Digital Manometer, Maximum Pressure 0.5 psi, Minimum Pressure 0 psi, Accuracy +/-0.3 Percent of Full Scale, Process Connection Size 1/8 in, Process Connection Type Hose Barb, Batteries Included Yes, Digital Display Features 4 Digit Backlit LCD, NIST Traceable Certificate No, Series HD755, Wireless Connectivity USB, Application Air; Non-Corrosive Gases; Non-Ionized Gas, Auto Power Off Yes, Batteries Required Yes, Battery Type 9V, Calibration Certificate Included No, Data Hold Yes The Extech(R) by FLIR differential pressure manometer offers 11 selectable units of measure, can serve as a low range/high resolution gauge, or provide differential pressure from 0" to 13.85" H2O (inches of water). Max./min. recording and relative time stamp are useful features, as are data hold and auto power off.
eBay