I will test whether you understand this problem or not.

I use a pedometer every day to record the distance I walk.

I wonder where my sphygmomanometer is?

He measured muscle activity using an electromyograph.

The doctor used an electrocardiograph to check the condition of my heart.

The tachometer of my car has broken.

I check my step count every day with a pedometer.

Let's use a radiation dosimeter to measure the radiation levels in this area.

He said, 'See Naples and die,' and went on a trip to Italy.

I was surprised by his shabby clothes.