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

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

He repelled the enemy using the empty fort strategy.

He passed the exam using a crafty trick.

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

We measure power using a wattmeter.

I measured the current using an ammeter.

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

We installed a new flowmeter in the factory.

We need to devise a new plan.