... frequency, Modular design, Optimized operation procedure, Greatly improved efficiency of data collection and analysis. Suit for various industrial environmentDustproof, ... be typed in by users, the maximum length of data collection is depend on the balance storage ... LCD, 320x240 pixel,65536color, with backlightBatteryRechargeable Li-ion battery, working Time (Continuous) >8 Hours; charging time: 4 ...