Description
The aneroid is intended to demonstrate principle of aneroid’s functioning. It
is also intended to measure atmosphere pressure in the (720..780) mm of mercury
in various practical works.
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Precision of measurement, ±3 millimeters of mercury at the (730..770) mm range
and ±5 millimeters of mercury at the other ranges.
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The barometer is mounted inside a plastic box of 135 mm diameter. The device is
protected by flat glass plate at the front side. The case has a hook to hang the device at.
The device is based on two connected
aneroid boxes lacking the air. The boxes are stretched by flat steel sping. The
boxes get squeezed or stretched if theatmosphere pressure changes.
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