What are hand holding temperature measuring instruments? Which is better?

3 answer

Are there any instruments that measure body temperature and measure the temperature of the machine?

3 answer

What are the instruments for measuring temperature? What are the principles?

3 answer

How to measure indoor temperature accurately and quickly? What instruments and instruments do you use? It's better to have cheaper instruments

3 answer

How to measure temperature? What are the instruments? What are the methods?

3 answer