Special Features:

Three scale ranges 27.75 to 31.25 in hg 70.5 940 to 1057 mbar, barometer with thermometer/hygrometer scales, 152 mm 6" dial, temperture range-negative 30 to 50 degree celsius, humdity range 0 to 100 percent (rh), stainless steel and brass construction, black lines and numbers, unit is recalibrateagle, item weight 476 g, individually packaged

Properties:

A barometer consisting of a pressure-sensitive element which contracts or expands in proportion to atmospheric pressure, connected through a linkage to a pointer. Its dial is graduated in units of pressure measurement (pounds per square inch, inches of mercury, millibars, etc.) to indicate atmospheric pressure only.