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DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module
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  • DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module
  • DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module
  • DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module
  • DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module
  • DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module
  • DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module
  • DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module

DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module

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  • CN US$4.15
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DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module 4.15 (90)
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Feature:

Supply voltage: 3-5V
Dimensions: 66 x 61MM
Maximum measure range: 5CM (Best measure range: 1 CM - 2 CM)

DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module

Principle explanation:
 
Q1, L1, L2, C2, C3, R1, W composed of high-frequency oscillation circuit, adjustment potentiometer W, you can change the oscillation stage gain, the oscillator oscillating in a critical state, that is just the oscillator start-up. Q2, Q3 when the composition of the measure circuit, the circuit normally oscillate voltage AC voltage exceeds 0.6V, Q2 will be in the negative half cycle of conducting the C4 discharge short circuit, resulting in Q3 ends; when it measure metal objects near the coil L1, will be metal conductor eddy current is generated, the oscillation circuit of the energy loss increases, positive feedback weakened in the critical state of the oscillator weakened, if not impossible to maintain the minimum required energy oscillations and to stop, so Q2 is turned off, R2 to C4 charge, Q3 is turned on, pushing the buzzer sounds. According to whether the sound, you can determine whether the measure coil underneath the metal object.

Note:

If you need longer measure range and higher sensitivity, please create their own search coil, search coil diameter of the larger suppliers will be farther away from the probe

Package included:

1 x DIY Metal Measure Kit 


DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module

DIY Metal Measure Kit Treasure Hunting Instrument Security Apparatus Stick Module

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Total Estimated Delivery Time
The total delivery time is calculated from the time your order is placed until the time it is delivered to you. Total delivery time is broken down into processing time and shipping time.
Processing time: The time it takes to prepare your item(s) to ship from our warehouse. This includes preparing your items, performing quality checks, and packing for shipment.
Shipping time: The time for your item(s) to travel from our warehouse to your destination.
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Shipping From Chinese Warehouse:
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Shipping method(s) Shipping time Tracking number
*Expedited shipping can not be used for PO Box addresses
Shipping From EU, USA and AU Local Warehouses:
EU Warehouses UK 3-6 business days
Other EU countries 7-10 business days
USA Warehouse USA 3-6 business days
Other American countries 7-10 business days
AU Warehouse Australia 5-8 business days
*Shipping from your local warehouse is significantly faster. Some charges may apply.
Note:
(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.
(2) Business days do not include Saturday/Sunday and any public holidays.
(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.
(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

Payment methods

We support the following payment methods.Click for more information if you are confused about how to pay.
*We currently offer COD payments only for Saudi Arabia, and the United Arab Emirates. We will send a confirmation code to your mobile phone to verify that your contact details are correct. Please ensure you follow all the instructions contained in the message.
*Paying with Installment (credit card) or Boleto Bancário is only available for orders with shipping addresses in Brazil.

This warranty and return policy are only available for the sub categories of Arduino Compatible SCM & DIY Kits, 3D Printer & Supplies, Electronic Accessories & Gadgets.

Within 180 days

If there are any product quality problems which are not caused by artificial factors such as dis-assembly, misuse, drops or falls, water damage, unofficial firmwares, software modifications or any others causes of damage, we will cover the return shipping fees based on the shipping receipt you will provide only if these charges are worth less than US$40. 

If the damage is related to the screen, this situation should not be considered to be included in the scope of this warranty.

If the damage is caused by you, and isn't related to any product quality problem, you're still able to send it back for repairing. However, you are responsible for paying the return shipping fees and the repair fees. If there any further costs occur during the return or repair process, we will ask you to take responsibility for those as well.

We will send you a bill showing all the charges we have to pay before sending it back to you.

After 180 days from shipment

All warranty requests will be rejected after 180 days from shipment.(3D printers and ebook readers have a warranty term of 1 year)

Return Policy

DOA (Dead on arrival) items

If the product (except for DIY kits) has arrived broken, please contact us within 3 days from the day you received it and then follow the 3 Days Product Guarantee.

About unsatisfactory products

If you are not satisfied with your purchase, you can return it within 3 days from its delivery date to receive a refund of your purchase minus the shipping fees or an exchange. You will have to pay the shipping fees both ways if the reason is not related to our mistake. Please ensure to return the item with its original packaging and in the same conditions in which you received it.

3D printer problem

If your 3D printer turns out to be defective, please provide us with the following info:

  • Product ID number;
  • Order number;
  • Some photos, a video or a screenshot of the problem;
  • Description of the problem;

Your 3D Printer still works correctly:

There are lots of parts included in the package. If any parts have arrived damaged, please contact us to resend you those parts. If you're able to buy them in your country, please let us know and we will refund you the cost.

Your 3D Printer isn't working correctly:

Within the first year after purchasing, we offer free maintenance in case of quality problems (except for damage caused by incorrect use of the device. Please note that in case the damage is caused by using the machine, freight for repairing the device is required.

If quality problems occur within 45 days after receiving it, it is possible to get you a new machine.

If you dislike the item, you're free to send it back within 3 days after receiving it for a refund. You will be responsible for the shipping costs, and need to ensure that the returned product isn't damaged in any single way, and includes all original items in good condition.

E-Book reader problem

If your e-reader is not working correctly, please send us the following info:

  • Product ID number;
  • Order number;
  • Some photos, a video or a screenshot of the problem;
  • Description of the problem;

Within one year of free maintenance of quality problems (except for screen damage), except for personal damage (such as personal damage maintenance is required to bear the freight).

Products with quality problems declared to us within 45 days after delivery can be exchanged for a new device (except cases of personal damage and any screen related problem).

Screen damage is considered as personal damage. Customers are responsible for the maintenance (screen change) fee and bear the freight.

As e-readers are high value products, it is recommended that customers have a certain knowledge about the use of e-raders. If this product isn't what you expected, feel free to send it back to us according to the terms written down in the 'Unsatisfied with product' section above.

Notes:

  • 1. Please read the descriptions carefully and clearly before purchasing. If the descriptions are not clear enough, please feel free to contact us.
  • 2. This category (Arduino SCM & 3D Printer Acc) includes many DIY kits, and we can not assist you completely in case the damage is caused by incorrect welding, construction, or any other circuit issues.
  • 3. If you find the product is damaged, please do not disassemble it yourself (such as e-books, programmers, signal logic analyzers and other pre-built items), since this may affect your return request.
Reviews
  • 5 Star84 (93.3%)
  • 4 Star5 (5.6%)
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  • 1 Star1 (1.1%)
  • All(90)
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  • Een extreem goedkope leidingdetector

    By:jeever 2018-02-09 08:13:29
  • Het lijkt zo mooi. Een bouwpakketje dat slechts € 3,03 kost en waarmee u metalen leidingen in uw muren kunt opsporen. Immers, voor een leidingdetector van Brennenstuhl moet u een sappige twintig euro neertellen. Maar doet dit Chinese apparaatje ook wat de maker belooft? De prestaties van dit bouwpakketje vielen ons een beetje tegen. Weliswaar doet het geteste exemplaar ongeveer wat de fabrikant belooft, maar de vraag is of er in de praktijk handig mee te werken valt. Als u de door de fabrikant gespecificeerde reikwijdte van 5,0 cm wilt evenaren, moet u het apparaatje zó gevoelig instellen dat het incidenteel ook wel zonder metaal in de buurt gaat piepen. Dat feit doet uiteraard een zware aanslag op de betrouwbaarheid van deze leidingdetector. Read moreHide
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  • Een mooi bouwpakketje met iets te klein bereik

    By:jeever 2018-02-09 04:22:57
  • De geleverde print ziet er pico bello uit: tweezijdig, doorgemetaliseerde gaatjes, componentenopdruk en aan weerszijden een soldeermasker. Ook aan de onderdelen mankeert niets. De twee spoelen zijn aan weerszijden van het printje uitgevoerd als 'printed coil', wat een uitstekende manier is om uiterst stabiele spoelen te verkrijgen. Het doosje zélf wordt de behuizing van het apparaatje. U moet alleen twee 1,5 V batterijen van het type AA kopen om de schakeling te voeden met 3,0 V. Er wordt één velletje papier meegeleverd waarop de bouw wordt beschreven, helaas alleen in het Chinees. De fabrikant geeft in de specificaties een maximaal bereik van vijf centimeter aan. Helaas hebben wij dat in de praktijk nooit gehaald. Wij hebben het kastje met de bodem op een houten tafelblad gelegd en onder het tafelblad een stuk koperen waterleidingsbuis bevestigd met twee lijmklemmen. Door het kastje over het tafelblad heen en weer te schuiven kan dan gemakkelijk het bereik worden vastgesteld. Door middel van dunne plaatjes hout hebben wij de afstand tussen de onderzijde van het tafelblad en de bovenzijde van de koperen pijp per twee millimeter opgevoerd om de maximale reikwijdte te bepalen. Zelfs bij de meest fijnzinnige afregeling van de instelpotentiometer kwamen wij niet verder dan een bereik van 4,2 cm tussen de bodem van het kastje en de bovenzijde van de koperen waterleidingsbuis onder het tafelblad. En in deze extreem gevoelige stand ging het apparaatje incidenteel vanzelf piepen zonder metaal in de buurt. Read moreHide
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  • Metall-Detektor

    By:Otti62 2018-05-16 08:13:31
  • sehr guter und günstiger Bausatz !!!
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  • metal d l kigghiun

    By:Geeno93 2018-04-15 02:04:45
  • nan serv a nud però je bell vdaj l criatur sciaquà p sta strunzat
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