EchoSpan® LU80-84 Ultrasonic Level Transmitter


        

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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 its integral push button display module. 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)

 Configuration is simple via integral push button display module

 LCD display indicates level in inches, centimeters and percentages

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

 Fail-safe intelligence and diagnostic feedback for simple troubleshooting

 PVDF transducer and NEMA 4X polycarbonate enclosure for corrosive liquids

 Automatic temperature compensation for accurate measurement

Specifications

Range: LU80: 4" to 9.8' (10cm to 3m)
LU81: 8" to 18.0' (20cm to 5.5m)
LU83: 8" to 26.2' (20cm to 8m)
LU84: 12" to 32.8' (30cm to 10m)
Accuracy: ± 0.2% of range
Resolution: LU80: 0.019" (0.5mm)
LU81/83: 0.039" (1mm)
LU84: 0.078" (2mm)
Dead band: LU80: 4" (10cm)
LU81/83: 8" (20cm)
LU84: 12" (30cm)
Beam width: LU80: 2" (5cm)
LU81/83/84: 3" (7.6cm)
Configuration: Push button
Memory: Non-volatile
Display type: LCD, 6-digit
Display units: Inch, cm and percent
Supply voltage: 12-28 VDC
Loop resist.: 500 Ohms @ 24 VDC
Signal output: 4-20 mA, two-wire
Signal invert: 4-20 mA, 20-4 mA
Signal fail-safe: 4mA, 20mA, 21mA, 22mA 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
Encl. hardware: Brass & stainless
Enclosure vent: Water tight membrane
Conduit entrance: Dual, 1/2" NPT
Trans. material: PVDF
Process mount: LU80: 1" NPT (1" G)
LU81/83/84: 2" NPT (2" G)
Mount gasket: Viton®
Classification: General purpose
Compliance: CE, RoHS

 


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