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  • 292017-08
    80x38mm waterproof fan DAW8038M24B

    Model: DAW8038M24B,Voltage: VDC 24V,Current: 0.19 Amp,Speed: 4500rpm/min.Waterproof Level: IP68,If you need detailed datasheet,please contact with us directly: sales@tenkai-group.com Come back to home page. …

  • 232017-08
    Alarm output introduction(RD output)

    RD (Alarm output) connection Diagram Some fan have RD extra function.There is a alarm signal output when fan stop work.Please notice there are Two kinds of signal output. Different customer will need different alarm type.Please check the diagram below. …

  • 232017-08
    tach output introduction(FG signal)

    tach output introduction(FG signal) Fan with FG function will creat a square wave output.You can know fan speed by sensing the output wave frequency.Most dc fan have four pole.So when fan run for one round,there will be two high level pulse. About other Multipole brushless fan,high level pulse will be different. But please …

  • 212017-08
    PWM FUNCTION INTRODUCTION

    PWM FUNCTION INTRODUCTION This paper introduces the connection mode of PWM function, control mode, the information signal Connection diagram PWM (DC Voltage control) Introduction With this function,the speed can be controlled by applying an extro DC voltage signal.This voltage inputVin may have any value from 0V to 10V(0V~5…

  • 202017-08
    Operating Principle of BLDC

    Operating Principle of brushless motor 1.Structure and basic working principles of BLDC BLDC is a kind of synchronous motor, which means that its stator generates magnetic field and the magnetic field generated by the rotor is the same frequency, so BLDC will not generate the frequency difference of ordinary induction motor…

  • 182017-08
    waterproof level

    Waterproof level introduction Customer have a inquiry with us,whats the waterproof level,how to confirm what kinds of level they need? waterproof level symbol is IPXY,X means dust proof level,Y means waterproof level,X value can be 0~6,Y value can be 0~8,exact meaning: IPX8 Dust proof level Defensible dust particles size 0 …

  • 172017-08
    The difference between sleeve bearing and ball bearing

    The difference between sleeve bearing and ball bearing 1.Price: ball bearing is expensive than sleeve bearing;2.life time: life time of ball bearing is most twice longer than sleeve bearing fan;3.High temperature resistance: ball bearing can work in high temperature in the long term,but sleeve bearing fan cannt;4.Initial no…

  • 142017-08
    waterproof fan technology

    Almost there are two kinds of waterproof level fan,IP55 and IP68. IP55 fan cannt work in water. There is a normal insulating layer around fan motor. IP68 fan can work in high humidity envirment. There are two kinds of IP68 waterproof way.One is PVD with coating film.Another is plastic cover.You can know more via waterproof …

  • 112017-08
    New website of tkfan

    Customers, colleagues, suppliers, and colleagues of tkfan,thanks for your support in thelong time.In order to show the products performance, tooling details such as size preferably, our company completed the old website redesign. The users can download catalogue quickly through our new website. Hope we can do better in the …

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