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.

Features:

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

Range:

LU78: 8" to 24.6' (20 cm to 7.5 m)

LU77: 4" to 8.2' (10 cm to 2.5 m)