3164491 Cummins Performance Tools Pressure Vacuum Adapter Multimeter Tool. This service tool pressure/vacuum adapter is used with 3164488
Digital Multimeter or 3164489 Deluxe Digital Multimeter to measure up to
500psi pressure and vacuum to -30in Hg. By using this unit as
specified, it is an excellent way to obtain digital pressure or vacuum
readings in many applications within the range mentioned.
