K4722 Digital Manometer 0 in wc to 40 in wc

K4722 Handheld Digital Manometer Maximum Pressure 40 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 Yes Digital Display Features 4 Digit LED NIST Traceable Certificate No Series 477AV Maximum Air Velocity 25 330 fpm Pressure Units in wc 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