DROK Digital AC200A Ammeter Ampere meter Amp Testing Meter Blue Backlight LCD Panel Display Measuring range: AC 0-200a(built-in sensor transformer) Display: 4 LCD digital tube, Blue backlight This Item is high accuracy, Stable, reliable, low power consumption and small Size Widely used in substation automation, distribution automation, testing equipment Mainly used for measuring real-time AC current of the electric lines