The Druck PV211-HA is a lightweight, high quality combined pressure and vacuum hand pump. The PV211-HA is designed to provide maximum pneumatic pressures efficiently and effortlessly. The PV211-HA can be used as a portable pressure comparator in conjunction with various pressure indicating devices (available separately). This precision unit also features an adjustable over pressure protection system as standard. The PV211-HA is supplied with a carrying case, flexible hose, and an adaptor set.