Traceable® Precision Barometer's triple scales provide a sensitive measure of atmospheric pressure from 954 to 1073 millibars, 28.1 to 31.7 inches of mercury, and 715 to 805 millimeters of mercury with a resolution of 0.5 mbar, 0.05 in Hg, and 0.5mm Hg. Accuracy is ±0.5% of reading. Certificate with serial number indicates traceability to standards provided by NIST. Housed in a rugged corrosion-proof, nickel-chrome case. Adjustable pointer may be set to indicate changes. Comes with notched desk stand, and wall mount. Size is 4-1/2 inches diameter by 1-1/2 inches
