This is a very popularization clamp meter, which is to maintain power and low-voltage electrical equipment essential tool.
Measurement Method: Dual slope integration technical Reading Rate: 3 reading/ Sec Polarity: Automatic, indicator minus. assumed plus Overload Indication: Blanking of all digits. except MSD. decimat point and sign. appropriate Power Requirements: 9V battery (Not included) Battery Life: Up to 200 hours typical with Alkaline, up to 200 hours typical with Zinc carbon Battery Indication: Display indicates LD BAT when approximately 20% of battery life remains Display: LCD. 3-1/2 digital (1999 count) 0.5" high