With 2 scale ranges (1000 to 0 mbar / 760 to 0 mm Hg), complete with adapter to standard ground joint NS 29 / 32, suitable for work in the rough vacuum range. With 2 scale ranges (1000 to 0 mbar / 760 to 0 mm Hg), complete with adapter to standard ground joint NS 29 / 32, suitable for work in the rough vacuum range.