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  • Drok
    Keymaster
    April 26, 2017 at 10:05 am
    Post count: 2971
    in reply to: Looking for a dc volt/amp meter that reads neg and pos dc voltage #16028

    Hello Rob,
    Thank you for your writing in.
    Would you please tell us more details about your requirement?
    For example,the measuring range, power supply and etc.
    Best regards.

    Drok
    Keymaster
    April 26, 2017 at 9:31 am
    Post count: 2971
    in reply to: DROK® Digital Multimeter DC 6.5-100V 100A Not displaying current #16022

    Hello glen groff,
    Thank you for your writing in.
    Do you mean this item?
    https://www.amazon.com/dp/B017BDQHE6?th=1
    We need to ensue the item you mention, then we will find solution for you at that time.
    And could you please take some pictures to show us the whole wiring?
    You can send them to our servic email:
    service#droking dot com ( please replace # with @)
    Best regards.

    Drok
    Keymaster
    April 26, 2017 at 9:13 am
    Post count: 2971
    in reply to: AC 110V-240V switch power supply with battery interface AC-DC 10A #200188_EU #16021

    Hello Matteo,
    Thanks for your reply.
    When charging battery, the red LED flashs.
    Please note, if the charging current is too low， the red LED will not flashs.
    Best regards.

    Drok
    Keymaster
    April 25, 2017 at 9:51 am
    Post count: 2971
    in reply to: Issue with step down voltage converter #15980

    Hello Bryan,
    Thank you for writing in.
    We are sorry for what happened.
    To find out problem accurately, would you please take a video to show us your operation and wiring?
    And please tell us more detail about other parameters, for example, the input current, load and etc.
    Please don’t worry, we will find solution for you as soon as possible.
    You can send them to our email: service#droking dot com ( please replace # with @).
    Best regards.

    Drok
    Keymaster
    April 25, 2017 at 9:34 am
    Post count: 2971
    in reply to: BW-LW6 v3 (LY6-Blue) – Manual? #15979

    Hello Brad,
    Thank you for writing in.
    We are sorry we can’t ensure the item exactly.
    Would you please send us the link o item for conirmation?
    Look forward to your reply.
    Best regards.

    Drok
    Keymaster
    April 25, 2017 at 9:29 am
    Post count: 2971
    in reply to: DROK® Digital Multimeter DC 6.5-100V 100A Not displaying current #15978

    Hello Anthony M，
    We have received your email.
    Best regards.

    Drok
    Keymaster
    April 25, 2017 at 8:11 am
    Post count: 2971
    in reply to: AC 110V-240V switch power supply with battery interface AC-DC 10A #200188_EU #15974

    Hello MAtteo,
    Thank you for writing in.
    To give an accurate answer, would you please tell us which item you mention?
    Is it #200188?
    Look forward to your reply.
    Best regards.

    Drok
    Keymaster
    April 24, 2017 at 8:56 am
    Post count: 2971
    in reply to: DROK® Digital Multimeter DC 6.5-100V 100A Not displaying current #15945

    Hello Anthony M，
    Thanks for writing in.
    We are sorry to heat that.
    To find out solution for you, would you please take some pictures or draw a wiring diagram to show the whole wiring? And please tell us more details about other parameters.
    For example, the input voltage/current, load.
    To contact wiht you on time, you can send them to our email:
    service#droking dot com ( please replace # with @)
    Look forward to your reply.
    Best regards.

    Drok
    Keymaster
    April 24, 2017 at 8:52 am
    Post count: 2971
    in reply to: DC 6-55V to 0-50.00V Adjustable Step Down Buck Converter #15944

    Hello Wolfgang Weitzel,
    Thank you for writing in.
    We think the item you mention should be this one:
    180081
    It’s a pity that CC and CV is depended on load, we can’t switch them at will.
    Hope you can understand.
    Best regards.

    Drok
    Keymaster
    April 23, 2017 at 9:12 am
    Post count: 2971
    in reply to: Manual for 900W NC Regulator #15886

    Hello Jeffrey,
    Thank you for writing in.
    Here is an instruction for your reference.
    200150
    Hope it can help you.
    For any questions, please let us know.
    Best regards.

    Drok
    Keymaster
    April 23, 2017 at 8:59 am
    Post count: 2971
    in reply to: DC Voltage Regulator Index #15883

    Hello Bryan B,
    Thank you for writing in.
    As the core technology was involved, we are sorry our technicians team don’t want to show the circuit schematic diagram in public.
    Sincerly beg for your forgiveness and hope you can understand.
    For more question, plese feel free to contact us.
    Best regards.

    Drok
    Keymaster
    April 21, 2017 at 9:17 am
    Post count: 2971
    in reply to: Digital HiFi Stereo Power Switch doesn't function #15773

    Hello Alan,
    Thank you for writing in.
    We are terribly sorry for inconvenience caused you.
    To solve the problem accurately, is it available for you to take a testing video to show this problem?
    You can send it to our service email: service#droking dot com ( please replace # with @)
    Please don’t worry, we will find solution for you at that time.
    Best regards.

    Drok
    Keymaster
    April 21, 2017 at 8:49 am
    Post count: 2971
    in reply to: Display SKU:090029 #15769

    Hello Francisco,
    Thank you for writing in.
    It’s a pity that all of these items in Amazon warehousewe have display. We are unable to send you ones wihtout display.
    Sincerely beg for your forgiveness and hope you can understand.
    Best regards

    Drok
    Keymaster
    April 21, 2017 at 8:25 am
    Post count: 2971
    in reply to: MPPT 5A Charge Controller: Where can documentation be found? #15767

    Hello Reed White,
    Thank you for writing in.
    Would you please firstly send us the link of item for confirmation?
    We will find solution for you at that time.
    Best regards.

    Drok
    Keymaster
    April 21, 2017 at 8:23 am
    Post count: 2971
    in reply to: Need Manual for DROK® DC 3-21V Load Battery Tester, 35W 3A Portable USB Monitor #15766

    Hello Mark,
    Thank you for writing in.
    After checking the link you sent, we found it is not #200186.
    We think the item you mention should be this one.
    https://www.amazon.com/dp/B01E6YSGPG
    Here is an instruction for your reference.
    200186
    For more question,please feel free to contact us.
    Best regards.

  • Author
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Viewing 15 posts - 1,846 through 1,860 (of 2,965 total)
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