Scheduled to be used for replacing wiring in the house
On 2018-02-28 11:53:12
There are three levels of sensitivity adjustment,
When used for polarity judgment, alarm sounds both low regardless of non-reaction, medium and high regardless of polarity, it does not become usable.
In non-contact testing,
After a while setting the sensitivity to high, the reaction disappears, there are times when you touch the sensitivity adjustment and return.
Although it is planned to exchange the F line of the house divided in several times, it is scary and can not be used.