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    Photoelectric Liquid Level Sensor, PNP/ NPN

    $83.99
    Photoelectric level sensor is 3 wire or 4 wire optional and NPN/ PNP signal output directly drives the relay. Photoelectric switch is a kind of liquid level controller which detects with infrared ray to avoid inducting wrong action by interference of sun or light. It is easy mounting and can be used in impure or adhesive liquid.
    SKU: ATO-MR-M12
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    Free Shipping Worldwide
    Delivery date: 30-40 Days

    Photoelectric liquid level sensor can be widely applied in water purification, sewage treatment, electrical industry, hydraulic machinery and so on. It provides protection of antipole, overvoltage, short circuit and transient.

    Specification

    Model ATO-MR-M12
    Structure Non-metallic structure
    Type Common type Corrosion resistant type
    Material PA PSF
    Signal Output NPN/ PNP
    Action Mode 3 wire: Not switchable
    4 wire: Light on/ Dark on, Switch by external wire
    Tread Type 1/2 NPT, 3/4-16UNJF, 3/8 NPT, M16*1
    Detected Object Water/ Neutral solution Water/ Neutral solution/ Non-viscous acid-alkaline solution
    Detection Accuracy Less than plus or minus 1mm
    Voltage DC10-30V (including voltage fluctuation 10%)
    Max Current Consumption 10mA
    Load Current below 100mA
    Indicator Action Indicator: Orange
    Protection Circuit Start-up delay, power polarity reverse connection protection;
    self-recovery output short circuit protection, output reverse connection protection
    Response Time 1ms, 0.25ms
    Electrical Life More than 100,000 times (opening and closing frequency: 1800 times/hour)
    Environmental Illumination Incandescent Lamp: 5000lx or less. Sunlight: 80,000lx or less
    Environment Temperature ON: -10~+60℃
    OFF: -20~+70℃
    (with no icing and frosting)
    ON: -20~+80℃
    OFF: -40~+80℃
    (with no icing and frosting)
    Insulation Resistance above 20mΩ (500VDC)
    Protection Level IP67
    Connection Method Lead-out type (wire length 30cm)
    Lead color definition Light on 3 wire: Brown VDC; Blue GND; Black out
    Dark on 3 wire: Brown VDC; Blue GND; Black out
    Mode 4 wire: Brown VDC; Blue GND; Black out; White mode
    Mass (Sensor Only) about 20g
    Accessories Sealing ring, nut

    Dimensions (Units: mm)

    Dimensions of Photoelectric Liquid Level Sensor

    Dimensions of Photoelectric Liquid Level Switch

    Signal Output and Circuit Diagram

    3 Wire

    3 Wire Signal Output and Circuit Diagram Photoelectric Liquid Level Sensor

    4 Wire

    4 Wire Signal Output and Circuit Diagram Photoelectric Liquid Level Sensor

    Mounting Method

    Mounting Method of Photoelectric Liquid Level Sensor

    Applications

    Applications of Photoelectric Liquid Level Sensor

    Tips: What is a photoelectric liquid level sensor?

    In recent years, with the continuous development of electronic technology and automation, liquid level measurement and control technology has been greatly improved. The functions of the photoelectric liquid level sensor are more and more perfect for multiple industries, such as petrochemical industry, metallurgy, electric power, pharmaceutical, water supply and drainage, environmental protection system. All kinds of medium level measurement is inseparable from the liquid level switch. The importance of liquid level sensor is becoming more and more prominent, even directly affects the quality of the products.

    Photoelectric level sensor is a common type of liquid level switch that contains an infrared LED and a photoelectric receiver. The light from the LED is directed into a prism at the top of the sensor. If there is no liquid, the light from the LED is reflected directly from the prism back to the receiver. When a liquid is immersed in a prism, light is refracted into the liquid so that the receiver receives little or no light. The receiver can drive the electrical switch of the internal photoelectric level switch to activate the external alarm or control circuit. The optical level sensor has a very high accuracy and repeatability in the process of monitoring the position of the liquid level. The repeatability is up to ±1mm in the monitoring of the liquid interface.

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