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     Capacitance Type ALN/SL Series

     

        ►Features ALN image
    The capacitance type level switch detects level points of whatever kind of substances (powders, granules, lumps, liquids, pastes, bubbles, etc.). More than 1,000 types of electrode shapes and special circuits are available for various applications.
    • It has high sensitivity and stability.
    • It has excellent mechanical strength and durability.
    • It stably detects even extraneous matter and deposits.
    • It can also be used for highly conductive substances.
    • It can easily detect highly corrosive substances.

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          ►Operating Principles
     

    It measures the capacitance variations between the main electrode and the tank wall or the main electrode and the grounding electrode. As the level rises, the capacitance value increases, and the contact is output when it exceeds the set value.

     

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          ►Standard Specification 
     
    Power Source   105 / 210VAC ±10% 50/60Hz
    Power Consumption   4.5VA
    Contact Capacity   250VAC 10A, 30VDC 10A
    Allowable Temperature   -25℃~+60℃
    Stable Detection Range   1:High Sensitivity   0.5~20pF
      2:Standard Sensitivity  2~50pF
      3:Low Sensitivity   20~1000pF
      4:Ultra Low Sensitivity  5~35Ω
    ON Delay   Max.10 seconds, variable
    Color   Gold
    Enclosure Rating   IP-67

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          ►Product Lineup
      • B1
        Standard Type
        Straight Electrode

      • B1.H1
        Heat-resistant Type,
        Straight Electrode

      • B410.H3
        Ultra Heatproof Type,
        Straight Electrode

      • F27
        Flat Electrode
        with Earthing Electrode

      • P2.17
        Teflon coating Type,
        Flared Straight Electrode

      • L1
        Standard Type
        Pipeline Electrode