (7.6cm) beam width
  • 8in (20cm) dead band
  • 12 to 28VDC supply voltage
  • 500Ω max loop resistance
  • NEMA 4X (IP65) enclosure rating
  • EN 61326 EMC CE compliance


The Gems UCL-520 Ultrasonic Level Transmitter is a general purpose two-wire ultrasonic transmitter providing non-contact level measurement up to 26.2ft (8m). It is ideally suited for challenging ultra pure, corrosive or waste liquids.

Push button calibrated, the UCL-520 is broadly selected for atmospheric bulk storage, day tank and waste sump applications. Media examples include waste water and sodium hydroxide. The PC/ABS enclosure is rated NEMA 4X, and the transducer is housed in rugged PVDF.

Gems UCL-520 Ultrasonic Level Transmitter Applications:

  • Water and waste water
  • Petrochemical
  • Health care
  • Mining
  • Cleaning
  • HVAC
  • Chemical
  • Semiconductor
  • Agriculture
  • Electric power
  • Water parks & swimming pools