Barometric pressure range is 954 to 1073 millibars (mbar), 28.1 to 31.7 inches of mercury (inHg) and 715 to 805 millimeters of mercury (mmHg) Resolution is 0.5 mbar, 0.05 inHg and 0.5 mmHg Accuracy is ±0.5% of reading Dial barometer measures 4 1/2” diameter by 1…