... data, Data Storage: 200 sets. I. IntroductionETCR7000 series of Large Caliber Leakage Clamp Meter is well designed and manufactured for ... the latest CT technology and digital integrated technology. Its large caliber 80mm×80mm can clamp electric cable of 80mm diameter ... dynamic display. With the function of historical data read, preserve, print, and backlight, data hold, etc. It is a necessary tool ...