2-Wire Radar Level Transmitter - RD761

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RD761 - 2-Wire Radar Level Transmitter


2-Wire Radar Level Transmitter

The extremely narrow microwave pulse emitted by the antenna on radar level transmitter can travel at the speed of light and part of its energy, which is reflected off the surface of the target medium, is received again by the same antenna. The time lapse between pulse emission and reception by the antenna is proportional to the distance between the surface of the target medium and the reference point on the antenna.


However, due to the fact that the electromagnetic wave is transmitted at extremely high speed, which leads to a short time lapse (nanosecond level) and makes it difficult to be identified, radar level transmitter have adopted a special demodulation technology, enabling itself to detect the time lapse between pulse emission and reception correctly, and eventually generate accurate measurement results.




  • Non-contact measurement
  • Easy set-up and installation
  • High accuracy
  • Unaffected by dust generation
  • Loop-Powered (HART Available)
  • ATEX Approval (Ex ia)

Equipped with advanced microprocessor and unique Echo Discovery echo processing technology, the
radar level transmitter can be used under various process conditions for solid level measurement.




  • River Level Monitoring
  • Flood Monitoring


Monitor the height of river levels timely and accurately.




Maximum Measurement Range30 m
Measurement Accuracy±3mm
Frequency Range:26 GHz
Beam Angle:22ºC
Process Temperature:-1 to 3 bar
Protection ClassIP68
Process Connection:Lifting frame or 1’NPT
Power Supply:2-wire system (24 VDC)
Signal Output:Standard: 4~20 mA
Optional: HART, RS485
Display/Programmer:Dot matrix display / text indication with graphic support
Cable Entry:M20 x 1.5 / 1/2” NPT (Optional)
Power Consumption22.5 mA (maximum)
Ex Approval(ATEX):

Ex ia IIC T6...T3 Ga
Ex ia IIIC T76°C... T146°C Da
(Housing: Stainless Steel Housing Only)




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