Features ·Max measurement 100A & 300V ·Isolated / non-isolated power supply optional ·0.28" LED screen, different color display current and voltage (VA type) ·Option green / red / blue color, 0.56'??screen (Single-function type) ·Less than 10amp do no need external shunts ·Auxiliary power with polarity protection ·With zero potentiometer for calibration.
