This is the Simple Metal Pipe Detector Circuit Diagram. The metal detector Future is a detection instrument to locate steel pipelines, gas pipes, water pipes as well as voids and cavity under the ground surface. This circuit uses a 15-kHz oscillator coil. When metal placed in the energy field is withdrawn, the oscillator voltage is rectified and compared to a reference. A drop in oscillator voltage therefore operates comparator IC2 and 1)4 (LED) extinguishes.
Simple Metal Pipe Detector Circuit Diagram
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