Handheld Model M2 Smart offers 11 selectable user units as well as 1- or 5-point field recalibration for zero, span, and linearity. Ranges handle gauge, differential, absolute, or vacuum pressure. Device has min/max feature to capture varying pressure signal extremes and provides leak test and flow functions. Meter suits field applications with 6.5 x 3.6 x 2.25 in. polycarbonate enclosure and accuracy to serve as pressure reference standard.