EchoTouch® LU30 Ultrasonic Level Transmitter

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Application

The general purpose 3-wire ultrasonic level transmitter provides continuous level measurement up to 24.5’ (7.4m) with a 4-20 mA signal output, and is configured via the integral push button display module. The level sensor has one 10A relay that can be configured on a single set point as an alarm or latched on two set points for automatic fill or empty with fail-safe logic. This non-contact liquid level sensor is well suited for corrosive, ultrapure, sticky or dirty liquids, and is widely selected for bulk storage and day tank level applications.

Features

 Level measurement up to 24.5’ (7.4m) with 1 pro­grammable relay

 Configuration is simple via integral push button dis­play module 

 LED digital display indicates level in inches or centi­meters 

 Programmable relay for alarm or automatic fill-empty control

 PP enclosure rated NEMA 4X with rugged PVDF transducer

Specifications

Range: 6” to 24.5’ (15cm to 7.4m)
Accuracy: ± 0.25% of range
Resolution: 0.125" (3mm)
Dead band: 6" (15cm)
Beam width: 8° conical
Configuration: Push button
Memory: Non-volatile
Display type: LCD, 4-digit
Display units: Inch or cm
LED indication: Relay status
Supply voltage: 14-36 VDC
Consumption: 200mA maximum
Signal output: 4-20 mA, three-wire
Signal invert: 4-20 mA, 20-4 mA
Current flow Sourcing or sinking
Contact type: (1) SPDT relay, latching
Contact rating: 250 VAC @ 10A
Contact logic: Single point: alarm, Two point: latching
Contact fail-safe: Reverts to safe state during echo-loss
Process temp.: F: -20° to 140°, C: -4° to 60°
Temp. comp. Automatic
Ambient temp. F: -40° to 140°, C: -40° to 60°
Pressure: 30 psi (2 bar) @25° C., derated @1.667 psi (.113 bar) per °C. above 25° C.
Enclosure rating: NEMA 4X (IP65)
Encl. material: PP, UL94VO
Conduit entrance: Single, 1/2” NPT
Cable length:: 9” (22cm)
Cable type: Power & signal: 3-conductor, Relay: 3-conductor
Cable jacket mat.: Vinyl
Trans. material: PVDF
Process mount: 2” NPT (2” G)
Mount gasket: Viton®
Classification:: General Purpose
Compliance: CE
 
 

 


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