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 to detect all ferrous and non-ferrous metal. It is provided with lockable single set control knob for initial setting. This detector has bar graph display, which shows real time signal level strength. This detector comes with following key features:
High `q` tuned resonant circuit
Linear sensitivity control knob for precise setting at desired levels
Three level visual indication of metal detection through 10mm led
Audio alarm through piezo-electric transducer with volume control on detection
Arch shaped door frame made of water proof plywood.
4 digit algebric counter for automatic counting of the number of persons
Built-in rechargeable battery with charger
