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  • Drok
    Keymaster
    February 11, 2018 at 9:17 am
    Post count: 2971
    in reply to: manuals for your product #29457

    Hello Diego,
    We have attached instruction on Amazon product page. Here is the link to it.200219
    Best regards.

    Drok
    Keymaster
    January 26, 2018 at 9:41 am
    Post count: 2971
    in reply to: Circuit Diagram LM2596 #29414

    Hello Brian Tristam,
    Thanks for your reply.
    We are not sure if it should be 090029. We can’t find out any items with 0900209.
    And 090029 is a buck converter instead of buck boost converter.We sugges it should protect converter and your route separately, so it is better add fuse before and after converter.
    Best regards.

    Drok
    Keymaster
    January 24, 2018 at 9:25 am
    Post count: 2971
    in reply to: Circuit Diagram LM2596 #29367

    Hello Brian Tristam，
    Thanks for writing.
    As we have svereal kinds of buck boost converter,we are sorry we can’t ensure the item you bought.Could you please send us the product link or ASIN number?
    Best regards.

    Drok
    Keymaster
    January 23, 2018 at 10:01 am
    Post count: 2971
    in reply to: DROK AC 100-300V 100A Digital Voltage Current Multimeter #29264

    Hello Richard C Scott,
    Thanks for writing in.
    Would you please let us know do you need AC or DC meter?
    Best regards.

    Drok
    Keymaster
    January 23, 2018 at 8:24 am
    Post count: 2971
    in reply to: What is the second pot for? #29255

    Hello Deibner,
    Thanks for writing in.
    The other potentiometer has lead.That is to say it don’t need to be fixed on item.
    As the picture show, you can pull the white connector and then plug the connector of 5k pot.
    200218 pot
    Best regars.

    Drok
    Keymaster
    January 22, 2018 at 10:16 am
    Post count: 2971
    in reply to: DROK Panel Meter Measurement Limits #29198

    Hello Paul Cuda，
    Please can you confirm if it is this item? #200219
    https://www.amazon.com/dp/B01MZIAJI0
    Best regards

    Drok
    Keymaster
    January 22, 2018 at 10:12 am
    Post count: 2971
    in reply to: Wiring for DROK DC 0-120V 0-100A Digital Multimeter #29196

    Hello Hicham,
    Thanks for writing in.
    All of connection should be based on the following diagram>
    200193
    About bi-directional, this meter can read bi-directional current, but every time it can only read one direction. In charging mode, current reading has”-” sign.
    As for your last questins, we are sorry we can’t ensure what you means, could you please tell us more details?
    Best regards

    Drok
    Keymaster
    January 21, 2018 at 10:10 am
    Post count: 2971
    in reply to: Voltmeter DC 4.5v-30v / Ammeter 0-50A (100174) #29163

    Hello Drew Stevens,
    Thanks for writing in.
    About wiring, is it convenient to take some pictures or draw a simple diagram to let us check for you?
    Best regards.

    Drok
    Keymaster
    January 19, 2018 at 10:04 am
    Post count: 2971
    in reply to: Need instructions for Drok QS-1212CBA-150W (product #160934220 #29113

    Hello Kendle Kay,
    Thanks for your business.
    We can’t ensure the item you bought. Would you please send us the product link or ASIN number？
    Best regards.

    Drok
    Keymaster
    January 19, 2018 at 9:58 am
    Post count: 2971
    in reply to: DROK 4-20mA Signal Generator, DC 12-30V #29111

    Hello Gary,
    Thanks for your business.
    This it for 4-20ma output. It can’t offer 0-10V analogue output.
    Best regards.

    Drok
    Keymaster
    January 16, 2018 at 10:10 am
    Post count: 2971
    in reply to: DROK 0.28" High Accuracy Voltage Ammeter #29056

    Hello Tom Hogevoll,
    Are you sure the item in the product link is the one you mean?
    But our meter can only measure positive voltage and positive current.
    Best regards.

    Drok
    Keymaster
    January 16, 2018 at 8:39 am
    Post count: 2971
    in reply to: Rohs compliance #29055

    Hello Justin Prickel,
    The process of the application is complicated for us. So related certifications are still pending. We are sorry for inconvenience caused on you.
    Best regards.

    Drok
    Keymaster
    January 12, 2018 at 7:37 am
    Post count: 2971
    in reply to: Le schéma reçu n'ait pas suffisant. #28972

    bonjour
    pourriez – vous confirmer si c’est ce point?100177
    et c’est quoi le problème de câblage? nous ferons de notre mieux pour vous aider.
    meilleures salutations

    Hello
    Would you please confirm whether it is this item? 100177
    And what is the problem on wiring? we will try our best to help you.
    best regards

    Drok
    Keymaster
    January 11, 2018 at 9:07 am
    Post count: 2971
    in reply to: Timer SKU-200202 #28939

    Hello Peter,
    After seting, did you keep press “SET” button for 2 seconds then release it?
    Best regards.

    Drok
    Keymaster
    January 10, 2018 at 9:58 am
    Post count: 2971
    in reply to: Drok 900 Watt 15 amp boost converter #28881

    Hello Edward Phillips,
    Thanks for writing in.
    Is it this item? 200150
    Coul you please tell us what the problem is? What are you going to use it for? And what is the input/output parameters?
    Best regards.

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