Diy metal detector

Description: Recommended power supply: 3V Cut out the six pillars in the matching box when installing so that the board can be closed to the shell, this can enlarge the effective dectecting distance. Diagram: Note: Battery is not included. Package included: 1 x Metal Detector Kit

Description MDS-60 DIY Metal Detector Module This small do-it-yourself metal detector kit is the perfect way to learn basic soldering while creating a small, fully functional metal detector. This metal detector module works within a 60mm radius of the object being detected. Quick Spec Operating voltage: DC 3-5V Operating current: Standby current: Detection depth: Detection and alarm mode: Sound and Light Circuit size: 86 x 61 mm Resources Assembly Instructions More Products View More Products

Feature: Supply voltage: 3-5V Dimensions: 66 x 61MM Maximum detection range: 5CM (Best detection range: 1 CM - 2 CM) 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 detection 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 detects 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 detection coil underneath the metal object. Note: If you need longer detection 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: 5 x DIY Metal Detector Kit 

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The MD-3010II Treasure Hunter is a powerful and versatile metal detector so you can hunt for coins, relics, jewelry, gold, and silver just about anywhere. DETECT ALL TYPES OF METAL The MD-3010II Treasure Hunter is a fully automatic metal detector that will pick up all types of metals. There is an option to ignore unwanted targets to eliminate them from your search and the LCD display can help you identify the objects so you can avoid digging up worthless objects. The Search coil is waterproof so you can even expand your search to include shallow water UNIQUE TARGET IDENTIFICATION SETTINGS You can set a unique tone for a desired target so as help identify hidden treasures and differentiate it from useless junk. The stem houses the cable from the coil to the LCD display so there is no slack wire to get entangled on vegetation and being fully adjustable you can find the best length for your arm so the padded armrest and Velcro strap sit comfortably and remove stain from your hand and wrist. There is a jack to plug in stereo or mono headphones and a volume control settings to adjust the audio output.  This product is in stock now, we guarantee next working day shipping and offer a 12 months warranty on all our products. Brought to you by the leader in electronic devices and wholesale gadgets, gadgetsolutionsonline.co.za. 

The Super Scanner is a high performance Metal Detector designed to meet the exact needs of the security industry. Typical uses will include body search for weapons in crowd control, airport and border security, checking parcels and letters for metal objects or anywhere where hidden metals may be found. Features: 9 V Battery (Not Included)   NOTE: WE CAN SHIP VIA COURIER ASWELL, PLEASE ASK FOR A QUOTE. 

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I am selling my metal detector, I got it as a birthday gift, used it once in the garden, but haven't gotten around to using it since. It's virtually new. Will give the bag and headphones for free, if taken this weekend. It's in emulate condition, and had a waterproof search coil. Price is negotiable.

fisher cz-21 quick silver metal detector. waterproof to a depth of 75m excellent condition with original manual and carry bag. r9500.00 repl...176594063

Nokta Makro Multi Kruzer Metal detector. Comes with standard search coil + spare larger AF28 search coil + headphones, charger and Nokta pinpoiner. R5500.00. Tel / WhatsApp 067 9283484.

View my other listed items, you might find what you looking for at a Bargain!;) Whatsapp/sms/call 079 258 2166 Tel: 031 825 2915 Postal arrangements can be made. I would be willing to look into ANY requests made! Join Our Facebook Page - Like & Share! Electrans Or click on the link below www.facebook.com/electrans.kzn Thank You Description Locates Metals Such as Gold, Silver, Copper, Aluminum, Platinum, Brass and More; Sensitivity Adjustment Control and Earphone Jack to Meet Personal Need;Adjustable Stem With 15.4cm Diameter Lightweight Search Coil. Earphone jackConnect earphone to the detectorAdjustable stemAdjust the detector’s length for comfortable use0.4m Max detecting depth Adjusting knobTighten the knobs just enough to keep the search coil from rotating or wobbling Specifications Coil Diameter: 15.4cmPower:9V battery (6F22)Length: 102cmWeight: about 430g