I measured the current using an ammeter.

There are many 'keiri' (an alternative spelling for 'fu', a kind of bird) living in this lake.

He repelled the enemy using the empty fort strategy.

We installed a new flowmeter in the factory.

The altimeter on my airplane broke.

I measured yesterday's rainfall using a pluviometer.

He passed the exam using a crafty trick.

I use a heart rate monitor during my daily exercise.

I use a pulse rate monitor to check my heart rate every day.

We have made a new plan.