35 meters depth underground gold treasure metal the underground gold treasure metal detector with 35 meters depth has good ability of wide detecting scope accurate orientation good discrimination ability easy operation and so on it also has the function of distinguishing ferrous and nonferrous metal it is mainly used for detecting and identifying underground metals and it can be used for security inspection public security organs

metal detector using a 2 pulse induction coil a block diagram of the circuit can be seen in figure 2 figure 2 – block diagram of the pulse 1 metal detector the basic design of the metal detector consists of four parts as seen above these are • the power supply four ic’s • the pulse generation circuit four 555’s and coil

pdf design and analysis of pulse induction underground consequently underground test results indicated that the designed pulse induction metal detector was capable of detecting ferrous and nonferrous metal at very good penetration depth at 31 cm

underground cable fault detector electrosal the objective of this project is to determine the distance of underground cable fault from base station in kilometers using a pic microcontroller the underground cable system is a common practice followed in many urban areas while a fault occurs for some reason at that time the repairing process related to that particular cable is difficult due to not knowing the exact location of the

metal detector circuit diagrams and projects nov 10 2009 · metal detector circuit diagrams and projects note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy some circuits would be illegal to operate in most countries and others are dangerous to construct and should not be attempted by the inexperienced

long range locator for gold metal detectors for gold metal detector circuits building a metal detector best metal detectors complete circuit diagram of metal detector plans principles of operation and characteristics of metal detectors simple metal detector works by “frequency beating ” it consists of two generators set of very close frequencies long range locator for gold

metal detector circuit with diagram and schematic a simple metal detector circuit diagram and schematic using a single transistor and a radio this metal detectorsensor project is easy to make and is an application of colpitts oscillator i need to build a metal detector which can find metal gold coins at a depth of 05m 02m depth 05m in rock stone

metal detector circuit diagram and working jul 31 2017 · the main disadvantage of this metal detector circuit is the range of detection the metal object has to be at a distance of 10mm for the detector to detect it applications this simple metal detector can be used to identify metals like iron gold silver etc

homemade gold detector circuit diy metal detector camera and light waterproof diy diy metal detector camera and light waterproof diy with a number of tools and materials at hand it is necessary to explore and test a number of electronic circuits in order to choose the one that will actually work