handheld metal detector

الوصف

handheld metal detector MCD****8A is widely used in airports, industrial zones, government buildings, schools, hospitals, meeting places, sports, etc. necessary to carry out safety inspection of all places. Whenever the detected metals, the detector will be issued to the sound reproducing apparatus. Sensitivity sufficient to detect the *5 cents coins. Larger objects measured tone long hair; measured objects shorter hair. In addition, can also be used rechargeable nickel-based batteries as a power supply separated. And charge detector of the machine. (Should be matching dedicated charger) Product features: 1: Red LED display: Press when the light-emitting instructions; 2: drop-min : when pressed, enables the detection of metal detector sensitivity by about *0%. Therefore, may contain a large number of steel bars Floor near the detection, or used only to detect large metal objects. 3: the headphone jack: the results in the detection of a user, I only need to know the circumstances that can be used to insert the headphone jack placement. Technical specifications: Sensitivity: Φ2.0mm Ball Power Supply: 9 volt battery (6F*2ND) Operating frequency: *3KHz Power consumption: **0mW Current job: less than *0mA Operating temperature: **0 ℃ **0 ℃ Net Weight: **0g Size: **0 * *0 * *0mm Packing Size: **0 * **0 * **0mm (*0 support / box) Additional Description: Rechargeable headset and access (sharing a headphone port connector)