Security Systems MD-200A Hand-Held Metal Detector

characteristics

characteristics:

Characteristics:

1、 Use cycle-switch to switch sound alarm and hidden vibration alarm respectively

2、 Hight sensitive,detect ferror metal and non-ferror metal

3、 Sound and light alarm simultaneously

4、 Alkaline cell (7V-9V) can work over 40 hours and distance does not change

5、 Warn automatically when short of voltage

Detecting distance:

ferrous metal detection range

Non-ferrous metal detection range

1、1/2pin 10mm

1、aluminum&copper sheet 10

2、model 64 pistol 150mm

2、DIP14 IC(integrate circuit) 5

3、6 inches dagger 150

3、Silver ring 1g 40

4、8mm(diameter) 40

4、Lead brick 1g 30

Operating frequency:

20 Khz

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