ETCR7100D Super Larger Caliber DC/AC Clamp Current Meter is specially designed and manufactured for on-line measuring AC current below 600V. The meter adopt CT and digital integration technology, the clamp jaw without any bare metal conductor, non-contact measurement to ensure operation safety. The meter with super large size caliber, which convenient to clamp and test the thick wires. It is widely used in electric power, communication, meteorology, railway, oil field, construction, measurement, scientific research and teaching units, industrial and mining enterprises and other fields，which is an essential tool for electrical safety inspection.

 The meter with the functions of peak hold, data hold and data storage etc., and equipped with USB interface, communication cable and monitoring software. It can real time monitoring and query history online via the computer, and display dynamically, has the historical data reading, saves, prints and other functions.