Intrinsically Safe, Flanged Mounted Pulse Radar Level Transmitter

LR21

^AUD5,166.60 LR21-5321-30-00

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316L antenna with PTFE inner shield for corrosive media
Configuration via push button display or HART communicator
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

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Description

The intrinsically safe 26 GHz. pulse radar transmitter provides continuous level measurement up to 65.6’ (20m) with a 4-20 mA analog and HART digital signal output, and is configured via its integral push button display module or HART communicator. The non-contact liquid level sensor is intended for chemical storage or process applications in above or below grade tanks of any material. Select this sensor for challenging process conditions with corrosive media, light surface foam or agitation, higher temperature or pressure, condensation or vapor, and installation in a flange fitting. Typical applications include bulk storage and process tanks.

PTFE Shield
Sufuric and nitric acids are strong mineral acids that are widely used in industrial and commercial applications. Highly vaporous and corrosive, they’re difficult to measure and harsh on equipment. The non-contact LR21 is an excellent choice for this media, as its 26 GHz. pulse radar measurement is unaffected by extreme vapor, and the antenna’s PTFE inner shield, provides reliable corrosion resistance.

SPECIFICATIONS

Connection Type: 3" Flange (ANSI)
Display Type: LCD
Measurment Unit: Ft/M
Measurement Type: Level
Supply Voltage: 21.6 to 26.4 Vdc
Retransmission/Analog Output: 4 to 20 mA, HART 7
Maximum Operating Pressure: 72 psi
Maximum Liquid Temperature: 150C (302F)
Minimum Liquid Temperature: -40C (-40F)
Accuracy Value: +/- 3mm
Minimum Ambient Temperature: -40°C (-40°F)
Wetted Materials: 316L SS, PTFE
Beam Angle: 12°
Frequency: 26 GHz
Certification: FCC
Classification: Intrinsically safe