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    SW-8 water level sensor

    SW series water level sensor is a component designed for checking water level. According to the water level, the product sends oscillation frequency to the appliance’s control board. It depends on the pressure, magnetic field, and electric signal to realize the function.

    Specification

    Model

    SW-9

    Rated voltage

    DC5V±0.1V

     


    Frequency / Water level

    21.40 kHz

    325+20/-40mm

    23.60kHz

    154±5mm

    24.00 kHz

    126±3mm

    24.40kHz

    95±20mm

     

    24.80kHz

    70±30mm

    Initial frequency

    26±0.3 kHz

    0mm

    Insulation resistance

    Insulation resistance between live part and uncharged part ≥100MΩ 



    Environmental test

    High temperature: put the product in(60±2)℃ for 168h, then back to normal temperature for 2h. After that, water level change of each gear is within ±15mm

    Low temperature: put the product in (-20℃±2℃)for 168h, then back to normal temperature for 2h. After that, water level change of each gear is within ±10mm

    Humidity resistance: Put the product in (40℃±2℃, RH90%~95%)for 168h, then dry all water from the product, back to normal temperature for 2h. After that, water level change of each gear is within ±15mm    

    Durability test

    With rated voltage, alternatively test the highest water level and lowest water level, frequency 20 cycles/min, total 50,000 cycles.

    Environment friendly

    Conform to RoHS 2011/65/EU

     


    Working Conditons

    WORKING CONDITONS

     

    Working temperature: -10℃,+50℃                    

    Max altitude: 2500M

    Max humidity: RH95% (+25℃)

    Does not contain flammable, explosive and corrosive gas or steam

    No significant shaking or severe shock and vibration

     

    Diagram


    Curve  



    Dimension



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