N0310 Handheld Digital Manometer 4 in wc

N0310 Handheld Digital Manometer Maximum Pressure 4 in wc Minimum Pressure 0 in wc Pressure Accuracy +/-0.5 Percent Process Connection Size 1/8 in 3/16 in Process Connection Type Hose Barb Includes Batteries Batteries Included Digital Display Features 4 Digit LCD NIST Traceable Certificate No Series 475 Pressure Units in wc psig Air Velocity Accuracy +/-0.5 Percent Full Scale from 60 to 78 Degrees F +/-1.5 Percent Full Scale from 32 to 60 Degrees F and 78 to 104 Degrees F