Home > Velleman > Metal Detector Velleman Soldering Kit K7102
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Description   All Sales Final, No Returns, No Warranty Metal Detector Velleman Soldering Kit To come up against an electric cable while drilling a hole in a wall can have catastrophic consequences. Likewise, drilling into gas, water pipes or central heating pipes can be extremely hazardous. With a handy metal detector it can now be determined beforehand whether there are metal objects to be found in a wall, ceiling or floor. An LED indicates if a metal object is in the vicinity. If an audio signal is also desired, space has been provided on the PCB for buzzer type SV4/12-S to be connected. The PCB has been specially constructed to fit entirely into to the separately available box type G407. avoid disasters when drilling holes in walls locate pipes, cables, metal studs, … great project for novices your own unique application push button operation Specifications: metal detecting distance adjustable: up to 3.15" power supply: 9V battery (not incl.) LED indication 12VDC-buzzer connection (buzzer not included) dimensions: 2.2" x 2.5" Extras Hints If you experience difficulties with the calibration of the unit (ie if the LED doesn't turn off, when there isn't any metal present ), replace C1 with a ceramic 1.2nF (122) capacitor. This behaviour is due to a spread on the component values and differences created when winding the coils. For those wanting an audible signal, space is provided on the print for connecting a buzzer type SV4/12-S. The small PCB has been specially designed to be incorporated into the separately available casing type G407. All items are single pieces unless otherwise noted

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