Eri is my best friend.

Satomi is my best friend.

I measured the wind speed using an anemometer.

This calorimeter is used to measure the heat capacity of a substance.

I measure my blood pressure every day with a sphygmomanometer.

You can use a spectrometer to examine the composition of a substance.

I measured the voltage using a voltmeter.

He came up with a desperate measure to cover up his own failure.

When I looked at the hygrometer, I realized that the humidity in the room was too high.

My pedometer is aiming for 10,000 steps a day.