Oakton WD-03316-70 Aneroid Barometer. The Oakton 03316-70 aneroid barometer has a barometric pressure range readout of 930 to 1070 mbar, and 27.5 to 31.6 inches Hg. Oakton barometers are used to measure atmospheric pressure and temperature in indoor applications. This barometer has a built-in, bi-metallic element for temperature compensation for the aneroid capsule for [...]