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    Radar Level Sensor, Non-contact Solid Measurement, 0-40M

    Radar level sensor is a non-contact solid measurement at factory price. Measuring range: power 0-10m, 0-20m or 0-35m, granules 0-12m, 0-25m or 0-40m, chunks 0-15m, 0-25m or 0-40m, selectable output signal of 4-20mA, RS485 or 4-20mA+HART, power supply of DC 12-24V or AC 220V, installation of DN80, DN100 or DN125 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-903
    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 0-40m, can transmit and output 4-20mA, HART or RS485 signal to remote control system.


    Model ATO-LEVS-RD903
    Shipping Weight 7.5kg
    Measuring Range Powder 0-10m, Granules 0-12m, Chunks: 0-15m Powder 0-20m, Granules 0-25m, Chunks: 0-25m Powder 0-35m, Granules 0-40m, Chunks: 0-40m
    Accuracy ±10mm
    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: 304 Stainless Steel
    Horn Antenna Size* Φ78mm Φ98mm Φ123mm
    Pressure -0.1 ~ 2.0MPa
    Shock Resistance 10m/s2, (10~150)Hz
    Communication Protocol Modbus
    Medium Corrosive Liquids, Vapors, Volatile Liquids
    Storage Temperature -40~+100℃
    Process connection (antenna) temperature -40~+150℃
    Medium Temperature* -40~+130℃, -40~+230℃
    Protection Class IP67
    Electrical Connection 2 waterproof connectors M20*1.5mm, or 2 waterproof connectors 1/2" NPT
    Installation* DN80 Flange 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: How does a radar level sensor work?

    The working principle of radar level sensor is based on TDR technology, which is based on pulses of electromagnetic energy transmitted along the probe tube. Therefore, when the radar pulse reaches the surface of the liquid in the processing tank with a higher dielectric constant than air, the pulse will be reflected back to the electronics unit. Equipped with a high-speed electronic timing circuit, it can calculate the passing time and measure the liquid level in the tank. It can accurately measure the liquid level.

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