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  EchoSwitch® II Bulk Tank Ultrasonic Switches

EchoSwitch® II Bulk Tank Ultrasonic Switch-
LU78-5005 / LU77-5055

The general purpose ultrasonic switch and controller provides non-contact level detection up to 24.6' (7.5 m) with 3 SPDT 60 VA 1A relays. EchoSwitch II features an LCD display with digital push button configuration. Each relay can be configured on a single set point alarm or latched on two set points for automatic fill or empty in simplex, duplex or triplex control modes with integral timer delay. The switch is well suited for a broad range of corrosive, waste and slurry type media. EchoSwitch II is broadly selected for atmospheric day tank, pump lift station and sump applications.

  • Non-contact level detection with integral 3-channel relay control
  • LCD display with simple digital push button configuration
  • Pump simplex, duplex and triplex control modes
  • Integrated timer for pump/valve delay and pump alternation
  • Available in 2.5m (8.2') or 7.5m (24.6') range
  • 10cm miniature dead band optimizes the filling capacity of
          small sumps or vessels
  • Corrosion resistant polycarbonate enclosure with PVDF transducer

  • LU78: 8" to 24.6' (20 cm to 7.5 m)
  • LU77: 4" to 8.2' (10 cm to 2.5 m)

  • J.L. Wingert Representatives can assist you with the selection of equipment best suited to your specific needs. Contact our customer service department by e-mail at or call us Monday through Friday from 7:00 a.m. to 5:00 p.m. PST at (714) 379-5519, or fax us at (714) 379-5549.

    Copyright © 2003 J.L. Wingert Company - Last modified: 03/17/2011