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Intrinsically Safe Open Channel Pulse Radar Level Transmitter

1" NPT, 4.88" Antenna, 12" to 98.4" Range


Item# LR31-0021-10-00

In stock

Lead Time (If not in stock): 14 weeks
1" NPT, 4.88" Antenna, 12" to 98.4" Range LR31-0021-10-00 LR31-0021-10-00
  • Rugged IP68 level sensor enclosure with 304 SS mounting bracket
  • Configuration via push button display or HART communicator
  • 26 GHz. pulse radar is unaffected by sump process conditions
  • Wall mounted display with windowed enclosure rated IP67

LR31-0021-10-00 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Media type
Tank/Vessel Type
Max Measurement Range
Output Signal
Max Operating Pressure
Max Process Temperature
Wetted Materials
Probe Style
Supply Power
Process Connection Type
Process Connection Size

  • Beam Angle 12°
  • Certification FCC
  • Accuracy Value +/- 3mm
  • Display Type LCD
  • Frequency 26 GHz
  • Maximum Liquid Temperature 100C (212F)
  • Maximum Operating Pressure Atmospheric
  • Measurement Type Level
  • Minimum Ambient Temperature -40°C (-40°F)
  • Minimum Liquid Temperature -40C ('-40F)
  • Retransmission/Analog Output 4 to 20 mA, HART 7
  • Supply Voltage 21.6 to 26.4 Vdc
  • Wetted Materials None
  • Classification Intrinsically safe
  • Measurement Unit Ft/M
The intrinsically safe 26 GHz. pulse radar transmitter provides continuous level measurement up to 98.4’ (30m) with a 4-20 mA analog and HART digital signal output, and is configured via its remote push button display module or HART communicator. The non-contact liquid level sensor is intended for industrial wastewater, municipal storm or sewer lift station, reservoir, river, canal or open channel applications located below or above grade. Select this sensor for challenging process conditions that may include light surface foam or agitation, small trash or plant material, wind, condensation or vapor. Each comes with a 32.8’ (10m) cable, mounting bracket and display module. The sensor is designed for bracket mount installation suspended above the liquid

Lift Stations
Industrial and municipal pump lift stations collect and transfer wastewater or stormwater into treatment. These receptacles are dynamic environments that contain dirt, grease, oil, agitation, sludge, foam, condensation, chemicals or vapor. The LR31 pulse radar sensor is unaffected by such challenging process conditions, and is designed for bracket mount installation, either downhole or above grade based on your needs.
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Intrinsic Safety Barrier
5 In Stock

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