Non-Contacting Radar Level Transmitter
  • Non-Contacting Radar Level Transmitter
  • Non-Contacting Radar Level Transmitter
  • Non-Contacting Radar Level Transmitter
  • Non-Contacting Radar Level Transmitter

    • Radar Level Measurement

    Non-Contacting Radar Level Transmitter

    76–81GHz millimeter wave radar sensor for non-contact level measurement of liquids, slurries, and solids

    The 76–81 GHz millimeter-wave radar sensors (LM78 Series) are designed for non-contact level measurement of liquids, slurries, and solid materials. They are CE certified and deliver stable, precise measurements in a wide range of industrial applications.

    These sensors perform reliably in a wide range of environments, from standard operating conditions to high or low temperatures and corrosive media. With multiple antenna configurations, they can be adapted to various materials and process conditions to maintain consistent measurement accuracy.

    Millimeter-wave radar sensors are used in petrochemical, food processing, pharmaceutical, mining, and building material industries. They maintain reliable performance even in demanding field conditions, ensuring stable operation and accurate measurements across different applications.

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    Parameters
    • Frequency Range 76 – 81 GHz millimeter-wave radar
    • Process Temperature −40 °C to +85 °C / up to +200 °C
    • Process Pressure −0.1 to 1 MPa
    • Measuring Accuracy ±1 mm
    • Measuring Range 10m/30m/60m/120m
    • Explosion Protection Ex d ia ⅡC T6 Ga
    • Beam Angle 3° / 8°
    • Installation Thread or flange mounting
    • Protection Rating IP67
    • Housing Material Aluminum alloy / Stainless steel
    • Communication Interface 4–20 mA / HART / RS485 / TTL
    • User Interface 128×64 LCD display with 4-button keypad, PC software, HART communicator, or Bluetooth
    • Certifications CNEX Explosion-proof Certificate
    • Weight Approx. 1.8 kg
    • Dimensions (L × W × H) 123 × 101 × 255 mm
    Structure Diagram
    Structure Diagram
    Features
    • Self-developed chipSelf-developed chip
    • High measurement accuracy (±1 mm)High measurement accuracy (±1 mm)
    • Small blind zone (2 cm)Small blind zone (2 cm)
    • Bluetooth connectivity and remote configurationBluetooth connectivity and remote configuration
    • Narrow beam angle (3°/8°)Narrow beam angle (3°/8°)
    Antenna Type
    111
    • Material: 304 stainless steel + PTFE
    • Installation: G3.5 threaded connection
    • Features: Suitable for measuring liquids or solids in tanks with agitation
    111
    • Material: 304 stainless steel + PTFE
    • Installation: G1½ threaded connection
    • Features: Designed for level measurement of liquids and solids in mixing containers
    111
    • Material: 304 stainless steel with PTFE coating
    • Connection: Flange type (DN50 / DN65)
    • Details: G1½ threaded antenna suitable for high-temperature liquid measurement up to 200 °C
    111
    • Material: 304 stainless steel + PTFE
    • Installation: Flange type, DN50 / DN65
    • Features: G3½ threaded transparent antenna, suitable for liquid and solid level measurement in stirred tanks.
    111
    • Material: 304 stainless steel with PTFE coating
    • Installation: Flange type (DN80, DN100, DN120, DN200)
    • Features: 3½-inch transparent antenna suitable for powder and bulk solid measurement
    111
    • Material: 316L stainless steel with PTFE coating
    • Installation: Flange type (DN50, DN65)
    • Features: Corrosion-resistant structure for reliable operation in chemical environments
    111
    • Material: 316L stainless steel with PTFE coating
    • Installation: Flange type (DN80, DN100, DN150)
    • Features: 3½-inch transparent antenna with high-temperature and corrosion-resistant design
    111
    • Material: Full PTFE construction
    • Installation: Flange type (DN50, DN80, DN100, DN125)
    • Features: 3½-inch fully corrosion-resistant PTFE antenna designed for aggressive or reactive media
    111
    • Material: PP
    • Installation: Clamp ring
    • Features: 3½-inch antenna suitable for measuring corrosive liquids
    111
    • Material: 316L stainless steel with PTFE coating
    • Installation: Clamp type
    • Features: 1.5-inch antenna for standard-temperature applications
    111
    • Material: 316L stainless steel with PTFE coating
    • Installation: Sanitary clamp type
    • Features: 1.5-inch antenna designed for high-temperature operation
    111
    • Material: 304 stainless steel with glass
    • Installation: Flange type (DN80, DN100)
    • Features: High-temperature antenna suitable for demanding industrial environments
    Optional Products
    Industrial tank-side level display, GPB80

    Industrial tank-side level display
    GPB80

    Non-Contacting Radar Level Measurement Module

    Non-Contacting Radar Level Measurement Module
    Videos
    Assembly of Non-Contacting Radar Level Transmitter
    Assembly of Non-Contacting Radar Level Transmitter
    Calibration of 80GHz Millimeter Wave Radar Level Transmitter
    Calibration of 80GHz Millimeter Wave Radar Level Transmitter
    Applications
    Steel Industry

    Steel Industry
    Used for measuring materials in extreme conditions like high temperatures and pressure, including molten metal levels during production.

    Chemical Industry

    Chemical Industry
    Suitable for both liquids and solids. It helps monitor level and height changes in different materials used in chemical processing.

    Energy Industry

    Energy Industry
    Ideal for measuring high-temperature fuels or materials in energy production, maintaining stable readings even under harsh operating environments.

    Petroleum Industry

    Petroleum Industry
    Works well with tanks containing stirred, corrosive, or vapor-rich liquids. It can measure crude oil levels accurately, even through foam, vapor, or floating roof layers.

    Food Industry

    Food Industry
    Used for liquids and solids stored under normal temperature and pressure. It handles mild vapor or corrosion and fits small-capacity tanks for measuring ingredients or storage levels.

    Feed Industry

    Feed Industry
    Applies to solid grains and powders, helping measure raw materials and control the addition of liquid ingredients during feed processing.

    Cement Industry

    Cement Industry (slurry and liquid processes)
    Used in applications involving agitation, corrosive liquids, or steam at medium temperature and pressure. Suitable for measuring the level of high-temperature materials and cement slurry in storage tanks.

    Pharmaceutical Industry

    Pharmaceutical Industry
    Suitable for mixing tanks with vapor, pressure, or mildly corrosive liquids. It measures both liquid and powder materials accurately during production.
      1. Non-Contacting Radar Level Measurement Module
      2. Non-Contacting Radar Level Measurement Module
        Frequency Range
        76 – 81 GHz millimeter-wave radar
        Process Temperature
        −40 °C to +85 °C / up to +200 °C
      3. The 80GHz millimeter-wave radar module is a key part used in non-contact level transmitters to measure liquids and solids with high precision. It works well even in demanding environments like steam, agitation, or dusty conditions.
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    Other Radar Sensors

    Millimeter-wave radar level transmitters are used for precise, non-contact level measurement, even in tough conditions like dusty areas, high temperatures, humidity, or corrosive environments. They’re designed to stay precise and reliable, even when operating in tough or changing conditions.

    They can be installed in several ways depending on the setup, through threaded or flange connections of different sizes, or with clamp and ring mounts when needed. It’s a flexible design that makes installation easier and allows the transmitters to adapt well to different setups, like tanks, pipelines, or process systems.

    Non-contacting radar level transmitters can be equipped with antennas made of 316L stainless steel with PTFE coating, fully corrosion-resistant PTFE, or PP material, ensuring safe and stable operation in chemical and pharmaceutical environments.