Product Description
Documentation
| EchoSpan™ Two-Wire Ultrasonic Level Transmitter |
| FlowLine Ultrasonic Level Transmitter Series |
| Item Number: LU81-5101 |
The general purpose two-wire ultrasonic transmitter provides non-contact level measurement up to 18.0 ft or 5.5 m, and is ideally suited for challenging ultrapure, corrosive or waste liquids. Push button calibrated, the transmitter is broadly selected for atmospheric bulk storage, day tank and waste sump applications. Media examples include wastewater and sodium hydroxide.
Calibration is fast and simple with our scrolling single layer menu, three button interface and 6-segment LCD display. Troubleshooting is easy with our powerful setup and diagnostic feedback modes. Setup displays the transmitter's calibration set points. Diagnostics provides users with a snapshot of sensor performance and application variables. It's full feature level made simple!
Features:
Setup is fast and simple with push button calibration and LCD display
Offered in three measurement ranges
6-segment LCD display indicates level in inch or centimeter values
7.6 cm minimum beam width for applications with restricted space
PC/ABS enclosure reated NEMA 4X with rugged PVDF transducer
Fail-safe intelligence with diagnostic feedback for easy troubleshooting
Specification
| Model |
LU81-5101
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| Range |
4in to 18.0ft/10cm to 5.5m
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8in to 26.2ft/20cm to 8m
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12in to 32.8ft/30cm to 10m
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| Accuracy |
±0.2%
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| Resolution |
0.039 in / 1 mm
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0.078 in / 2 mm
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| Beam Width |
3 in (7.6 cm) dia.
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| Dead Band |
4 in / 10 cm
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8 in / 20 cm
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12 in / 30 cm
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| Display |
LCD, 6 digit
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| Display Units |
Inch, cm or percent
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| Memory |
Non-volatile
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| Supply Voltage |
12-28 VDC
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| Loop Resist |
500 Ohms @ 24 VDC
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| Signal Output |
4-20 mA, two wire
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| Signal Invert |
4-20 mA or 20-4 mA
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| Calibration |
Push button
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| Fail-Safety |
Selectable 4 mA, 20 mA, 21 mA, 22 mA or hold
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| Process Temperature |
-4° to 140°F / -20° to 60°C
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| Temperature Comp. |
Automatic
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| Electronics Temperature |
-40° to 160°F / -40° to 71°C
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| Pressure |
30 psi (2 bar) @ 25°C, derated @ 1.667 psi (0.113 bar) per °C above 25°C
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| Enclosure Rating |
NEMA 4X (IP65)
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| Enclosure Vent |
Water tight membrane
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| Enclosure Material |
PC / ABS FR
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| Transducer Material |
PVDF
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| Process Mount |
2 inch NPT
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| Mount. Gasket |
Viton
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| Conduit Entrance |
Dual, 1/2 inch NPT
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| CE Compliance |
EN 61326 EMC
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