The difference between barometer and compass

1, Function: Barometer is a weather forecasting instrument, which can measure and record the change of atmospheric pressure and predict sunny and rainy weather. Compass is a tool to determine the direction.

2. Application field: Barometer is a precise instrument, which can provide accurate weather forecast information and help people to arrange their daily life and travel plans. Compasses help people determine their position and direction. Compass plays an important role in navigation, exploration, field survival and other occasions.