Dwyer Instruments Digital manometer, range -20 to 20″ w.c. 476A-0

Digital Manometer, Maximum Pressure 20 in wc, Minimum Pressure -20 in wc, Accuracy +/-1.5 Percent of Full Scale, Process Connection Size 3/16 in, 1/4 in, Process Connection Type Hose Barb, Batteries Included Yes, Digital Display Features 4 Digit LCD, NIST Traceable Certificate No, Series 476A, Application Air; Compatible Gases, Auto Power Off Yes, Batteries Required Yes, Battery Type 9V, Calibration Certificate Included No, Display Units bar, in Hg, in wc, kPa, mbar, mm Hg, mm wc, psi