● 4.3" color touch screen with Metro display, EN lanague.

● 8 level adjustable of screen brightness.

● Auto-calibration from 1 to 3 PTS; pH buffer Auto-ID and support self-define.

● Operation manual installed.

● Exceed-limit alarm, screen saver.

● 7" color touch screen with Metro display, EN lanague

● Electrode monitoring

● External electrode holder