• EchoSpan® LU80-84 Ultrasonic Liquid Level Sensor Transmitter

EchoSpan® LU80-84 Ultrasonic Liquid Level Sensor Transmitter

The general purpose ultrasonic 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 well suited for corrosive, ultrapure, sticky or waste liquids, and is selected for bulk storage, tanker truck and neutralization tank applications.
Model : LU80-84

The general purpose ultrasonic 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 well suited for corrosive, ultrapure, sticky or waste liquids, and is selected for bulk storage, tanker truck and neutralization tank applications.
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: -7° to 140°
C: -20° to 60°
Temp. comp.: Automatic
Ambient temp.: F: -40° to 160°
C: -40° to 71°
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
• 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
• Bulk storage
• Tanker truck
• Neutralization tank