K4722 Digital Manometer 0 psi to 20 psi

K4722 Handheld Digital Manometer Maximum Pressure 20 psi Minimum Pressure 0 psi 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 94 220 fpm Pressure Units psi 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