The VB69021 is a digital vacuum tester with a 5/16" connection.
It is a compact and user-friendly vacuum ether and has an electronic paper display that is easy to read even in direct sunlight
It has a wide measuring range, gives a visual signal when the desired vacuum level is reached
The easy-to-clean vacuum sensor is capable of positive pressure up to 31 bar and displays vacuum in different units (micron, millibar, Torr and Pascal).