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 The DWYER(R) digital manometer tests air or gas pressure in HVAC systems, laboratory testing, field calibration, and medical respiratory support equipment. Measures positive and negative pressures. (Does not measure differential air pressure.) Fits 3/16 #34; or 1/4 #34; I.D. tubing. 4-digit LCD features 1-button Auto-Zero and Auto-Off. DWYER 476A-0 Grainger Part #:1LZN6 Mohon tanyakan stok sebelum order