GVDA GD113A هوشمند مولتی متر ولتاژ تستر اشکارساز مولتی متر رنگ نمایش غیر تماس الکتریکی قلم دوگانه محدوده زنده سیم تست اهم هرتز NCV متر
The GVDA GD113A Smart multimeter has a pen-shaped design, making it easy to carry around and operate. It features dual sensitivity modes, allowing you to adjust the sensitivity according to the actual scene being used. This helps to avoid wrong judgments and accurately detect whether the product can work normally.