The DZS VSD+ Overview
Introducing the DZS VSD+, a new range of intelligent dry claw vacuum pumps with integrated VSD+ technology. Perfect for rough vacuum applications, this family of pumps is able to operate at peak vacuum level without overheating. Combine this pump’s extremely low maintenance and small footprint with its intelligent VSD+ inverter drive, and you have one of the smartest and most durable vacuum pumps on the market today!

Source: Compressed Air Blog