这种机器技术简单价格便宜，但是只能检测铁磁性物质，它广泛用在服装制造领域。

This kind of machine technology is simple and cheap, but it can only detect ferromagnetic substances, and it is widely used in the field of clothing manufacturing.

几乎所有服装工厂都使用这种机器，由于服装领域的特殊性，它非常适合于服装。

Almost all clothing factories have this kind of machine, because of the particularity of the clothing field, it is very suitable for clothing.

但是最近这些年它开始被销售到食品工厂。But in recent years it has begun to be sold to food factories.

然而这些工厂通常只有2种测试块：Fe和不锈钢。However, these factories usually only have two types of test piece: Fe and stainless steel.

很显然这里的不锈钢是带有磁性的。 Obviously the stainless steel here is magnetic.

所以这种机器必须进行左中右验证甚至需要根据通道数进行验证。So this kind of machine must carry on the left, middle and right verification even according to the number of channels.

我们直接负责的客户没有这样的机器，但是经常被这样的问题打扰。 The customer we are directly responsible for does not have such a machine, but is often disturbed by such problems.

如果你也遭遇这样的困扰，请质问为什么并保存这个图片。If you also encounter such troubles, please ask why and save this picture.

如果仍然无法解决，你可以随时联系我们，从我们这里几乎可以得到任何应用问题的解答并且让你的机器非同寻常的稳定，甚至完全颠覆你对这个设备的糟糕体验。

If you still can't solve it, you can contact us at any time. From us, you can get answers to almost any application case and make your LOMA Metal Detector and / or any outstanding brand machine unusually stable, and will even completely subvert your bad experience with this machine.

如果你的体验一直很糟糕，那么你可能不知道这台设备其实很复杂，因为有太多因素会干扰它。

If your experience has been bad, then you may not know that this device is actually very complicated because there are too many factors that can interfere with it.