The usage is similar to ammeter

Connected in series

Show the current direction with positive or negative value

Measure the voltage magnitude and direction between two points of the circuit 

The usage is similar to voltammeter

Click the button for range adjustment

Long-press the button to zero the sensor

The usage is similar to voltammeter

The AC current sensor is used to measure the effective value(i. e. root mean square, RMS) of AC current, and supports three working modes: wired communication with data logger, wireless communication and independent data display.