Digitals india pvt ltd offers a wide range of metal detectors. As part of that the company provides sentry 03 walk through metal detector, which is specially developed for detecting all ferrous and non ferrous metals. This metal detector comes with following features:
High `q` tuned resonant circuit
Lockable single set control knob for initial setting
Linear sensitivity control knob for precise setting at desired levels
Three level visual indication of metal detection through 10mm led
Bar graph display shows real time signal level strength
Audio alarm through piezo-electric transducer with volume control
In built control unit
