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    Radar Level Sensor, Non-contact Solid Measurement, 0-12M

    Economical price radar level sensor is a non-contact measurement. Measuring range: power 0-12m or 0-15m, granules 0-18m, 0-20m, chunks 0-20m, selectable output signal of 4-20mA, RS485 or 4-20mA+HART, power supply of DC 12-24V or AC 220V, installation of G1-1/2"A thread or flange. Radar level transmitter consists of protection head with LCD display, waterproof connectors, internal radar antenna, horn and installation accessory for measuring various solids.
    SKU: ATO-LEVS-905
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Ultrasonic radar level sensor for non-contact power, granule, chunk and other solids measurement has maximum measuring range 0-20m, can transmit and output 4-20mA, HART or RS485 signal to remote control system.


    Model ATO-LEVS-RD905
    Shipping Weight 7.5kg
    Measuring Range Powder 0-12m, Granules 0-18m, Chunks: 0-20m Powder 0-15m, Granules 0-20m, Chunks: 0-20m
    Accuracy ±15mm
    Resolution 1mm
    Display LCD Display
    Measured Interval 1s (according to parameter setting)
    Adjustment Time 1s (according to parameter setting)
    Microwave Frequency 26GHz
    Output Signal* 4-20mA, Modbus RTU (RS485 Port), 4-20mA+HART
    Power Supply* DC 12-24V, AC 220V/50Hz
    Material Shell Aluminum, Process Connection 304 Stainless Steel
    Horn Antenna Size* Φ98mm Φ123mm
    Pressure -0.1 ~ 4.0MPa
    Shock Resistance 10m/s2, (10~150)Hz
    Communication Protocol Modbus
    Medium Solids
    Storage Temperature -40~+100℃
    Process connection (antenna) temperature -40~+150℃
    Medium Temperature* -40~+250℃
    Protection Class IP67
    Electrical Connection 2 waterproof connectors M20*1.5mm, or 2 waterproof connectors 1/2" NPT
    Installation* DN100 Flange DN125 Flange
    Warranty 12 Months

    Note: * denotes optional parameters, you can select parameters in drop-down lists to finish your order. Some customizable parameters can't be selected from the lists directly, please contact customer service staff for further communication.

    Dimensions (Unit: mm)

    Dimensions of radar level sensor


    Radar level sensor 10m installation


    Radar level sensor 10m wiring


    Radar Level Sensor Details

    Tips: Radar level sensor troubleshooting

    • The measurement data is inaccurate and there are deviations.
      The change trend of the actual liquid level and the measured data is consistent, but there is a certain deviation in the data. The actual distance of the empty tank in the container can be measured by the traditional rope test method. If the actual measurement data of the rope test method is consistent with the empty tank distance displayed by the radar level gauge, it is enough to prove that the instrument is not faulty.
    • The measured data is obviously distorted.
      The fault is as follows: when the liquid level changes, the measurement data is constant; when the storage tank is empty or nearly full, the meter still displays an obvious false liquid level; and when the liquid level in the storage tank is about to be full, the meter displays bounce back to a low value. The reasons for such failures are as follows:
      1. The medium, water vapor, and environment in the storage tank contain impurities, resulting in dirt on the antenna.
      2. When the medium is emptied, the fixed components in the storage tank cause strong echoes.
      3. When the liquid level in the storage tank will be full, the meter displays a lower material level.

    In view of the above situation, it is recommended to adjust the on-site distance and install the instrument at a higher position to eliminate the influence of multiple echoes.

    • The measurement data fluctuates up and down.
      This is because there is a stirring device in the storage tank, which causes the liquid level to fluctuate up and down, or the temporary disturbance echo enhancement caused by blanking, which causes the measurement data to fluctuate up and down. At this time, it is recommended to improve the application parameters, or consider using a larger size antenna.
    • Loss of waves
      There are usually two reasons for this kind of situation, one is due to the weak reflection ability of the liquid when measuring the liquid with low dielectric constant; The thick and thick foam layer causes the radar pulse signal to be diffused or absorbed, resulting in weak echoes or even "missing waves".
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