The AHVL500 is powered by a venturi vacuum generator, which needs a source of compressed air in order to function, but requires no electricity. The vacuum generator has no moving parts and therefore no lubrication is required.
Features :
Adjustable vacuum pads
Attach/release materials with an ON/OFF slide valve
Acoustic alarm system independently powered by a small 9V rechargeable battery
Vacuum gauge for a visual warning of low vacuum