1. It can detect kinds of products packed in different sizes — it makes use of the mobile tall sensor;

2. It is suitable for the different packing material l— it uses the high precious magnetic gas sensor, and it is good for the products packed by aluminum foil, plating aluminum and other non-aluminum foil;

3. It is used to detect the high temperature and high density products — it is not affected by the state of the internal filling and the high density salt fluid; and it can detect the high temperature and high density products;

4. The cost of maintain and operation is low — it makes use of the simple economical internal design and the sensing technology of high precious magnetic gas which is developed lately.

5. It can be used and operated conveniently — It is no need to repeat to adjust the machine.

6. There is little environment reference — It is suitable for various of product lines.