Solution:Chronometer, portable time keeping device of great accuracy, particularly one used for determining longitude at sea.An anemometer is a scientific instrument used to measure wind speed and sometimes wind direction. It's commonly used in meteorology, aviation, marine operations, and environmental studies.
A durometer is an instrument used to measure the hardness of materials, typically rubber, plastic, and other polymers. The measurement it provides is called durometer hardness, and it helps determine how resistant a material is to indentation.