Digital Hydronic Manometer, Includes (2) 6.7 ft x 1/4 in Hoses with Shut-Off Valves, (2) B&G Readout Probes, (2) P/T Gauge Adapter Probes, Hard Carrying Case, Power Cord, Maximum Gauge Pressure 300 psi, Measuring Units bar, ft wc, in wc, in Hg, kPa, mm wc, mm Hg, psi, Minimum Gauge Pressure 300 psi, Pressure Accuracy +/-1 Percent of Full Scale, Pressure Resolution 0.001 psi, Number of Records Stored 4,000, Maximum Differential Pressure Measured 300 psi