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FLOWLINE ECHOpro® lr11 Pulse radar level sensor


The intrinsically safe 26 GHz. pulse radar level 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 or WebCal software. The non-contact liquid level sensor is intended for chemical or water storage applications in above grade metal or reinforced concrete tanks or below grade tanks of any material. Select this sensor for easy process conditions with corrosive media, light agitation, condensation or vapor, and installation in a low-profile tank adapter or flange fitting. Typical applications include chemical bulk storage and tanker trucks.


Echopro lr11 pulse radar liquid level sensor features:

  • PFA encapsulated antenna and mount for corrosive media
  • Configuration via push button display or WebCal software
  • 26 GHz. pulse radar is unaffected by vapor or condensation
  • 12” (30cm) dead band enables utilization of the entire tank
  • LCD displays level in feet or meters with percent of span bar
  • Optional display mode indicates the echo signal return curve
  • Fail-safe diagnostics with selectable signal fail-safe outputs
  • Recognition, storage and rejection of false echo signal returns
  • IP67 stainless enclosure with polycarbonate display window

echopro lr11 pulse radar corrosion resistance:

The US produces 40 million tons of sulfuric acid per year that is widely used in oil refining, wastewater treatment, lead-acid battery and cleaning product applications. In higher concentrations, sulfuric acid is both extremely corrosive and vaporous. The non-contact LR 11 sensor is an excellent choice for this application, as its 26 GHz. pulse radar measurement is unaffected by vapor, and the antenna and process mount are encapsulated in corrosion resistant PFA for years of reliable service. Select this sensor with confidence in corrosive, vaporous applications.

echopro lr 11 pulse radar liquid level sensor dimensions:

ECHOPRO LR 11 PULSE RADAR LIQUID LEVEL SENSOR FITTINGS:

For optimum performance, install the Flowline reflective ultrasonic level sensor using the below recommended or direct equivalent fittings.

LM53-2400, LM53-2800, LM53-3800, LM52-3850, LM53-4850, LM53-6850

General Specifications for flowline echoPRO level transmitters:

RANGE: 12” to 32.8’ (30cm to 10m)

FREQUENCY:  26 GHz.

ACCURACY: ± 5mm

DEAD BAND: 12” (30cm)

BEAM WIDTH: 22º

CONFIGURATION: Push button; WebCal® PC Windows® USB® 2.0

MEMORY: Non-volatile

DISPLAY TYPE: LCD, dot matrix

DISPLAY UNITS: Feet and meters

DISPLAY BAR: Percent of span

DISPLAY GRAPH: Echo signal curve

SUPPLY VOLTAGE: 21.6 to 26.4 VDC

MAX CONSUPMTION: 22.5 mA

SIGNAL OUTPUT: 4-20 mA, two-wire

SIGNAL INVERT: 4-20 mA, 20-4 mA

SIGNAL FAIL-SAFE: 3.9 mA, 20.5 mA, 22 mA

PROCESS TEMP: F: -40º to 266º, C: -40º to 130º

TEMP COMP: Automatic

STORAGE TEMP: F: -40º to 176º, C: -40º to 80º

PRESSURE: -14.5 to 43.5 psi (-1 to 3 bar)

ENCLOSURE RATING: IP67

ENCLOSURE MATERIAL:  316L stainless steel w/silicone gasket and PBT FR neck

ENCLOSURE WINDOW MATERIAL: Polycarbonate

CONDUIT ENTRANCE: (1) 1/2” NPT connector

ANTENNA MATERIAL:  PFA

PROCESS MOUNT: 1-1/2” NPT

CLASSIFICATION: Intrinsically safe

CERTIFICATION: FCC

COMPLIANCE: CE, RoHS