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  • Author
    Posts
  • Drok
    Keymaster
    April 10, 2017 at 9:08 am
    Post count: 2971
    in reply to: DC Voltage reducer 36V 48V to 12V Step Down #15016

    Hello Val,
    Thank you for writing in.
    We are sorry to hear that.
    Could you please let us know if there is extend wire on this item?
    If not, it may be damaged during shipping or store.
    Could you please tell us your order ID?
    Best regards.

    Drok
    Keymaster
    April 10, 2017 at 9:02 am
    Post count: 2971
    in reply to: dc-dc buck converter 200220 voltage read out wrong #15015

    Hello ken g,
    We are waiting for your picture.
    Have you send it to our service email?
    If it is availabe, a video will be more helpful to show the problem.
    Look forwards to your reply.
    Best regards.

    Drok
    Keymaster
    April 10, 2017 at 8:51 am
    Post count: 2971
    in reply to: SKU-200193 Manual/Wiring Diagram #15014

    Hello Jim French,
    Thank you for your reply.
    This item can monitor the capacity of battery charging and discharging process.
    But we are sorry the capacity is show by icon not percentage。
    Beg for your forgiveness and hope you can understand.
    Best regards.

    Drok
    Keymaster
    April 10, 2017 at 8:37 am
    Post count: 2971
    in reply to: 090482 changing CV to CC #15012

    Hello Tom,
    If you want to set constant current, please adjust CC potentiometer.
    And please notice the constant current will not take effect if the voltage is under 0.8v.
    Best regards.

    Drok
    Keymaster
    April 9, 2017 at 9:56 am
    Post count: 2971
    in reply to: dc-dc buck converter 200220 voltage read out wrong #14932

    Hello ken g,
    Thank you for writing in.
    It’s a pity to hear that.
    Could you please let us know how you set the voltage?
    If you can,we hope you can take some picture to show the wiring and display.
    You can send them to our service email: service#droking dot com ( please replace # with @)
    With you help, we can find solution as soon as possible.
    Best regards.

    Drok
    Keymaster
    April 9, 2017 at 9:39 am
    Post count: 2971
    in reply to: SKU-200193 Manual/Wiring Diagram #14930

    Hello Jim French,
    Thank you for writing in.
    Here is an instruction for your reference.
    in200193
    If you need more help,please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    April 9, 2017 at 9:24 am
    Post count: 2971
    in reply to: 090482 changing CV to CC #14928

    Hello Tom,
    Thank you for writing in.
    Do you mean you want to change constant voltage mode into constant current mode?
    Best regards.

    Drok
    Keymaster
    April 9, 2017 at 9:15 am
    Post count: 2971
    in reply to: DROK LTC1781 100W DC/DC Step Up Converter 3-35V to 3-35V Switching Regulator Con #14927

    Hello Danielle,
    Thank you for your writing in.
    We are willing to offer you any information.
    However we are sorry we can’t offer circuit diagram of item for you.
    Hope you can understand.
    If you need more help, please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    April 9, 2017 at 9:00 am
    Post count: 2971
    in reply to: Drok Time Delay Switch 200202 #14926

    Hello Paul,
    Thank you for writing in.
    We sincerely appreciate your purchase and feel sorry for any inconvenience caused you.
    Here is an instruction for your reference
    200202
    Beg for your forgiveness.
    Best regards.

    Drok
    Keymaster
    April 9, 2017 at 8:32 am
    Post count: 2971
    in reply to: Need wiring diagram for combo DC 100V 10A meter #14923

    Hello Tom,
    Thank you for writing in.
    Do you orderd this one 100016.
    We are sorry this item doesn’t have shunt. Hope you can understand.
    You may need to buy a shunt separately. For 100A meter, the specification of shunt should be 100a/75mv.
    For more question, please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    April 9, 2017 at 8:17 am
    Post count: 2971
    in reply to: Need wiring diagram for combo DC 100V 10A meter #14922

    Hello Roy Lane,
    Thank you for writing in.
    We are sorry for any inconvenience caused you.
    Could you please firstly send the link of item to let us confirm it?
    Beg for your forgiveness and hope you can understand.
    Best regards.

    Drok
    Keymaster
    April 9, 2017 at 8:14 am
    Post count: 2971
    in reply to: 10w Class D amplifier distortion after a few minutes #14921

    Hello Larry Williams,
    Thank you for yoru reply.
    We are sorry we still can’t ensure the item you mention.
    Could you please send us the link of item?
    And to find out the problem origin, could you please offer more information about your operation?
    For example, the wiring, the power supply and other parameters.
    We will try our best to find solution for you at that time.
    Beg for your forgiveness and hope you can understand.
    Best regards.

    Drok
    Keymaster
    April 9, 2017 at 8:09 am
    Post count: 2971
    in reply to: DROK® 600W 12A DC-Boost-Converter Constant Current / Voltage 12-60V #14920

    Hello Harry,
    Thank you for your reply.
    We are glad you have found out the problem.
    Yes,the output voltage can’t be lower than the input voltage.
    For more questions, please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    April 7, 2017 at 7:32 am
    Post count: 2971
    in reply to: XY HI-FI version 1.0 #14803

    Hello Mike Hill,
    Thank you for writing in.
    We are sorry we can’t ensure the item you mention.
    Could you please send us the link of item?
    Look forward to your reply.
    Best regards

    Drok
    Keymaster
    April 7, 2017 at 7:30 am
    Post count: 2971
    in reply to: DC-DC Step down converter / regulator Diode Isolation #14800

    Hello Kyle,
    Thank you for writing in.
    If you need a better protection, it is availabe to add diode on input and output.
    For more question, please feel free to contact us.
    We sincerely appreciate your order and look forward to service you again.
    Best regards.

  • Author
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Viewing 15 posts - 1,876 through 1,890 (of 2,965 total)
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