* Easy to read: Features large, clear numbers and markings.
* Durable: Made of materials that can withstand accidental bumps and drops common in a classroom environment.
* Simple to use: Requires minimal setup or maintenance.
* Often mounted: May have a bracket or stand for easy mounting on a wall.
* Relatively inexpensive: Compared to more specialized thermometers.
While the basic principle of measuring temperature is the same as any other thermometer (usually using liquid expansion or a digital sensor), its design prioritizes practicality and safety for a classroom environment.