Ultrasonic level transmitter EchoSpan® LU80-84 series

for liquids4-20 mA2-wire

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. 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 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