We need to devise a new plan.

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

I measure my blood pressure every day with a sphygmomanometer.

I measured the voltage using a voltmeter.

The altimeter on my airplane broke.

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

I use a heart rate monitor during my daily exercise.

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

I measured yesterday's rainfall using a pluviometer.

The tachometer of my car has broken.