Flowline EchoSwitch® II, Bulk Tank Ultrasonic Switch, Non-Contact Multi-Point Level Controller

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.
Automation The integral three channel controller has powerful automation features including advanced pump and alarm control logic designed for day tank, process vessel and waste sump applications. From alarms to automatic fill or empty, pump duplexing and run dry protection, EchoSwitch II does it all. It's level made simple.

Specifications
Range:	LU77: 4" to 8.2' (10 cm to 2.5 m) LU78: 8" to 24.6' (20 cm to 7.5 m)
Repeatability:	0.25" (6.35 mm)
Effective beam width:	3" (7.6 cm) dia.
Dead band:	LU77: 4" (10 cm) LU78: 8" (20 cm)
LCD indication:	Level and relay status
Configuration:	Push button
Supply voltage:	95-250 VAC
Contact type:	(3) SPDT relays
Contact rating:	60 VA, 1A max.
Contact fail-safety:	Programmable/selectable
Temp. comp.:	Automatic
Electronics temp:	F: -4° to 140° C: -20° to 60°
Pressure:	MWP = 30 psi
Enclosure rating:	NEMA 4X (IP65)
Enclosure vent:	Water tight membrane
Encl. material:	Polycarbonate, UV
Encl. hardware:	Brass and stainless
Trans. material:	PVDF
Process mount:	LU77: 1" NPT (1" G) LU78: 2" NPT (2" G)
Mount gasket:	Viton®
Conduit entrance:	Dual, 1/2" NPT
Classification:	General purpose
Compliance:	RoHS
Approvals:	CE (Pending)