亚洲日韩中文在线精品第一-国产成人欧美亚洲日韩电影-国产成人不卡av在线观看-欧美精品亚洲日韩aⅴ

■Both the audible alarm and LED lights alarm  to ensure the accuracy sorting material.
■Alarm threshold 0.1ohm.cm, 0.5ohm.cm, 1.0 ohm.cm, below the set threshold, then alarm.