SITRANS LR140 Radar Level Transmitter

Brand: Siemens AG

SITRANS LR100 series are 80 GHz compact radar transmitters with Bluetooth wireless technology. Featuring a narrow beam for flexible installations in existing vessel openings – or non-intrusively through plastic vessels.

SITRANS LR140 is a 2 wire loop powered radar transmitter for continuous level measurement of liquids and slurries to a range of 8 m (26 ft).
Features
  • Bluetooth connectivity for easy setup with
  • SITRANS mobile IQ.
  • Chemically resistant PVDF sensor.
  • W band FMCW radar yields narrow beam with small antenna for superior performance in short range applications
  • Approved for open air applications outside of a tank.
  • Compact design fits in limited space installations.

Specifications

Measuring Principle

  • W Band FMCW Radar

Measuring Range

  • 0 to 8 m (0 to 26 ft)

Frequency

  • 80 GHz Nominal

Process Connection

  • 1-1/2” NPT
  • 1-1/2” BSPT
  • 1-1/2” BSPP

Process Pressure

  • -1 to 3 bar (14.5 to 43.51 psig)

Process Temperature

  • -40° to 60° C (-40° to 140° F)

Accuracy

  • ± 5 mm

Beam Angle

Communication

  • 2-Wire, 4-20 mA

Environmental Protection

  • IP67
  • IP66

Bluetooth

  • Yes

Power Supply

  • 12-35 Vdc

Current

  • 4-20 mA

Material of Construction

  • Enclosure: PBT
  • Sensor: PVDF

Certifications & Approvals

  • General: CE, CFMUS, CCSAUS, RCM, EAC
  • Radio: CE, FCC, IC, Anatel, ICASA, NCC, KC, CITC, RCM, WPC, Telec, NBTC, MCMC

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