EchoSonic® LU23-29 Ultrasonic Level Transmitter with Conduit

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Application

The general purpose ultrasonic level transmitter provides continuous level measurement up to 32.8' (10m) with a 4-20 mA signal output, and is configured via our free Webcal software. This non-contact liquid level sensor is ideally suited for corrosive, ultrapure, sticky or dirty liquids, and is broadly selected for bulk storage, day tank, lift station and process tank level applications.

Features

 Offered in 4 measurement ranges from 9.8' (3m) to 32.8' (10m)

 DSP auto adaptive filters enable plug & play operation optimizing signal output filtering & obstacle recognition

 Configuration is fast and easy via WebCal software and USB adapter

 Narrow 2" or 3" beam width for applications with limited measurement space

 Short 4" or 8" dead band maximizes the measureable filling capacity of the tank

 PVDF transducer and NEMA 4X polycarbonate enclosure for corrosive liquids

 Automatic temperature compensation for accurate measurement

Specifications

Range: LU27: 4" to 9.8' (10cm to 3m) 
LU23: 8" to 18.0' (20cm to 5.5m) 
LU28: 8" to 24.6' (20cm to 8m) 
LU29: 8" to 32.8' (20cm to 10m)
Accuracy: ± 0.2% of range
Resolution: LU27: 0.019" (0.5mm)
LU23: 0.039" (1mm) 
LU28/29: 0.079" (2mm)
Dead band: LU27: 4" (10cm)
LU23/28/29: 8" (20cm)
Beam width: LU27: 2" (5cm)
LU23/28/29: 3" (7.6cm)
Configuration: WebCal® PC 
Windows® USB 2.0
Memory: Non-volatile
Supply voltage: 24 VDC (loop)
Consumption: 0.5W
Loop resistance: 500 ohms @ 24 VDC
Signal output: 4-20 mA, two-wire
Signal invert: 4-20 mA or 20-4 mA
Signal fail-safe: 4 mA, 20 mA, 21 mA,
22 mA or hold last
Process temp.: F: -4° to 140°
C: -20° to 60°
Temp. comp.: Automatic
Ambient temp.: F: -31° to 140°
C: -35° to 60°
Pressure: MWP = 30 PSI (2 bar)
Enclosure rating: NEMA 4X (IP65)
Encl. material: Polycarbonate
Trans. material: PVDF
Cable jacket mat: Polyurethane
Cable type: 4-conductor, shielded
Process mount: LU27: 1" NPT (1" G)
LU23/28/29: 2" NPT (2" G)
Mount gasket: Viton®
Classification: General purpose
Compliance: CE, RoHS
Approvals: cFMus
 
 

 


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