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Flowline LU27/28/29 Series EchoSonic II™ Ultrasonic Level Transmitter

EchoSonic II™ Ultrasonic Level Transmitter
LU27/28/29 Series

The general purpose two-wire ultrasonic transmitter provides non-contact level measurement up to 32.8’ (10 m), and is well suited for challenging ultrapure, corrosive, slurry or waste liquids. The transmitter is broadly selected for atmospheric bulk storage, day tank, waste sump, process vessel, IBC tote, 55-gallon drum and waste sump applications. Media examples include acetic acid and resin.

• WebCal, an innovative PC user interface that provides fast and accurate configuration
• Offered in 3 measurement ranges up to 32.8’ (10 m)
• Optimize sensor placement with unmatched beam width for applications with restricted space

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Table 1Table 2
XXX
Table 1Sensor Range / Size
272.5 m (8.2’)
287.5 m (24.6’)
2910 m (32.8’)
Table 2Process mount
0NPT (US)
1G (Metric)
Range LU27: 4” to 8.2’ (10 cm to 2.5 m) LU28: 8” to 24.6’ (20 cm to 7.5 m) LU29: 8” to 32.8’ (20 cm to 10 m)
Accuracy ± 0.2% Range
Resolution LU27: 0.019” (0.5mm) LU28/29: 0.079” (2 mm)
Beam width LU27: 2” (5 cm) dia. LU28/29: 3” (7.6 cm) dia.
Dead band LU27: 4” (10 cm) LU28/29: 8” (20 cm).
Memory Non-volatile
Supply voltage 24 VDC
Consumption: 0.5W
Loop resist. 500Ω Ohms @ 24 VDC
Signal output 4-20 mA, two-wire
Signal invert 4-20 mA or 20-4 mA
Configuration WebCal® PC Windows® USB 2.0
Fail-safety 4 mA, 20 mA, 21 mA, 22 mA or hold last
Process temp. F: -4° to 140° C: -20° to 60°
Temp. comp. Automatic
Automatic F: -31° to 140° C: -35° to 60°
Pressure MWP = 30 PSI
Enclosure rating Type 6P, encapsulated, corrosion resistant & submersible
Encl. material Polycarbonate
Trans. material PVDF
Cable jacket mat. Polyurethane
Cable type 4-cond., shielded
Cable length 10’ (3m)
Process mount LU27: 1” NPT (1” G) LU28/29: 2” NPT (2” G)
Mount. gasket Viton®
Classification General purpose
Compliance RoHS
Approvals cFMus, CE


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