FN Low Pressure Sensors provide precise measurements ofoperating pressure in the following ranges: From -0.54 psig to 0.18 psig (-3.75 kPa to 1.25 kPa gauge) From -0.58 psig to 0.58 psig (-4.0 kPa to 4.0 kPa gauge) From -0.97 psig to 0.97 psig (-6.67 kPa to 6.67 kPa gauge) From 0 psig to 2.5 psig ...