Fluke-PV350-Pressure-Vacuum-Module-FLUKE-FLUKE-PV350-p-The-Fluke-PV350-measures-gauge-pressure-the-difference-between-atmospheric-barometric-pressure-&-the-pressure-or-vacuum-applied-to-the-pressure-port-on-the-transducer-It-then-converts-that-measurement-to-1m V-dc-per-unit-The-PV350-is-compatible-with-Industrial-gases-&-liquids-that-are-compatible-with-316-stainless-steel-The-DMM-has-to-have-input-impedance-of-10M-Omega-p-Fluke-Pv 350-Pressure-Vacuum-Module