Will Regulate Pressure From 1 to 30 psig Using Compressed Plant Air (100 psig recommended) and Read Static Pressure Measurements to 100 psig 0.001 psi resolution, 0.035% accuracy Dual digital display psi & mA or voltage Gauge, differential, and vacuum modes Selectable engineering units Pressure switch test Rugged case to withstand factory floor environments > Each Unit Includes Test leads AC adapter/charger Hard shell carrying case Instruction manual NIST Certificate