Traceable Precision Dial Barometer’s Triple scales provide a sensitive measure of atmospheric pressure from 954 to 1073 millibars (28.1-31.7 inches mercury 715 to 805 millimeters of mercury).
Resolution of 0.5 mbar, 0.05 InHg, or 0.5 mmHg with an accuracy of ±0.5%. NIST Traceable for accuracy. To assure accuracy an individually serial-numbered Traceable Certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA. Rugged, corrosion-proof nickel-chrome housing. Adjustable pointer may be set to indicate changes. Complete with altitude adjustment screw (use at locations as high as 1000 meters), notched desk stand, and wall mount. Size is 4-1/8” diameter by 1-½” deep. Weight is 1 Lb.