AiW-4111 Planar Array Hydrological FMCW Radar Level Transmitter

A burger shape and compact FMCW radar for hydrological applications. Connect via wireless Bluetooth or Wi-Fi to your cell phone to check the measurement. Easy to install and easy to use.

Applications: dams, lakes, tides, open channels, city manhole covers, marines, reservoirs, rivers, wastewater treatment, rivers, agricultural irrigation, sewers

To order or inquire, please contact us

Price: 1.00 USD


  • Easy to install by multi-angle bracket to fit all different kinds of wild environments
  • Fully enclosed IP68 waterproof protection with horizontal indicator and lightning protection
  • Light, handy, compact, no fear of water drop, cobweb, dust in wild 


Frequency FMCW, frequency 24.0GHz-26.0GHz, Typical power of RF <30uW
Range 0.3 ~ 55.00m (Based on antenna face)
Accuracy ±3mm
Response Time Effective level data output time for power boot <10s, Measurement data update cycle <1.5s
Beam Angle 10°
Dimensions Φ125mm x 45 mm (H)
Connection M12/ 4 wires of watertight aerial plug, AWG≤0.785/18 (6-wire type is optional)
Antenna Φ80mm Planar array antenna, 21dB (with POM antenna cover)
Signal output Option:  1 relay level alarm output (250VAC/5A) or 4-20mA output
Option: Ambient temperature output, elevation data output
Option:  Wi-Fi / App / GPRS / IoT
Communication RS485 MODBUS (Modbus / PLC/ RTU )
Ambient Temp -55….85 °C
Humidity ≤95%RH
Pressure 860 ~ 1060 mbar (12,47 ~ 15,37psi)
Power Supply 9~38VDC, 4 wires, < 80mW
Diagnostic  Remote PC end software and mobile application software
Casing Anodized Aluminum + POM or PTFE (Antenna cover)
Mounting M6 Universal Joint Bracket Mounting
Ratings IP67 / IP68



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