Clark Sonic – EchoSpan Ultrasonic Level Transmitter

EchoSpan®:   Two-Wire Ultrasonic Level Transmitter
4-20mA Output, Ranges to 32.8′ (10 m).

Description:

The general purpose two-wire ultrasonic transmitter provides non-contact level measurement up to 32′ or 10m, and is ideally suited for challenging ultra-pure, corrosive or waste liquids. Push button calibrated, the transmitter is broadly selected for atmospheric bulk storage, day tank and waste pump applications. Media examples include waste water and sodium hydroxide.

Features:

Setup is fast and simple with push button calibration and LCD display. Offered in three measurement ranges up to 10m with 2″ transducer 6-segment LCD display indicates level in inch or centimeter values 7.6 cm minimum beam width for applications with restricted space.  Selectable display indicates level in air gap or liquid height. PC/ABS enclosure rated NEMA 4X with rugged PVDF transducer. Fail-safe intelligence with diagnostic feedback for easy troubleshooting.

General Specifications:

Range:
LU81: 4″ to 16.4′ (10 cm to 5m)
LU83: 8″ to 26.2′ (20 cm to 8m)
LU84: 12″ to 32.8′ (30 cm to 10m)
Accuracy: ± 0.2% of span in air
Resolution:
LU81/83: 0.039″ (1 mm)
LU84: 0.078″ (2 mm)
Beam Width: 3″ (7.6 cm) dia.
Dead Band:
LU81: 4″ (10 cm)
LU83: 8″ (20 cm)
LU84: 12″ (30 cm)
Display type: LCD, 6-digit
Display units: Inch, cm or percent
Display mode: Air gap or liquid height
Memory: Non-volatile
Supply voltage: 12-28 VDC
Loop resist.: 500 Ohms @ 24 VDC
Signal output: 4-20 mA, two-wire
Signal invert: 4-20 mA or 20-4 mA
Calibration: Push button
Fail-safe: Select 4mA, 20mA, 21 mA, 22 mA or hold
Process temp.: -4°F to 140°F (-20°C to 60°C)
Temp. comp.: Automatic
Electronics temp.: -40°F to 160°F (-40°C to 71°C)
Pressure: 30 psi (2 bar) @ 25°C, derated @ 1.667 psi (.113 bar) per °C. above 25°C
Enclosure rating: NEMA 4X (IP65)
Enclosure vent: Watertight membrane
Encl. material: PC/ABS FR
Trans. material: PVDF
Process mount: 2″ NPT (2″ G)
Mount. gasket: Viton®
Conduit entrance: Dual, 1/2″ NPT
Mounting Gasket: Viton
Approvals: CE, RoHS Compliant

Dimensions:


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